FS-900 - Hi-Fi System JVC - Free user manual and instructions
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| Product Type | Triple Studio Camera Interface System |
| Brand | JVC |
| Model | FS-900 |
| Application | Professional broadcast video production |
| Video Support | 3G-SDI up to 1080p/60, SMPTE ST259/292/424 |
| Audio Channels | 2-channel intercom, 2-channel program audio |
| Fiber Optic Connector | Single-mode hybrid fiber (SMPTE 304 or Neutrik opticalCON) |
| Fiber Distance | Up to 300 m (1000 ft) on SMPTE hybrid fiber |
| Power Supply (Base) | Dual redundant IEC320, 50-250 VAC, 50/60 Hz |
| Power (Camera Head) | 54 VDC via hybrid fiber or 11-17 VDC battery mount (Anton Bauer/V-Mount) |
| Ethernet | Gigabit 10/100/1000 Base-T |
| Intercom Compatibility | 2-wire/4-wire, RTS, Clear-Com |
| Video Genlock | Analog black burst or tri-level |
| Timecode | SMPTE/EBU, unbalanced |
| Tally/GPIO | Program and preview (red/green), GPI/O |
| Camera Compatibility | JVC ProHD GY-HM3900 |
| Operating Temperature | 0 to 50°C |
| Humidity | 0 to 95% RH, non-condensing |
| Warranty | 2 years parts and labor |
| Cleaning | Use only a dry cloth |
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USER MANUAL FS-900 JVC
FS-900 Triple Studio Camera Interface System

MultiDyne
Harnessing The Power of Light
10 NEWTON PLACE
HAUPPAUGE, NY 11788 USA
(877) 685-8439 / (516) 671-7278 / FAX (516) 671-3362
sales@multidyne.com
www.multidyne.com
TABLE OF CONTENTS
Important Safety Instructions ....1
Laser Safety Information....1
Unpacking the FS-900 Triple Studio Camera Interface System. 2
Installation Instructions 2-3
FS-900 System Description 4
FS-900 JVC Triple Studio Camera Interface System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Camera Interface Signal Paths 5
Detailed Description: Camera Unit - Connectors. 6
Detailed Description: Camera Unit – Controls & Indicators. 7
Viewfinder Operation....8
Intercom Operation....8
Detailed Description: Base Unit – Connectors & Controls. 9
Detailed Description: Base Unit – Controls & Indicators 9
Base Unit Power....10
Application & Usage 11
Signal Flow: Base Unit 12
Signal Flow: Camera Unit 13
Operation: Base Unit - Menu Details 14
Operation: Camera Units 1, 2 & 3 - Menu Details 15
Detail Connector Pinouts - Base Unit 16
Detail Connector Pinouts - Camera Unit 17
Hirose Cable Information. 18
Technical Specifications 19
Limited Warranty 20
Copyright 2018 MULTIDYNE Electronics, Inc., Printed in the United States of America. All Rights Reserved. Contents of this publication may not be reproduced in any form without the written permission of MULTIDYNE Electronics, Inc.
MultiDyne Video & Fiber Optic Systems
10 Newton Place
Hauppauge, NY 11788
This product was designed and manufactured in the UNITED STATES of AMERICA
SAFETY INFORMATION Instruction Manual, FS-900
Important Safety Information
- Board these instructions
- Read these instructions. - Keep these instructions.
- Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
- Clean only with dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install 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 grounding-type plug. A grounding-type plug has two blades and a third grounding prong. The third prong is 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.
- Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
- 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.
- Throughout this manual, a number of warning and caution notes may be presented to alert the user to important safety or operating information. Please read and comply with any and all warning and caution notes in this manual.
- Always adhere to local building, safety, and fire prevention codes during the installation and operation of this product.
- Use only power cords specified for this product and certified for the country of use.
- Connect the unit only to a power source with the specified voltage rating.
- Use only fuses of the type and rating specified.
• In case of an emergency, ensure that power is disconnected.
Laser Safety Information
This unit is classified as a CLASS 1 LASER PRODUCT according to EN60825-1 (EU) and FDA 21CFR 1040.10 (USA). Class 1 laser products are considered safe and do not result in biological hazard if used according to these instructions.

CLASS 1
LASER
PRODUCT

Warning - indicates danger that requires proper procedures or practices to prevent injury or death to personnel.

