EXT-DVIKVM-LAN - KVM over IP Gefen - Free user manual and instructions
Find the device manual for free EXT-DVIKVM-LAN Gefen in PDF.
| Product Type | KVM over IP Extender |
| Model | EXT-DVIKVM-LAN |
| Brand | Gefen |
| Video Support | DVI, HDMI (with adapter), VGA (with sender/receiver combo), resolutions up to 1080p Full HD and 1920 x 1200 (WUXGA) |
| Maximum Pixel Clock | 165 MHz |
| Audio Support | Bi-directional stereo analog audio (Line In/Out on Sender, Line Out/Mic In on Receiver) |
| USB Support | USB 2.0 up to 480 Mbps, backward compatible with USB 1.1 |
| RS-232 Support | Pass-through for remote control of RS-232 devices |
| IR Support | IR pass-through with emitter (Sender) and extender (Receiver) |
| Network Interface | Gigabit Ethernet; Receiver has built-in 3-port Gigabit switch |
| Number of Senders/Receivers | Up to 256 Senders and up to 65,000 Receivers (depending on network bandwidth and switch ports) |
| Video Modes | Unicast (point-to-point) and Multicast (point-to-multipoint) |
| Control | Built-in Web interface for each Sender and Receiver; Mode button (Sender) for video/graphic optimization; Switch button (Receiver) for channel selection |
| EDID Management | Internal DVI EDID or downstream EDID from connected display |
| Power Input | 5V DC via locking connector (power supply included) |
| Power Consumption | 10W max per unit |
| Dimensions (W x H x D) | 8.4" x 1.7" x 4.5" (213 mm x 43 mm x 113 mm) per unit |
| Unit Weight | 2 lbs (0.9 kg) each |
| Enclosure | 1U half-rack width, rack-mountable with EXT-RACK-1U; surface mounting brackets included |
| Safety | Follow all instructions; do not use near water; clean with dry cloth; unplug during storms; refer servicing to qualified personnel |
| Maintenance | Clean only with dry cloth; field-upgradable firmware via web interface |
| Spare Parts / Repairability | Locking power supply connectors; contact dealer or Gefen for missing items; warranty covers defects within 2 years |
| Warranty | 2 years (from shipment date) for defects in material/workmanship; excludes copper cables (30 days) |
Frequently Asked Questions - EXT-DVIKVM-LAN Gefen
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USER MANUAL EXT-DVIKVM-LAN Gefen
Important Safety Instructions
GENERAL SAFETY INFORMATION
- Read these instructions.
- Keep these instructions.
- Heed all warnings.
- Follow all instructions.
- Do not use this product near water.
- Clean only with a dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's
- Do not install or place this product near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
- Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- To reduce the risk of electric shock and/or damage to this product, never handle or touch this unit or power cord if your hands are wet or damp. Do not expose this product to rain or moisture.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
- Batteries that may be included with this product and/or accessories should never be exposed to open flame or excessive heat. Always dispose of used batteries according to the instructions.
DVI KVM over IP
Warranty Information
Gefen warrants the equipment it manufactures to be free from defects in material and workmanship.
If equipment fails because of such defects and Cefen is notified within two (2) years from the date of shipment, Cefen will, at its option, repair or replace the equipment, provided that the equipment has not been subjected to mechanical, electrical, or other abuse or modifications. Equipment that fails under conditions other than those covered will be repaired at the current price of parts and labor in effect at the time of repair. Such repairs are warranted for ninety (90) days from the day of reshipment to the Buyer.
This warranty is in lieu of all other warranties expressed or implied, including without limitation, any implied warranty or merchantability or fitness for any particular purpose, all of which are expressly disclaimed.
-
Proof of sale may be required in order to claim warranty.
-
Customers outside the US are responsible for shipping charges to and from Gefen.
-
Copper cables are limited to a 30 day warranty and cables must be in their original condition.
The information in this manual has been carefully checked and is believed to be accurate. However, Cefen assumes no responsibility for any inaccuracies that may be contained in this manual. In no event will Gefen be liable for direct, indirect, special, incidental, or consequential damages resulting from any defect or omission in this manual, even if advised of the possibility of such damages. The technical information contained herein regarding the features and specifications is subject to change without notice.
For the latest warranty coverage information, refer to the Warranty and Return Policy under the Support section of the Gefen Web site at www.gefen.com.
PRODUCT REGISTRATION
Please register your product online by visiting the Register Product page under the Support section of the Gefen Web site.
DVI KVM over IP
Contacting Gefen Technical Support
Gefen, LLC
c/o Customer Service
20600 Nordhoff St.
Chatsworth, CA 91311
Telephone: (818) 772-9100
(800) 545-6900
Fax: (818) 772-9120
Email: support@gefen.com
Visit us on the Web: www.gefen.com
Technical Support Hours: 8:00 AM to 5:00 PM Monday - Friday, Pacific Time
DVI KVM over IP is a trademark of Gefen, LLC.
Important Notice
Gefen, LLC reserves the right to make changes in the hardware, packaging, and any
accompanying documentation without prior written notice
DVI KVM over IP
Operating Notes
- The DVI KVM over IP is compatible with the HD KVM over IP and the VGA KVM over IP, which allows these products to be connected within a single system. Note that HDCP content cannot be used when using these products in tandem.
• CAT-5 or CAT-6 cables should not exceed 330 feet (100 meters) between the Sender / Receiver unit and the network. - By default, all Sender and Receiver units are set to channel 0.
• This product does not support HDCP or dual link resolutions. - By default, the source device will use the EDID from the display (or other sink device) which is connected the Receiver unit. See EDID Management for more information.
- If terminating network cables in the field, please adhere to the TIA/EIA568B specification. See the Network Cable Diagram for details.

IMPORTANT: The use of a Gigabit switch with 8K "jumbo frame" capability is required when connecting the DVI KVM over IP to a network.
The following table (continued on next page) details the IP and IP port use of the DVI KVM over IP. Each "X" in the table, below, represents that no specified IP port is required.
| Type | Sender ➔ Receiver | Description | |
| Link Manager | TCP | 6/51 ➔ X | msg_channel, ast_heartbeat |
| UDP / MC | X ➔ 3246 | ast_heartbeat multicast portUse the "multicast stream" multicast IP | |
| UDP / MC | 3333 ➔ 33343334 ➔ 3333 | "Name Service"Use 225.1.0.0 multicast IP3333 listen for query; 3334 for reply | |
| Video over IP | Type | Sender ➔ Receiver | Description |
| UDP / MC | 3344 ➔ X | control channel | |
| TCP | 3344 ➔ X | control channel | |
| TCP | 3240 ➔ X | TCP unicast mode only |
DVI KVM over IP
Operating Notes
| I2S over IP | Type | Sender ◆ ◆ Receiver | Description |
| TCP | 1234 ◆ X | control channel | |
| UDP / MC | X ◆ 1235 | data streaming for both unicast and multicast mode | |
| USB over IP | Type | Sender ◆ ◆ Receiver | Description |
| TCP | 6000 ◆ X | USB over IP data | |
| TCP | 6755 ◆ X | vhub_heartbeatUSB over IP-specific | |
| Serial over IP | Type | Sender ◆ ◆ Receiver | Description |
| TCP | X ◆ 6752 | type 1 | |
| TCP | 6752 ◆ X | type 2 | |
| IR over IP | Type | Sender ◆ ◆ Receiver | Description |
| TCP | 18771 ◆ X | upstream IR over IP data | |
| UDP / MC | X ◆ 18770 | downstream IR over IP data | |
| TCP | 18770 ◆ X | IR over IP data(TCP unicast mode only) |
DVI KVM over IP
Features and Packing List
Features
• Extends DVI, USB, RS-232, bi-directional stereo analog audio, and IR over IP, using a Gigabit Local Area Network
• Any combination of HDMI, DVI, and VGA Senders and Receivers can be used
• Supports resolutions up to 1080p Full HD and 1920 x 1200 (WUXGA)
• Built-in Web interface for each Sender and Receiver unit provides intuitive control of all features
• Supports 256 Senders and a total of just over 65,000 Receiver units, depending on the network bandwidth and number of ports of your network switch
• USB 2.0 data rates up to 480 Mbps and backward-compatibility with USB 1.1
• Three-port Gigabit Ethernet switch built into the Receiver unit
- Switch between all available Sender units using the built-in Web interface
- Mode button on Sender for sharpness or motion optimization of image
- Field-upgradable firmware via web server interface
- Locking power supply connectors
- 1U tall, half-rack width enclosures are rack-mountable using EXT-RACK-1U
• Surface mounting brackets included

1080P
Packing List
The DVI KVM over IP ships with the items listed below. If any of these items are not present in the box when you first open it, immediately contact your dealer or Gefen.
• 1 x DVI KVM over IP (Sender unit)
• 1 x DVI KVM over IP (Receiver unit)
- 1 x 6 ft. DVI cable (M-M)
- 4 x 6 ft. USB cable (A-B)
- 1 x 6 ft. USB cable (A-B)
2. 通过:通过网络投票
DVI KVM over IP
Table of Contents
01 Getting Started
Sender Unit Layout....2
Front....2 Deck....3
Back
River Unit Layout....4 Front 1
Fruit Book
llation 6
Using a Direct Connection 6
Local Area Network (LAN) Connection 8
Supplementary Connections 10
Sample Wiring Diagram 11
02 Operating the
DVI KVM over IP
Basic Operation....14
Displaying the IP Address 14
Setting the IP Mode....17
Setting the Video Channel 18
Enabling or Disabling Video over IP....19
Unicast and Multicast Modes 20
Configuring Unicast Mode 20
Switching between Sender units in Unicast mode 22
Configuring Multicast Mode....25
Using RS-232 27
RS-232 under Unicast Mode 29
RS-232 under Multicast Mode....29
USB Control 30
USB under Unicast Mode....30
USB under Multicast Mode 32
EDID Management....36
Using the Internal DVI EDID 36
Using the Downstream EDID 37
Audio Connections 38
Using HDMI Sources....40
Setting the Video Mode 41
Performing a Factory Reset 42
Sender Unit 42
Receiver Unit 42
DVI KVM over IP
Table of Contents
03 Appendix
Upgrading the Firmware 45
Developer Notes......49
Rack Tray Installation 51
Specifications 52
DVI KVM
Over IP
01 Getting Started
Sender Unit Layout....2
Front 2
Back 3
Receiver Unit Layout....4
Front 4
Back 5
Installation....6
Using a Direct Connection 6
Local Area Network (LAN) Connection 8
Supplementary Connections....10
Sample Wiring Diagram....11
Getting Started
Sender Unit Layout

ID Name Description
| 1 Power This LED glows steady blue when the unit is connected to an AC outlet and the unit is powered ON. | |
| 2 Link This LED glows steady green when the | Sender unit and Receiver unit are connected and passing video. |
| 3 Mode Press this button to switch between Graphic Mode and Video Mode. Graphic Mode optimizes still images. Video Mode is best used for optimizing video. See Setting the Video Mode for details. | |
| 4 Reset Press this button to reset the unit. | See Performing a Factory Reset for instructions on restoring the Sender unit to factory-default settings. |
Getting Started
Sender Unit Layout
Back

ID Name Description
| 1 DVI In Connect the included DVI cable from this connector to the DVI source. | |
| 2 RS-232 Connect the included RS-232 cable from this port to an RS-232 device.See Using RS-232 for details. | |
| 4 Line In Connect a 3.5mm mini-stereo cable from the Line Out jack on the multimedia PC to this jack. | |
| 5 USB Connect a USB cable from the computer to this USB port. | |
| 4 Line Out Connect a 3.5mm mini-stereo cable from this jack to the Line In jack of a multimedia PC. | |
| 6 LAN Connects the Sonder unit to the network (or directly to the Receiver unit) using an Ethernet cable. | |
| 7 IR Out Connect an IR Blaster cable (Gofon part no.EXT-2/REMIT) from this jack to the Hi-Def source to control the source from the viewing location. |
A1100.0000
Getting Started
Receiver Unit Layout
Front

ID Name Description
| 1 Power This LED glows steady blue when the unit is connected to an AC outlet and the unit is powered ON. | |
| 2 Link This LED glows steady green when the Sender and Receiver units are connected using Ethernet cable and successfully passing video. | |
| 3 IR This IR sensor receives signals from the source IR remote control. | |
| 4 Reset Press this button to reset the unit. See Performing a Factory Reset for instructions on restoring the Receiver unit to factory-default settings. | |
| 5 Switch Switches the video channel when using multiple Receiver units on a network. See Setting the Video Channel for details. | |
| 6 Mic In Connect a microphone to this jack. If the microphone has a 1/4" jack, use a 1/4"-to-3.5mm adapter to connect the microphone to the Receiver unit. |
7 Line Out Connect a 3.5mm mini-stereo cable from this lack to a pair of powered speakers.
Getting Started
Receiver Unit Layout
Back

ID Name Description
| 1 DVI Out Connect a DVI cable from this connector to the DVI display. | ||
| 2 RS-232 Connect the included RS-232 cable from this port to an RS-232 device.See Using RS-232 for details. | ||
| 3 LAN Connects the Receiver unit to the network (or directly to the Sender unit) using an Ethernet cable. See the next page for installation instructions. | ||
| 4 | IR Ext | Connect an IR Extender cable (Gefen part no. EXT-RMT-EXTIRC or EXT-RMT-EXTIRN) to this port. |
| 4 5V DC Connect the included 5V DC locking power supply to this power receptacle. | ||
Getting Started
Installation
Page Title
The DVI KVM over IP Sender and Receiver units can either be connected over a Local Area Network (LAN) or they can be directly connected to one another.
Using a Direct Connection
By default, the DVI KVM over IP is shipped in Auto IP mode. In Auto IP mode, each Sender and Receiver unit assigns itself a unique IP address within the range of 169,254.x.x. Auto IP mode is only used when Sender and Receiver units are directly connected to one another. When connecting to a network, the DVI KVM over IP must be set to DHCP mode or Static IP mode. See Setting the IP Mode for more information.
- Connect a CAT-5e (or better) cable from the LAN port on the Sender unit to the LAN 1 port on the Receiver unit.
Figure 1.1 - Directly connecting the Sender and Receiver unit