Cautions indicate proper procedures or practices to prevent damage to equipment or property.

Warning - The safe operation of the product requires that a protective earth connection be provided. A grounding conductor in the equipment's main supply provides this protective earth. To reduce the risk of electrical shock to the operator and service personnel, this ground conductor must be connected to an earthed ground. The main plug shall remain readily accessible.

Warning - The apparatus shall not be exposed to dripping or splashing, and no objects filled with liquids, such as vases, shall be placed on the apparatus.

Warning - This symbol on the equipment indicates for use at altitudes not exceeding 2000 m.

Warning - Waste Electrical and Electronic Equipment Directive (WEEE Directive) - Please contact your local authority for further details of your nearest designated collection point. Penalties may be applicable for incorrect disposal of this waste, in accordance with your national legislation.

Warning - Use of controls, adjustments, or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Warning - Never look directly into the end of the optical fiber while either end of the system is operating.

Warning - Never clean an optical filter connector on equipment or cable that is carrying light.

Warning - Always use dust caps on fiber optic connectors when cables are not connected. This will protect the connector from damage and accidental exposure of a human eye to an operating laser.
Instruction Manual, FS-900 UNPACKING & INSTALLATION
UNPACKING - FS-900 Triple Studio Camera Interface System
The following items listed are for a standard 3 Camera Head system. Quantities may differ depending on the number of Camera Heads ordered:
SMPTE Option:
| Qty Description |
| 1 FS-90CBS/S Base Station(25 Pin Audio Connector included, 2 included) |
| 3 FS-900CAMTS Camera Hood |
| 3 Return video cable 10" (MDCAB01142) * |
| 9 Hi/ose Power cable (MDCAB01175) * |
| 2 Line cord |
| 3 Mounting Hardware Kit * |
*Quantities included for standard 3 Camera Head system.
Neutrik Option:
| Qty Description |
| 1 FS-900BSIN Base Station(25 Pin Audio Connector included, 2 included) |
| 3 FS-900CAMIN Camera Head |
| 3 Return video cable 10" (MDCAB01142) * |
| 9 Hinose Power cable (MDCAB01175) * |
| 2 Line cord |
| 3 Mounting Hardware Kit * |
* Quantities included for standard 3 Camera Head system.
INSTALLATION INSTRUCTIONS
Base Station Unit:
When mounting the Base Station into a rack, allow at least 1 RU of open space above and below it for proper cooling.
Rack Mount Installation Safety Notes:
A) Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be greater than room ambient. Therefore, consideration should be given to installing the equipment in an environment compatible with the maximum ambient temperature (Tma) specified by the manufacturer.
B) Reduced Air Flow - Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not compromised.
C) Mechanical Loading - Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven mechanical loading.
D) Circuit Overloading - Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of the circuits might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing this concern.
E) Reliable Earthing - Reliable earthing of rack-mounted equipment
Camera Head Unit :
JVC Camera Silverback attachment procedure instructions in the next 6 steps on the following page.
INSTRUCTIONS Instruction Manual, FS-900
Step 1: Remove the existing battery plate
Unscrew all 4 screws holding the battery plate onto camera. Place Battery Plate and screws to the side for use later in Step 6. (for more information visit JVC website: http://aro.jvc.com/splash.isol

Step 2: Attach camera mount plate
Position the camera mount plate on the back of the camera and fasten using the #6-32 screws that are provided in the Hardware Mounting Kit.

Step 3: Attach PCB connector
Shown below with camera back mounting attached

A. 10
Step 4: Camera and Silverback connection
Connect the MCX connector, the power connector, the battery data connectors and the camera interface connector as shown.

Step 5: Mount the Camera Back
Install the camera back on the mounting plate and fasten using the 4 #4/40 pan head screws & 2 #4/40 flathead screws that are provided in the Hardware Mounting Kit.