Although any LAN port on the Receiver unit can be used, using the LAN 1 port makes it easy to identify which Ethernet cable is used to connect the Sender and Receiver unit. LAN 2 and LAN 3 ports can then be used for connecting additional devices or when daisy-chaining Receiver units.
Getting Started
Installation

NOTE: When using HDMI sources with an HDMI-to-DVI adapter, the HDMI audio will be passed through to the DVI Out connector on the Receiver unit.
- See Supplementary Connections for instruction on connecting USB, IR, RS-232, and audio cables.
- Connect the included 5V DC locking power supplies to the Sender unit and Receiver unit. Do not overtighten the locking connectors. Connect the included AC power cords from the power supplies to available electrical outlets.
- After a few moments, the DVI source will be displayed.
Getting Started
Installation
Local Area Network (LAN) Connection

IMPORTANT: The use of a Gigabit switch with 8K "jumbo frame" capability is required when connecting the DVI KVM over IP to a network.
In order to connect the DWI KVM over IP to a Local Area Network (LAN), both the Sender and Receiver unit must first be set to DHCP mode or static IP mode. DHCP mode will use the DHCP server to automatically assign an IP address for each Sender and Receiver unit that is connected to the network. Static IP mode will allow the IP address for each Sender and Receiver unit to be configured manually. Contact your network administrator if necessary.
- Follow the connection steps under Using a Direct Connection.
- Connect an Ethernet cable from one of the LAN ports on the Receiver unit to the network.
If DHCP mode will be used, connect the Receiver unit to a DHCP server.

- Access the Web interface for the Sender unit by entering its IP address in the address bar of the Web browser. If the IP address is not known, one Displaying the IP Address
Getting Started
Installation
- Disconnect the cable between the Sender and Receiver unit.
- Connect the cable from the Sender unit to the network.

Note that any LAN port on the Receiver unit can be used to connect to the LAN.
Getting Started
Installation
Supplementary Connections
USB (see USB Control for more information on using USB devices)
- Connect a USB cable from the computer to the USB port on the Sender unit.
- Connect up to two USB devices to the Receiver unit.
▶ IR
3. Connect a Gefen IR Emitter (Gefen part no. EXT-2IREMIT) to the Sender unit and attach it to the IR sensor on the device to be controlled.
4. Connect an IR Extender (Gefen part no. EXT-RMT-EXTIRC or EXT-RMT-EXTIRN) to the Receiver unit if the IR sensor will not be within line-of-site for proper IR control.
▶ Audio (see Audio Connections for more information on using audio devices)
7. Connect a 3.5mm mini-stereo cable from the Line In jack on the Sender unit to an audio source.
8. Connect a pair of powered speakers (or another audio output device) to the Line Out jack on the Receiver unit.
9. Connect a microphone to the Mic In jack on the Receiver unit.
10. Connect a pair of powered speakers (or another audio output device) to the Line Out jack on the Sender unit.
RS-232
- Connect the included RS-232 cable from the PC or automation system to the RS-232 port on the Sender unit.
- Connect an RS-232 cable from the Receiver unit to the RS-232 device to be controlled.
Getting Started
Installation
Sample Wiring Diagram

flowchart
graph TD
A["Geifen"] --> B["CPU"]
B --> C["USB"]
C --> D["Microcontroller"]
D --> E["Microcontroller"]
E --> F["Microcontroller"]
F --> G["Microcontroller"]
G --> H["Microcontroller"]
H --> I["Microcontroller"]
I --> J["Microcontroller"]
J --> K["Microcontroller"]
K --> L["Microcontroller"]
L --> M["Microcontroller"]
M --> N["Microcontroller"]
N --> O["Microcontroller"]
O --> P["Microcontroller"]
P --> Q["Microcontroller"]
Q --> R["Microcontroller"]
R --> S["Microcontroller"]
S --> T["Microcontroller"]
T --> U["Microcontroller"]
U --> V["Microcontroller"]
V --> W["Microcontroller"]
W --> X["Microcontroller"]
X --> Y["Microcontroller"]
Y --> Z["Microcontroller"]
Z --> AA["Microcontroller"]
AA --> AB["Microcontroller"]
AB --> AC["Microcontroller"]
AC --> AD["Microcontroller"]
AD --> AE["Microcontroller"]
AE --> AF["Microcontroller"]
AF --> AG["Microcontroller"]
AG --> AH["Microcontroller"]
AH --> AI["Microcontroller"]
AI --> AJ["Microcontroller"]
AJ --> AK["Microcontroller"]
AK --> AL["Microcontroller"]
AL --> AM["Microcontroller"]
AM --> AN["Microcontroller"]
DVI KVM
Over IP
02 Operating the DVI KVM over IP
Basic Operation....14
Displaying the IP Address....14
Setting the IP Mode....17
Setting the Video Channel 18
Enabling or Disabling Video over IP....19
Unicast and Multicast Modes 20
Configuring Unicast Mode 20
Switching between Sender units in Unicast mode 22
Configuring Multicast Mode 25
Using RS-232 27
RS-232 under Unicast Mode 29
RS-232 under Multicast Mode 29
USB Control 30
USB under Unicast Mode 30
USB under Multicast Mode 32
EDID Management....36
Using the Internal DVI EDID 36
Using the Downstream EDID 27
Operating the DVI KVM over IP
Basic Operation
Displaying the IP Address
If the IP address(es) of a Sender and/or Receiver unit are not known, then use the following procedure to display the IP address of any Sender or Receiver unit on the network.
- Press and release the Switch button on the front panel of the Receiver unit. The current video channel will be displayed in the top-left corner of the screen.


natural_image
Night cityscape with illuminated skyscrapers reflected in water, no visible text or symbolsIn the example, above, the current video channel is set to 0.
- Change the video channel number by pressing and releasing the Switch button to advance to the next video channel. Video channel number was from 0 to 255
Operating the DVI KVM over IP
Basic Operation

natural_image
Night cityscape with illuminated skyscrapers reflected in water, no visible text or symbols- After a few moments, the screen will go blank and the IP address of both the Sender and Receiver unit will be displayed in the lower-right corner of the screen.

Operating the DVI KVM over IP
Basic Operation
- To upgrade the firmware to a limited number of channels, refer to Upgrading the Firmware for more information.
Operating the DVI KVM over IP
Basic Operation
Setting the IP Mode
The DVI KVM over IP can be set to Auto IP, DHCP, or Static IP mode. By default, the DVI KVM over IP is shipped in Auto IP mode.
- Access the Web interface by entering the IP address of the desired Sender or Receiver unit. Refer to Displaying the IP Address if necessary.
- Click the Network tab. The current IP Mode will be highlighted within the IP Setup window group. In the illustration below, Auto IP button is highlighted.

- Click the desired IP Mode button.
- Click the Save button on the right-hand side of IP Setup window group.
- Click the Reboot button near the bottom of the page.
- Access the Web interface for the Receiver unit by entering its IP address.
- Repeat steps 2 - 5 for each Sender and Receiver to be changed.
Operating the DVI KVM over IP
Basic Operation
Setting the Video Channel
In order a Sender and Receiver unit to communicate with one another, they must both be set to the same channel. This is similar to changing the channel on a cable or satellite box in order to view a different program. By default, all Sender and Receiver units are set to channel 0.

NOTE: When connecting Sender and Receiver units, it is highly recommend that the video channel for each unit is set to a channel other than 0. This will allow for the addition of future Sender and/or Receiver units without causing video channel conflicts.
- Access the Web interface by entering the IP address of the desired Sender or Receiver unit. Refer to Displaying the IP Address if necessary.
- Click the Network tab. The current channel is displayed within the Network Mode window group.
- Click the Channel Selection drop-down list and select the desired channel. Channel numbers can range from 0 to 255.

-
Click the Save button on the right-hand side of Network Mode window group.
-
The following message will be displayed, at the top of the page, indicating that the casting mode has been applied to the Sender or Receiver unit.
Operating the DVI KVM over IP
Basic Operation
Enabling or Disabling Video over IP
This feature is useful for masking video. Disabling the video on the Sender unit will mask the video on all connected Receiver units (multicast mode only). To mask the video on selected Receiver units, disable the video on the desired Receiver units.
- Access the Web interface by entering the IP address of the desired Sender or Receiver unit. Refer to Displaying the IP Address if necessary.
- Click the Functions tab.
- Check the Enable Video over IP box to enable video. Uncheck this box to disable video.

- Click the Save button within the Video over IP group.
- Click the Reboot button at the bottom of the page.
- Repeat steps 1 through 5 for each Sender and/or Receiver unit in the system.
Operating the DVI KVM over IP
Unicast and Multicast Modes
Configuring Unicast Mode
The term unicast is used to describe a configuration where information is sent from one point to another point. It is possible to have multiple Sender and Receiver units connected in a system. However, in unicast mode a Sender unit can communicate with only one Receiver unit at a time. In unicast mode, the DVI KVM over IP functions similar to a DVI KVM switcher.

NOTE: The DVI KVM over IP Sender and Receiver units shipped from the factory in unicast mode.
The illustration, below, shows 3 Sender units (S1, S2, and S3) and 2 Receiver units (R1 and R2) on a network, operating in unicast mode. The video channels are notated in blue.
Figure 2.1 - Unicast mode: A Sender unit can communicate with only one Receiver unit at a time.

flowchart
graph TD
A["Block P1"] -->|Input| B["Series Unit"]
C["Block P2"] -->|Input| B
D[" Series Unit S1"] -->|Output| B
E[" Series Unit S2"] -->|Output| B
B -->|Output| F["Output"]
style A fill:#f9f,stroke:#333
style C fill:#f9f,stroke:#333
style D fill:#f9f,stroke:#333
style E fill:#f9f,stroke:#333
- Access the Web interface for each Sender and Receiver unit that will be using unicast mode. In this example, we will start with Receiver unit R1.
A. Ollish, M. Matronelotek
Operating the DVI KVM over IP
Unicast and Multicast Modes
- Click the Unicast button under the Network Mode group. When selected, the Unicast button will be highlighted in blue.

- Click the Save button in the lower-right corner of the Network Mode group.
- The following message will be displayed, at the top of the page, indicating that the casting mode has been applied to the Sender or Receiver unit.
Success: New casting mode applied.
- Click the Reboot button near the bottom portion of the page to apply the changes.
Warning: Reboot for new settings to take effect.
- Repeat steps 1 - 6 in order to configure the Sender unit to unicast mode.

IMPORTANT: When switching between unicast and multicast modes, both Sender and Receiver units need to be configured identically.
Operating the DVI KVM over IP
Unicast and Multicast Modes
Switching between Sender units in Unicast mode
When multiple Sender and Receiver unit are used in unicast mode, the DVI KVM over IP behaves as a switcher. In unicast mode, a Sender unit can communicate with only one Receiver unit at a time.
In the example below, we will switch Receiver unit R1 to receive the DVI source on Sender unit S1.
Figure 2.2 - Unicast mode: Receiver unit R1 is connected to Sender unit S2.

flowchart
graph TD
A["Block P1"] -->|1| B["Segment"]
A -->|2| C["Segment"]
D["Block P2"] -->|2| E["Segment"]
D -->|3| F["Segment"]
G["Block S1"] -->|5| H["Segment"]
G -->|6| I["Segment"]
J["Block S2"] -->|6| K["Segment"]
J -->|7| L["Segment"]
M["Block S3"] -->|8| N["Segment"]
M -->|9| O["Segment"]
- Access the Web interface for Receiver unit R1.
- Click the Network tab and change the video channel. Refer to Setting the Video Channel if necessary.
- Click the Save button.
- The following message will be displayed, at the top of the page, indicating that the casting mode has been applied to the Sender or Receiver unit.
Success: New casting mode applied.
Operating the DVI KVM over IP
Unicast and Multicast Modes
Figure 2.3 - Unicast mode: Receiver unit R1 is now connected to Sender unit S1.

flowchart
graph TD
A["Input"] --> B["R1"]
B --> C["S1"]
C --> D["Output"]
E["Input"] --> F["R2"]
F --> G["S2"]
G --> H["Output"]
I["Input"] --> J["S3"]
J --> K["Output"]
L["Input"] --> M["R3"]
M --> N["S3"]
N --> O["Output"]
P["Input"] --> Q["R4"]
Q --> R["S4"]
R --> S["Output"]
T["Input"] --> U["R5"]
U --> V["S5"]
V --> W["Output"]
Note that each of the Sender units in Figure 2.3 is assigned a unique channel number. However, if we were to change the video channel on Sender unit S1 to channel 1, this would have violated the unicast mode rule: A Sender unit can communicate with only one Receiver unit at a time.
Figure 2.4 - Unicast mode violation: Two Sender units (S1 and S2) using the same video channel.

flowchart
graph TD
A["1"] --> B["R1"]
B --> C["S1"]
C --> D["S2"]
D --> E["2"]
E --> F["R2"]
F --> G["S3"]
G --> H["10K"]
style A fill:#f9f,stroke:#333
style B fill:#ccf,stroke:#333
style C fill:#cfc,stroke:#333
style D fill:#fcc,stroke:#333
style E fill:#cff,stroke:#333
style F fill:#ffc,stroke:#333
style G fill:#cfc,stroke:#333
style H fill:#fcc,stroke:#333
Operating the DVI KVM over IP
Unicast and Multicast Modes
In order to solve the problem, in Figure 2.4, we would need to make sure that each of the Sender units is set to a unique channel number.
When using unicast mode, each of the Sender units must be assigned a unique channel and should never be changed. Use the Receiver unit to switch (channels) between Sender units.
The DVI KVM over IP can be used with up to 256 Sender units to provide switching capability between each Receiver unit. Up to 256 Receiver units are supported. Each Receiver unit can be set to receive video data from any one of 256 Sender units.