Step 6: Connect Battery Plate to Silverback
Connect the Battery Plate. Inter-connect wires. The connectors are keyed. Then re-attach the Battery Plate using the 4 screws that were set aside in Step 1. (See inset)

Instruction Manual, FS-900 SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
The FS-900 Triple Studio Camera Interface System is a camera video, audio, ethernet and data multiplexing system that installs between three separate JVC ProHD GY-HM3900 video cameras and their power sources. In addition, each camera connects via a single fiber optic cable to a common Base Station in a truck, studio control room, or other video production facility. All of the video, audio and data is sent bidirectionally between the Base Station and each camera over three separate single fiber cables, one between each camera and the common Base Station.
The Camera Head Unit is attached directly to the camera. The Camera Head unit is designed to allow the majority of the signals
that connect between the Camera and itself to flow thru a 68 pin connector internal to the Camera and the Camera Head unit.
The FS-900 Triple Studio Camera Interface System consists of the two main components:
- The FS-900 Base Station
- The FS-900 Camera Head
Model numbers of available options: FS-900BS1S - Base Station with SMPTE connectors FS-900BS1N - Base Station with Neutrik connectors FS-900CAM1S - Camera Head with SMPTE connectors FS-900CAM1N - Camera Head with Neutrik connectors
FS-900 TRIPLE STUDIO CAMERA INTERFACE SYSTEM
MultiDyne FS-900 Triple Studio Camera Interface System for JVC's GY-HM890 ProHD camcorder
The MultilPyne® Pro HD camera-mounted fiber-optic transceivers are used to "systemize" HD, 2K and 4K Quad-Link 3G camcorders. They offer versatility and the ability to configure a camera system to specific applications. The camera is connected with a series of short patch cables and then connected to the system's base station (RX) with a single fiber-optic cable, which can be located near the camera or miles away.

The FS-900BS1N (Neutrik Opticalcon) and FS-900BS1S (SMPTE)
Supports 3G-SDI 1080p/60 camera feeds and returns. Cost-efficient to support up to three cameras by each base station, and separate power supplies provide up to 150 watts for each camera, as well as prompts and talent monitors.
Key Features
• Supports 1080 50/60p 3G-SDI camera feed and returns. • HDMI / SDI feeds for high-quality HD teleprompters. • Gigabit Ethernet for Video-over-IP and web-based RCU. • Dual redundant power supplies for base station

Hybrid fiber cable for Neutrik and SMPTE
Hybrid fiber cable assemblies are compatible for easy mating to industry standard broadcast camera systems. The rigorous qualification and intermateability testing program guarantees consistent and reliable results with all compliant systems.
CAMERA INTERFACE SIGNAL PATHS Instruction Manual, FS-900![graph TD subgraph_Camera_Unit_1["Camera Unit 1"] A1["3Gb/s HD-SDI 1 (camera video)"] A2["3Gb/s HD-SDI PGM return 1 (video)"] A3["3Gb/s HD-SDI return 2 (video)"] A4["Prompter: SDI + HDMI (common)"] A5["2 channel Intercom"] A6["2 channel PGM audio"] A7["Analog SD/HD reference (common)"] A8["Camera 1 T…](/content/2026/05/976325/images/2613fee8808dfcdf8855ce39cf9a0226a6342ec5fb637ddaff2f0432a37e072f.jpg)
Instruction Manual, FS-900 CAMERA UNIT - CONNECTORS CAMERA UNIT - CONNECTORS CAMERA INTERFACE SIGNAL PATHS
Battery Connector:
Anton Bauer Gold mount or V mount
Fiber-Optic Connector.
Use either SMPTE or NEUTRIK cable (depending on option)
Use either SIM TE or NEARK cable (depending on option)
Return 3 Video—HDMI Output Connector:
The Return 3 video channel sent from the Base Unit to the
Camera Head that has been converted from SDI to HDMI
inside the Camera Head Unit is output on this HDMI connector.
Viewfinder Video—BNC Output Connector:
The video output on this connector is either the SDI video
coming in from the Camera or the Return 1 video channel sent
from the Base Unit, depending on which input is selected via
the Viewfinder Input Select Button (see page 7 for location).
Return 1, 2, 3 Video—BNC Output Connector:
The Return video channel input into and sent from the Base
Unit to the Camera Head is output on these BNC connectors.
Auxiliary Power Output 1, 2 & 3 Connectors: In order to use
4A from each connector, all pins must be used.
Program Audio Output Connector:
See page 16 for detailed pinout assignments.
External Tally/GPIO Connector:
See page 16 for detailed pinout assignments.
Ethernet Connector:
Use to connect Camera Head Unit to Ethernet.
Intercom Headset Connector:
See page 17 for detailed pinout assignments.
CAMERA UNIT - CONTROLS & INDICATORS
Instruction Manual, FS-900