NOTE: In unicast mode, if an additional Sender unit is introduced into a system with the same channel as another Sender unit, then the Receiver unit will continue to receive A/V data from the Sender unit which was connected first.
Operating the DVI KVM over IP
Unicast and Multicast Modes
Configuring Multicast Mode
The term multicast is used to describe a configuration where information is sent from one or more points to a set of other points. For example, a single Sender unit can transmit data to multiple Receiver units. In addition, if multiple Sender units are used, each Sender unit can transmit data to any Receiver that is not already receiving data from another Sender unit. In multicast mode, the DVI KVM over IP functions similar to a DVI KVM matrix.
The illustration, below, shows 3 Sender units (S1, S2, and S3) and 2 Receiver units (R1 and R2) on a network, operating in multicast mode. The video channels are shown in blue.
Figure 2.5 - Multicast mode: A Sender unit can communicate with multiple Receiver units.

flowchart
graph TD
A["Input"] --> B["R1"]
B --> C["Output"]
D["Input"] --> E["S1"]
E --> F["Output"]
G["Output"] --> H["R2"]
H --> I["Output"]
J["Input"] --> K["S2"]
K --> L["Output"]
M["Input"] --> N["R3"]
N --> O["Output"]
P["Input"] --> Q["S3"]
Q --> R["Output"]
S["Input"] --> T["R4"]
T --> U["Output"]
V["Input"] --> W["R5"]
W --> X["Output"]
- Access the Web interface for each Sender and Receiver unit that will be using multicast mode. In this example, we will start with Receiver S2.
- Click the Network tab.
Operating the DVI KVM over IP
Unicast and Multicast Modes
- Click the Multicast button under the Network Mode group. When selected, the Multicast button will be highlighted in blue.

- Click the Save button in the lower-right corner of the Network Mode group.
The following message will be displayed, at the top of the page, indicating that the casting mode has been applied to the Sender or Receiver unit.
Success: New casting mode applied.
If a display is connected to the Receiver unit, then the message "Starting USB" will be displayed. For more information on using USB under multicast mode, refer to USB under Multicast Mode.
- Click the Reboot button near the bottom portion of the page to apply the changes.
Warning: Reboot for new settings to take effect.
- Repeat the steps above in order to configure the Sender unit to multicast mode.

IMPORTANT: When changing units between unicast and multicast modes, both the Sender and Receiver units need to be configured identically.
Operating the DVI KVM over IP
Using RS-232
The DVI KVM over IP supports RS-232 pass-through, allowing the control of remote RS-232 devices. The Sender and Receiver unit which are being used to pass-through the RS-232 data must be set to the same baud rate as the RS-232 host and client.
In the example below, the Gefen 4x1 DVI Switcher w/ Audio Decoding (Gefen part no. GTV-AUDDEC-N) has been connected to Receiver unit A. This is the RS-232 client. We want to control this product from Sender unit S3, using a laptop PC (RS-232 host). The channel numbers are listed in blue.
Figure 2.6 - Basic RS-232 connection

flowchart
graph TD
A["IP地址 120000000000000"] --> B["R1"]
B --> C["Switch 12"]
C --> D["R2"]
D --> E["Switch 2"]
E --> F["S3"]
F --> G["Switch 3"]
G --> H["S4"]
H --> I["Switch 4"]
I --> J["S5"]
J --> K["Switch 5"]
K --> L["Switch 6"]
L --> M["Switch 7"]
M --> N["Switch 8"]
N --> O["Switch 9"]
O --> P["Switch 12"]
P --> Q["Switch 12"]
Q --> R["Laptop"]
As shown in the User Manual for the Gefen 4x1 DVI Switcher w/ Audio Decoding, the following settings are used:
Table 2.1 - RS-232 settings for the Gefen 4x1 DVI Switcher w/ Audio Decoding
| Description Setting | |
| Baud rate | 19200 |
| Data bits | 8 |
| Parity | None |
| Stop bits | 1 |
| Hardware flow control | None |
Operating the DVI KVM over IP
Using RS-232
- Access the Web interface for the Sender unit.
- Click the Functions tab.
- Locate the Serial over IP group and change the RS-232 settings to match the settings of the RS-232 device that is being used. In this case, we need to use the settings from Table 2.1

- Make sure that the Enable Serial over IP box is checked.

NOTE: If Enable Serial over IP is not checked, then RS-232 pass-through will be disabled.
- Click the Save button in the lower-right corner of the Serial over IP group.
- The following message will be displayed, at the top of the page, indicating that the new Serial over IP options have been applied.
Success: New Serial over IP options applied.
- Click the Reboot button near the bottom portion of the page to apply the changes.
Operating the DVI KVM over IP
Using RS-232
RS-232 under Unicast Mode
In unicast mode, a Sender unit will be able to communicate with only one Receiver unit at a time.
Figure 2.7 - In unicast mode, the host can talk to only one RS-232 device at a time.

flowchart
graph TD
A["Router R1"] -->|Data Flow| B["Switch S1"]
B -->|Data Flow| C["Switch S2"]
C -->|Data Flow| D["Switch S3"]
D -->|Data Flow| E["Laptop"]
F["Router R2"] -->|Data Flow| G["Switch S4"]
G -->|Data Flow| H["Switch S5"]
H -->|Data Flow| I["Switch S6"]
I -->|Data Flow| J["Switch S7"]
J -->|Data Flow| K["Switch S8"]
K -->|Data Flow| L["Switch S9"]
L -->|Data Flow| M["Switch S10"]
M -->|Data Flow| N["Switch S11"]
N -->|Data Flow| O["Switch S12"]
O -->|Data Flow| P["Switch S13"]
P -->|Data Flow| Q["Switch S14"]
Q -->|Data Flow| R["Switch S15"]
R -->|Data Flow| S["Switch S16"]
S -->|Data Flow| T["Switch S17"]
T -->|Data Flow| U["Switch S18"]
U -->|Data Flow| V["Switch S19"]
V -->|Data Flow| W["Switch S20"]
W -->|Data Flow| X["Switch S21"]
X -->|Data Flow| Y["Switch S22"]
Y -->|Data Flow| Z["Switch S23"]
RS-232 under Multicast Mode
In multicast mode, a Sender unit can communicate with multiple Receiver units simultaneously.
Figure 2.8 - In multicast mode, the host can talk to multiple RS-232 devices.

flowchart
graph TD
A["Router R1"] -->|Data Flow| B["R2"]
B -->|Data Flow| C["S2"]
C -->|Data Flow| D["Laptop"]
D -->|Data Flow| A
style A fill:#f9f,stroke:#333
style B fill:#ccf,stroke:#333
style C fill:#cfc,stroke:#333
style D fill:#fcc,stroke:#333
Operating the DVI KVM over IP
USB Control
USB under Unicast Mode
When connecting USB devices to the DVI KVM over IP, the functionality is similar to that of video and RS-232.

NOTE: By default, the DVI KVM over IP Sender and Receiver units are shipped in unicast mode.
As an example, we will start with our original diagram and connect a computer to Sender unit S2 and a keyboard and mouse device to Receiver unit R2. This will allow us to control the computer from the Receiver unit.
Figure 2.9 - Using USB devices under unicast mode.

flowchart
graph TD
A["Router R1"] -->|DVI Out| B["Switch S2"]
B -->|DVI In| C["Computer"]
D["Router R2"] -->|DVI Out| E["Switch S3"]
E -->|DVI In| F["Computer"]
G["Router R3"] -->|DVI Out| H["Switch S4"]
H -->|DVI In| I["Computer"]
J["Router R4"] -->|DVI Out| K["Switch S5"]
K -->|DVI In| L["Computer"]
M["Router R5"] -->|DVI Out| N["Switch S6"]
N -->|DVI In| O["Computer"]
P["Router R6"] -->|DVI Out| Q["Switch S7"]
Q -->|DVI In| R["Computer"]
S["Router R7"] -->|DVI Out| T["Switch S8"]
T -->|DVI In| U["Computer"]
V["Router R8"] -->|DVI Out| W["Switch S9"]
W -->|DVI In| X["Computer"]
- Make sure the desired Sender and Receiver units are set to unicast mode. Refer to Configuring Unicast Mode If necessary.
A. Associates with the following rules: Ostenbach
Operating the DVI KVM over IP
USB Control
- Locate the USB over IP group and make sure the Enable USB over IP box is checked. This is the default setting.