SYSTEM DESCRIPTION
The Viewfinder button on the Camera Unit's control panel is used to select the video source that is output from the Viewfinder BNC Connector. Pressing this button will change between the Camera's video output and the Return 1 video being sent by the base station. LEDs on the control panel indicate which source is currently switched to the Viewfinder output.
An external switch connected to the DB-15 GPIO connector on the Camera Unit may also be used to control the Viewfinder output. Please refer to the pinout guide for pinout information. The Viewfinder select pin on the GPIO connector is typically used with a momentary type push button switch. When this pin is connected to Ground, the Viewfinder BNC will output Return 1 video. When this pin is left open or unconnected, the Viewfinder BNC will output the Camera's video signal.
The Viewfinder output can also be selected using the RET button on the Lens. Note that this requires GY HMB30U camera firmware V0301-D070, or later, and this option is enabled in the Camera's menu under: Camera Function; → User Switch Set; → Return Video □ Camera Return.
INTERCOM OPERATION
The top portion of the Camera Unit's control panel is used to control intercom operation of the camera operator's headset. These controls consist of: a push-to-talk (PTT) switch, volume control buttons, and indicator LEDs. There are additional controls located next to the headset connector for Mic Gain and Sidetone adjustment. Mic Gain and Sidetone level are adjusted using a small screwdriver.
The intercom headset connector can be used with industry standard dual-muff or single-muff headsets. Intercom Belt Packs cannot be plugged into the Camera Unit. When using dual-muff headsets, identical audio will be present in both ears.
The volume controls allow for a mix of both intercom channels and program audio all to be listened to in the headset simultaneously. The LED above each channel's set of volume control buttons will illuminate whenever audio is present on that channel. When adjusting the volume, these LEDs will rapidly blink 3 times whenever the min or max volume setting has been reached.
The Intercom Talkback switch, or PTT switch, provides momentary latching operation of the headset microphone to allow the operator to talk on a particular intercom channel, or on both channels simultaneously.
For momentary mode, press and hold the PTT switch up or down towards the intercom channel you wish to speak on and then speak into the microphone. The TALK and the selected intercom channel
LEDs will blink and the mic will remain open while the PTT switch is held. Release the PTT switch when finished talking. The mic will close and the TALK and channel LEDs will turn off.
Latching mode can be used for longer-term, hands-free operation. To talk on channel 1, quickly toggle the PTT switch upwards towards CH1 and release. The mic will latch open and the TALK and CH1 LEDs will blink continuously. When finished talking, quickly toggle the PTT switch upwards again and release. The mic will then close and the TALK and CH1 LEDs will turn off.
To talk on channel 2, quickly toggle the PTT switch downwards towards CH2 and release. The mic will latch open and the TALK and CH2 LEDs will blink continuously. When finished talking, quickly toggle the PTT switch downwards again and release. The mic will close and the TALK and CH2 LEDs will turn off.
To talk on both channels 1 and 2 simultaneously, first quickly toggle the PTT switch upwards towards CH1 and release. The mic will latch open and the TALK and CH1 LEDs will blink continuously. Next, quickly toggle the PTT switch downwards towards CH2 and release. The mic will stay open and the TALK, CH1 and CH2 LEDs will blink continuously. When finished talking, quickly toggle the PTT switch upwards and release to disengage CH2 (the CH1 LED will turn off) then quickly toggle the PTT switch downwards and release to disengage CH2 (the CH2 LED will turn off). The mic will close and the TALK, CH1 and CH2 LEDs will all turn off.
An external switch connected to the DB-15 GPIO connector on the Camera Unit may also be used to control Intercom Talkback operation. Please refer to the pinout guide for pinout information. Two mic trigger GPI pins are provided, one for CH1 and one for CH2. A single SPDT momentary type switch or 2 SPST switches may be used.
Intercom Talkback operation can also be controlled using the REC button on the Camera's Lens. Note that this requires GY-HM8SOU camera firmware MS18-00FB, or later, and this option can be enabled in the Camera's menu under: Camera Function > Lens REC > (ICOM2, ICOM1, REC). Momentary and Latching operation is supported from the REC button only on the intercom channel that is selected in the menu. Both channels cannot be activated simultaneously from the REC button.
9 SYSTEM DESCRIPTION Instruction Manual, FS-900
BASE UNIT - CONTROLS & INDICATORS (Front) BASE UNIT POWER
Camera 1 LTC Presence LED Indicator: illuminates when a valid timecode signal is being received from Camera 1
Cameras 1, 2, & 3 SDI Video, RCP Data, Fiber Link LED Indicators: Illuminates when the SDI video, RCP data, and Fiber Link from Cameras is present.
SDI Return 1, 2, & 3 Video Presence LED Indicator: Illuminates when the Return video channels input has a valid signal on it
Intercom Ch1 & Ch2 Audio Presence LED Indicator: Illuminates when the Intercom Ch1 Audio channel has a valid audio signal on it.
Program Audio Presence LED Indicator: Illuminates when the Program Audio channel has a valid audio signal on it
Reference Presence LED Indicator: Illuminates when a valid Reference Signal is connected to the Base.
Power LED Indicator: Illuminates when the Base Unit has AC power applied to it.
Menu Navigation Button: Controls front panel TFT display See Operations Section for description.
TFT Display: See Operations Section for description.
BASE UNIT - CONNECTORS & CONTROLS (Rear)
AC Mains Input 1 & 2 Connector: Connector 1 provides power to the base unit and power to all the cameras. AC Mains 1 is primary AC power input. AC Mains 2 provides redundant power to ONLY the base station.
OpenGear Option Slot 1 & 2: For future use.
Camera 1, 2, & 3 Hybrid Fiber-Optic Connector: Use either SMPTE or Neurink cone depending on option ordered to connect cameras to base unit. Carries all data between camera head unit and base unit and provides power to camera head as well.
Program Audio & Intercom DB25 Connector: Intercom and PGM Audio signals are connected here. See page 16 for detailed pinout assignments.
Return 1, 2, & 3 SDI Video Input BNC Connector: Return video input channels to the base which are sent to the three camera units.
Timecode Input BNC Connector: Timecode input to Base Unit which is then sent to the three Camera Head Units.
Intercom 2-Wire/4-Wire Selector Switch: Selects between 2-Wire mode or 4-Wire mode.
2-Wire Intercom Autonull Switch: Toggling it up performs an automatic nulling function on intercom CH1. Toggling it down performs this function on intercom CH2.
Video Reference Input BNC Connector (looping): Video input reference signal is connected here.
Camera 1 Timecode Output BNC Connector: Timecode signal sent from Camera 1 through Camera Head 1 Unit.
Camera 1, 2, & 3 RCP Connector: Remote control panel inputs.
Tally & GPIO DB25 Connector: Connect Tally and GPIO signals for each camera here. See page 15 for detailed circuit assignments.
Ethernet Connector: Cameras 1, 2, & 3 10-100/1000 mbps Ethernet port connections.
Camera 1, 2, & 3 SDI Video Output A & B BNC Connectors: SDI video channel from cameras 1, 2, & 3 available at these connectors. Two copies of each camera's video output are provided on these BNC's.
![graph TD A["AC1"] --> B["48V"] C["AC2"] --> D["12V"] B --> E["Base Unit Electronics"] D --> E](/content/2026/05/976325/images/0f3f5f9dcb35e941e0c80a7bf26ba6fd17d89228f0adfbb894855efeacdfa032.jpg)
ProHD Base Unit
All of the video signals coming from the camera and its accessories (viewfinder, etc.) are fed to the FS-900 Triple Studio Camera Interface system's 1 RU base station enclosure via the SMPTE or opticalICON swivel connector which also supplies power.