- In unicast mode, the Operation Mode is automatically set to Active on link and cannot be changed.

-
Make sure that the USB Mouse Mode is set to High Resolution. This is the default setting. Use Compatibility mode only if using additional KVM switchers or other devices within the system that cause the mouse to behave erratically.
-
Click the Save button within the USB over IP group.
-
Click the Reboot button at the bottom of the page.
-
Connect the USB host (e.g. computer) to the USB port on the Sender unit.
-
Connect a USB device (keyboard and/or mouse) to a USB port on the Receiver unit. Up to 4 USB devices can be connected per network in unicast mode.
-
The keyboard and mouse (or other USB device) can now be used from the Receiver unit.

Operating the DVI KVM over IP
USB Control
USB under Multicast Mode
When connecting USB devices to the DVI KVM over IP, the functionality is similar to that of video and RS-232. There are two USB modes available in multicast mode: Active per request mode and Active on link mode.
For an example, we'll begin with the last diagram and connect another keyboard and mouse device to Receiver R1. This will allow us to control the computer from two separate locations.
Figure 2.9 - Using USB devices under multicast mode.

flowchart
graph TD
A["Router"] -->|07| B["R1"]
B --> C["Switch"]
C --> D["S2"]
D --> E["Server"]
E --> F["Data Bus"]
F --> G["I/O Bus"]
G --> H["Switch"]
H --> I["Switch"]
I --> J["09"]
J --> K["Data Bus"]
K --> L["Switch"]
L --> M["07"]
M --> N["Switch"]
N --> O["05"]
O --> P["Data Bus"]
P --> Q["Switch"]
Q --> R["07"]
R --> S["Switch"]
S --> T["05"]
T --> U["Switch"]
U --> V["07"]
V --> W["Switch"]
W --> X["05"]
X --> Y["Switch"]
Y --> Z["07"]
Z --> AA["Switch"]
AA --> AB["05"]
AB --> AC["Switch"]
AC --> AD["07"]
AD --> AE["Switch"]
AE --> AF["05"]
AF --> AG["Switch"]
AG --> AH["07"]
AH --> AI["Switch"]
AI --> AJ["05"]
AJ --> AK["Switch"]
AK --> AL["07"]
AL --> AM["Switch"]
AM --> AN["05"]
AN --> AO["Switch"]
AO --> AP["07"]
AP --> AQ["Switch"]
AQ --> AR["05"]
- Make sure the desired Sender and Receiver units are set to multicast mode. Refer to Configuring Multicast Mode if necessary.
- Access the Web interface for the Sender unit.
- Click the Functions tab.
- Locate the USB over IP group and make sure the Enable USB over IP box is checked. This is the default setting.
Operating the DVI KVM over IP
USB Control
In multicast mode, the Operation Mode for both Sender and Receiver units are automatically set to Active per request mode.
Operation Mode:
Active per request (Default - Only one station can active
Active on link (Up to 4 USB devices within the network ca
USB Mouse Mode:
High Resolution
Compatibility
Under Active per request mode, multiple USB devices may be present on one or more Receiver units. However, only one Receiver unit can have USB control at a time.
By default, the first Receiver unit connected to the system will have USB control. In the example, below, Receiver unit R2 currently has control (we arbitrarily connected Receiver unit R2 before Receiver unit R1).
Figure 2.10 - Receiver unit R2 currently has USB control.

flowchart
graph TD
A["Router"] -->|07| B["Switch"]
B -->|09| C["Server"]
C -->|07| D["Switch"]
D -->|09| E["Server"]
E -->|07| F["Switch"]
F -->|09| G["Server"]
G -->|07| H["Switch"]
H -->|09| I["Server"]
I -->|07| J["Switch"]
J -->|09| K["Server"]
K -->|07| L["Switch"]
L -->|09| M["Server"]
M -->|07| N["Switch"]
N -->|09| O["Server"]
O -->|07| P["Switch"]
P -->|09| Q["Server"]
Q -->|07| R["Switch"]
R -->|09| S["Server"]
S -->|07| T["Switch"]
T -->|09| U["Server"]
U -->|07| V["Switch"]
V -->|09| W["Server"]
W -->|07| X["Switch"]
X -->|09| Y["Server"]
Y -->|07| Z["Switch"]
Operating the DVI KVM over IP
USB Control
Assigning USB control under Active per request mode
- Press and hold the Switch button on the desired Receiver unit, for at least two seconds. In this example, we will depress the Switch button on Receiver unit R1.
- The message "Starting USB" will appear on the connected display.
Figure 2.11 - Receiver unit R1 has USB control.

flowchart
graph TD
A["Server"] --> B["R1"]
B --> C["Router Ug."]
C --> D["07"]
D --> E["S1"]
E --> F["05"]
F --> G["07"]
G --> H["S2"]
H --> I["09"]
I --> J["Router Ug."]
J --> K["07"]
K --> L["S3"]
L --> M["09"]
M --> N["Router Ug."]
N --> O["07"]
O --> P["S4"]
P --> Q["09"]
Q --> R["Router Ug."]
R --> S["07"]
S --> T["S5"]
T --> U["09"]
U --> V["Router Ug."]
V --> W["07"]
W --> X["S6"]
X --> Y["09"]
Y --> Z["Router Ug."]
Z --> AA["07"]
- In order to assign USB control to a different Receiver unit, repeat steps 1 - 2

IMPORTANT: If switching between Active per request mode and Active on link mode, the Save and Reboot buttons must be clicked to apply changes.
Operating the DVI KVM over IP
USB Control
Active on link mode
Under Active on link mode, a maximum of four USB devices can be used within a system. In the diagram, on the previous page, the system is already using the maximum number of USB devices (2 USB devices per Receiver). If we had two more Receiver units (making a total of four Receiver units), we could have connected a single USB device to each Receiver unit. To switch to Active on link mode, follow the instruction below.
- Access the Web interface for the Sender unit.
- Click the Functions lab.
- Locate the USB over IP group and make sure the Enable USB over IP box is checked. This is the default setting.

- Click the Active on link radio button within the USB over IP group.

- Click the Save button within the USB over IP group.
- The following message will be displayed, at the top of the page, indicating that the new Serial over IP options have been applied.
Operating the DVI KVM over IP
EDID Management
The DVI KVM over IP features EDID Management. Before the source can send video (and/or audio) data, the source device (connected to each Sender unit) reads the EDID (Extended Display Identification Data) from the displays which are connected to each Receiver unit. The EDID contains information about what type of audio/video data can be sent by each source.
By default, the (downstream) EDID from the display, connected to the Receiver unit, is used. However, under certain circumstances, it may be desirable to use the internal EDID which is stored in the Sender unit.
Using the Internal DVI EDID
- Access the Web interface for the Sender unit.
- Click the Functions tab.
- Click the Load Internal EDID button.

- After a few moments, the following message will appear at the top of the page, indicating that the new Serial over IP options have been applied.

Clicking the Save or Reboot button is not required for the changes to take effect.
Operating the DVI KVM over IP
EDID Management
Using the Downstream EDID
By default, the (downstream) EDID from the display, connected to the Receiver unit, is used. If the internal EDID is being used (see Using the Internal DVI EDID), then use the following procedure to revert to the downstream EDID.
- Access the Web interface for the Receiver unit.
- Click the Functions tab.
- Make sure that the Copy EDID of Connected Display box is checked. This is the default setting. Click this box if it is not checked then click the Save button.
Video over IP
Enable Video over IP
Copy EDID of Connected Display

NOTE: Clicking the Load Internal EDID button, under the Sender unit, will override the status of the Copy EDID of Connected Display check box.
- Click the Save button within the Video over IP group.
- The following message will be displayed, at the top of the page, indicating that the new Serial over IP options have been applied.
Success: New video mode applied.
- Click the Reboot button at the bottom of the page.
- The Sender unit will now use the EDID of the downstream sink device.
Operating the DVI KVM over IP
Audio Connections
Audio works in both unicast and multicast modes. The only difference between the two modes is that the Mic In jack is automatically disabled, on all Receiver units, in multicast mode. To illustrate how audio works with the DVI KVM over IP, we will set up a microphone and some speakers.
- Our computer has a Line In jack, as part of the sound card and we want to be able to access this jack from the Receiver unit. Therefore, connect the microphone to the Mic In jack on the Receiver unit.

- In order to get the audio from the microphone into the computer, connect a 3.5mm-to-3.5mm mini-stereo cable from the Line Out jack on the Sender unit to the Line In jack on the computer.


Operating the DVI KVM over IP
Audio Connections
- Finally, we'll connect a set of powered computer speakers to the Line Out jack on the Receiver unit.

In the diagram below, the mouse and keyboard USB devices have been removed from Sender unit S2 and Receiver unit R2, for purposes of clarity. Arrowheads indicate the audio signal path.
Figure 2.12 - Speaker and microphone connections in unicast mode.

flowchart
graph TD
subgraph Component_1
R1["R1"] -->|07| S1["S1"]
S1 -->|07| R2["R2"]
R2 -->|Line Out| Loh["Loh"]
R2 -->|Line In| Bus["Bus"]
Bus -->|Line Out| Processed_Pack["Processed Packs"]
end
subgraph Component_2
R2["R2"] -->|07| S2["S2"]
S2 -->|07| R3["R3"]
R3 -->|Line Out| Bus["Bus"]
Bus -->|Line In| Bus["Bus"]
Bus -->|Line Out| Bus["Bus"]
end
subgraph Computer
S2["S2"] -->|09| Bus["Computer"]
end
R1 -->|02| S1
R2 -->|07| S2
R3 -->|07| S1
R1 -->|07| Bus
R2 -->|07| Bus
R3 -->|07| Bus
Bus -->|DA In| Bus
Bus -->|DA In| Bus
Bus -->|Line Out| Bus
Bus -->|Line In| Bus
Bus -->|Line Out| Bus
Bus -->|Line In| Bus
Bus -->|Line Out| Bus
Bus -->|Line In| Bus
Bus -->|Line Out| Bus
Bus -->|Line In| Bus
Bus -->|Line Out| Bus
Bus -->|Line In| Bus
Bus -->|Line Out| Bus
Bus -->|Line In| Bus
Bus -->|LineOut| Bus
Bus -->|LineOut| Bus
Bus -->|LineOut| Bus
Bus -->|LineOut| Bus
Bus -->|LineOut| Bus
Bus -->|LineOut| Bus
Bus -->|LineOut| Bus
Operating the DVI KVM over IP
Audio Connections
Figure 2.13 - The Mic In jack, on all Receiver units, is automatically disabled in multicast mode.

flowchart
graph TD
A["Powered connections"] --> B["R1"]
B --> C["Line Out"]
B --> D["Recover unit"]
D --> E["07"]
E --> F["R2"]
F --> G["Line Out"]
F --> H["Recover unit"]
H --> I["07"]
I --> J["S1"]
J --> K["Line Out"]
J --> L["Recover unit"]
L --> M["07"]
M --> N["S2"]
N --> O["Line Out"]
N --> P["Recover unit"]
P --> Q["09"]
Q --> R["Computer"]
S["Macrophise"] -.-> T["Line Out"]
T --> U["Recover unit"]
U --> V["07"]
V --> W["S3"]
W --> X["Line Out"]
X --> Y["Recover unit"]
Y --> Z["07"]
Z --> AA["S4"]
AA --> AB["Line Out"]
AB --> AC["Recover unit"]
AC --> AD["07"]
AD --> AE["S5"]
Using HDMI Sources
Hi-Def (HDMI) sources can be connected to the DVI KVM over IP when using HDMI-to-DVI adapters on the Sender and Receiver units. HDMI audio is passed through to the DVI Out port on the Receiver unit. The DVI KVM over IP will not pass content from HDCP sources such as Blu-ray players and PlayStation® console systems.
If a 3.5mm mini-stereo cable is connected to the Line In jack on the Sender unit, then the HDMI audio will be disabled on the Receiver unit. The Line Out jack, on the Receiver unit, will output audio from the source connected to the Line In jack on the Sender unit.
HDMI audio cannot be output using the Line Out jack on the Receiver unit.
Operating the DVI KVM over IP
Setting the Video Mode
The DVI KVM over IP provides two video modes: Video Mode and Graphic Mode. Consecutively pressing the Mode button on the Sender unit will toggle between Video Mode and Graphic Mode.
▶ Video Mode
If the DVI signal is motion video, then press the Mode button on the front panel of the Sender unit until Video Mode is displayed. This mode will optimize the frame rate.

▶ Graphic Mode
If the DVI signal is a static image, then press the Mode button on the front panel of the Sender unit until Graphic Mode is displayed.

Operating the DVI KVM over IP
Performing a Factory Reset
To reset a DVI KVM over IP Sender and / or Receiver unit to factory-default settings, follow the instructions below.
Sender Unit

- Disconnect the power from the Sender unit.
- Press and hold the Mode button.
- While continuing to press the Mode button, reconnect the power.
- Continue holding the Mode button until both Power and Link indicators begin to flash.
- Use the end of a paper clip or other sharp pointed device to press the Reset button.
- After the Power LED indicator stops flashing, the unit will be ready for use.
Receiver Unit

- Disconnect the power from the Sender unit.
- Press and hold the Switch button.
- While continuing to press the Switch button, reconnect the power.
- Continue holding the Switch button until both Power and Link indicators begin to flash
DVI KVM
Over IP
03 Appendix
Upgrading the Firmware....45
17 Channels or Less 47
Developer Notes....49
Network Cable Diagram 50
Rack Tray Installation 51
Specifications 52
Appendix
Upgrading the Firmware
Page Title
The following items are required to upgrade the firmware:
• Gefen DVI KVM over IP
• Computer (Mac or PC)
- Firmware files
- Download the firmware for the DVI KVM over IP from the Gefen Web site.
To limit the number of channels to 17 or less, please refer to 17 Channels or Less or go to page 47.
- Extract both firmware files from the .ZIP file. The .ZIP file contains two files:
TX_host_kernel_Abil_webfwn_v|version|a.pin (Sender unit)
- RX client kernel A511 web2we v[version]d.bin (Receiver unit)
- Access the Web interface by entering the IP address of the Sender or Receiver unit.
The order in which the Sender and Receiver units are upgraded does not matter. Refer to Displaying the IP Address if necessary. - Under the System tab, click the Update Firmware frame.
- Click the Browse... button and select the firmware for the unit that is being upgraded: If upgrading the Sender unit, select the filename beginning with "TX". If upgrading the Receiver unit, select the filename beginning with "RX".