FS-900 Triple Studio Camera Interface connected to ProHD Base Unit
Fiber Installation and Power vs Distance. Up to 300 meters (1000 feet) on SMPTE 304 Hybrid Fiber All HD, Video, Audio and control signals, plus up to 100 Watts of continuous 14VDC Power

Instruction Manual, FS-900 SIGNAL FLOW - BASE UNIT
SIGNAL FLOW - BASE UNIT
![graph TD A["Input"] --> B["Com To Com 1"] A --> C["Com To Com 2"] A --> D["Com To Com 3"] E["Input"] --> F["Com To Com 1"] E --> G["Com To Com 2"] E --> H["Com To Com 3"] I["Reference Input"] --> J["Com To Com 1"] I --> K["Com To Com 2"] I --> L["Com To Com 3"] M["Reference Line"] --> N["Com To Com…](/content/2026/05/976325/images/8c60eef0a0f156286bf096a62956773888c4341a1d0c2335d91bd4b2c741b9e5.jpg)
![graph TD A["40V Power Supply"] --> B["16V Power Supply"] B --> C["40V To Connect"] C --> D["16V To Connect"] D --> E["40V To Connect"] E --> F["40V To Connect"] F --> G["40V To Connect"] G --> H["40V To Connect"] H --> I["40V To Connect"] I --> J["40V To Connect"] J --> K["40V To Connect"] K --> L["…](/content/2026/05/976325/images/4f1184976a72af159f471b91695939a4cca0588904e32a2d77a7d18945858a98.jpg)