Appendix
Upgrading the Forgevistle
Update Firmware:
Firmware Update Progress:
firmware file name: TX_host_kernel_A511_webfwh_v1,28d
firmware file size: 4687041 bytes
Decompressing fir Platform mounted
Start programming flash...
programming bootloader...
programming kernel...
Please wait... 4 %
- Once the firmware upgrade process has completed, the DVI KVM over IP will reboot.
Update Firmware:
Firmware Update Progress:
firmware file name: TX_host_kernel_A511_webfwh_v1.28d
firmware file size: 4687041 bytes
Decompressing fir Platform matched
Start programming
programming bootloader...
programming kernel...
programming rootfs
programming rootfs patch...
programming parameters...
Programming completed
DONE. Rebooting...
Appendix
Upgrading the Fregevistle
17 Channels or Less
The following items are required to upgrade the firmware to a limited number of channels:
• Gefen DVI KVM over IP
• Computer (Mac or PC)
- Firmware files
- Download the firmware for the DVI KVM over IP from the Gefen Web site.
- Extract the firmware files from the .ZIP file. The .ZIP file contains two files:
▶ weptwc_131a-ch00XX
XX denotes the number of maximum channels
- Access the Web interface by entering the IP address of the Receiver unit. Refer to Displaying the IP Address if necessary.
- Under the System tab, click the Update Firmware frame.
- Click the Browse... button and select the number of channels needed.

-
Click the Update button.
-
A large measure the High level of a well indicates that the majority of cases have
Appendix
Upgrading the Forgevistle
Update Firmware:
Firmware Update Progress:
firmware file name: TX_host_kernel_A511_webfwh_v1.28d
firmware file size: 4697041 bytes
Decompressing firmware...
Platform matched.
Start programming flash...
programming bootloader...
programming kernel...
Please wait... 4 %
- Once the firmware upgrade process has completed, the DVI KVM over IP will reboot.
Update Firmware:
Firmware Update Progress:
firmware file name: TX host_kernel_5A11_webfwh_v1.28d
firmware file size: 4687041 bytes
Decompressing firmware...
Platform matched.
Start programming flash...
programming bootloader...
programming kernel...
programming rootfs...
programming rootfs patch...
programming parameters...
Programming completed
DONE. Rebooting...
- Repeat the process for each Receiver unit in the system
Appendix
Developer Notes
The following information is intended for developers that use the DVI KVM over IP product as part of their application.
To change the routing on the Sender and Receiver unit, the following URL needs to be issued:
http://ip/cgi-bin/query.cgi?callback=jQuery15101605335809222362_1370475364360&cache=false&nc+cache=1370480963843&cmd=astparam+s+multicast-ip=225.0.100.inpstr+Sastparam+s+ch(select+inpi?Bast_cond_event=-1+t_reconnect&wrap_type=multi_line
where:
| ID Name | |
| TP | Receiver IP |
| inp:01r | 3-digit number of the Sender channel |
| inp | Sender channel |
Example:
To change the Receiver at 192.168.2.100 to display Sender channel 2:
http://192.168.2.100/cgi-bin/one ry.cgi?callback=jone ry15101805335909232362.1370475364360coach="a"set&ncsache=13704828038343&cmd=asl.pars=c+s+multil.snl.jp=225.0.100:00283Ras.nraca+s+ch_sel=0L+283Ras.netl event=11reconnect&wrap_type=mull_tins
Appendix
Network Cable Diagram

Gefen recommends the TIA/EIA-568-B wiring option. Use the table below when field-terminating cable for use with Gefen products.
Pin Color Description
| 1 Orange / White TD+ (Transmit Data, positive differential signal) | |
| 2 Orange TD- (Transmit Data, negative differential signal) | |
| 3 Groon / White RD+ (Receive Data, positive differential signal) | |
| 4 Blue Unused | |
| 5 Blue / White Unused | |
| 6 Green RD- (Receive Data, negative differential signal) | |
| 7 Brown / White Unused | |
| 8 Brown / White Unused | |
Shielded (OTD) OAT 5 or OAT 6 in recommended. However, unshielded (ITD)
Appendix
Rack Tray Installation
The following illustrations provide instructions for installing the Sender and/or Receiver unit(s) in the Gefen 1U Rack Tray (Gefen part no. EXT-RACK-1U).
Step 1 Step 2


Step 3 Step 4

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3D diagram showing a rectangular object with a downward arrow and a smaller block with arrows, no text or symbols present.
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3D diagram of a mechanical component with arrows indicating direction (no text or symbols)Step 5 Step 6

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3D rendering of a white rectangular electronic component with a small internal slot and mounting bracket (no text or symbols)
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Isometric view of a rectangular electronic component with a small internal slot (no text or symbols)Appendix
Specifications
| Supported Formats | |
| Resolutions (max.) • 1080p Full HD | • 1920 x 1200 (WUXGA) |
| Electrical | |
| Maximum Pixel Clock · 165 MHz | |
| Link indicator (Sender / Receiver) · 1 x LED, green | |
| Power indicator (Sender / Receiver) · 1 x LED, blue | |
| Connectors | |
| Video Input (Sender) • 1 x DVI-I 29-pin, female | |
| Video Output (Receiver) • 1 x DVI-I 29-pin, female | |
| Audio (Sender) • 1 x 3.5mm mini-stereo (Line In)• 1 x 3.5mm mini-stereo (Line Out) | |
| Audio (Receiver) • 1 x 3.5mm mini-stereo (Line Out)• 1 x 3.5mm mini-stereo (Mic In) | |
| USB (Sender) • 1 x Type B, female | |
| USB (Receiver) • 2 x Type A, female | |
| Ethernet (Sender) • 1 x RJ-45 | |
| Ethernet (Receiver) • 3 x RJ-45, shielded | |
| IR Emitter (Sender) • 1 x 3.5mm mini-mono jack | |
| IR Ext. (Receiver) • 1 x 3.5mm mini-stereo jack | |
| RS-232 (Sender) | • 1 x DB-9, female |
| RS-232 (Receiver) | • 1 x DB-9, male |
| Control | |
| Reset button (Sender) | • 1 x Push button, tact-type |
| Mode button (Sender) | • 1 x Push button, tact-type |
| Switch button (Receiver) | • 1 x Push button, tact-type |
Appendix
Specifications
Operational
| Power Input (Sender / Receiver) • 1 x 5V DC, locking |
| Power Consumption (Sender / Receiver) | 10W (max.) |
Physical
| Dimensions (W x H x D)(Sender / Receiver) | • 8.4" x 1.7" x 4.5"(213mm x 43mm x 113mm) |
| Unit Weight (each unit) • 2 lbs (0.9 kg) |

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20100 Nordhoff St. Chelsworth CA 01911