SIGNAL FLOW - CAMERA UNIT
Instruction Manual, FS-900
SIGNAL FLOW - CAMERA UNIT![graph TD A["CAM Video (Internal MCX)"] --> B["Amplifier"] B --> C["VF Switch"] C --> D["CV: To Base"] E["Ret1 Video (From Base)"] --> F["Amplifier"] F --> G["VF Out BNC"] H["Ret2 Video (From Base)"] --> I["Amplifier"] I --> J["VF Out BNC"] K["Ret3 Video (From Base)"] --> L["SDI → HDMI"] L --> M["Ret…](/content/2026/05/976325/images/a85eacc16f65cccf6f7471142d0d9996dcbcdbed39efbb1ac258e54050aecb90.jpg)
Instruction Manual, FS-900
OPERATION

Base Unit - Menu Details![graph TD A["Home Status Screen: System Status\nBase 26\nControl 1.0K\nControl 2.0K\nControl 3.0K\nBack None"] --> B["Base Top Menu: Base System Status\nFiber Status\nAV Status\nSystem Status\nBack None"] B --> C["Base Fiber Status Menu: Base Fiber Status\nCase 1 Case 2 Case 3\nBolt-axler-axler-axler…](/content/2026/05/976325/images/b65d2e05c91424fe8de4a01ee06113e64144071592c43604cc2531477bf66e00.jpg)

OPERATION
Instruction Manual, FS-900
Camera 1, 2 & 3 - Menu Details![graph TD A["Home Status Screen: System Status\nSensor 100\nCamera 0.300\nCamera 2.000\nCamera 3.000\nBack Home"] --> B["Camera Top Menu: Camera System Status\nSensor 100\nCamera 2.000\nCamera 3.000\nBack Home"] B --> C["Camera 1/2/3 Top Menu\nCamera 1/2/3 Menu\nFiber Status: A/V Status:\nSysteine St…](/content/2026/05/976325/images/e2e742956f5ef63214a68e442fec7829b24675c73959ab1faa42850f67e4e17e.jpg)
Instruction Manual, FS-900
DETAIL CONNECTOR PINOUTS - BASE UNIT

Detail Connector Pinouts - Base Unit Base Unit Intercom/Audio Connector Pin-out
| Number | Description | Number | Description |
| 1 | 2 Wire Intercom Fin3 / 4 Wire Intercom Ch1 Output | 11 | 2 Wire Intercom Fin3 / 4 Wire Intercom Ch2 Output* |
| 2 | 4 Wire Intercom Ch1 Output | 15 | 4 Wire Intercom Ch2 Output |
| 3 | GND | 16 | GND |
| 4 | 4 Wire Intercom Ch1 Input | 17 | 4 Wire Intercom Ch2 Input |
| 5 | 4 Wire Intercom Ch1 Input | 18 | 4 Wire Intercom Ch2 Input |
| 6 | PSM Audio Ch1 Input | 19 | PSM Audio Ch2 Input |
| 7 | PSM Audio Ch1 Input | 20 | PSM Audio Ch2 Input |
| 8 | CND | 21 | CND |
| 9 | GND | 22 | N/C |
| 10 | Intercom MIC Ch1 GPI Input | 23 N/C | |
| 11 | N/C | 24 N/C | |
| 12 | CND | 25 CND | |
| 13 | CND |
Base Unit GPIO Connector Pin-out
| Number | Description | Number | Description |
| 1 | Camera 1 Program (Red) Tally GPI Input | 14 | GND |
| 2 | Camera 1 Preview (Green) Tally GPI Input | 15 | GND |
| 3 | Camera 1 GPI Input | 16 | GND |
| 4 | Camera 1 GPO Output | 17 | GND |
| 5 | Camera 2 Program (Red) Tally GPI Input | 18 | GND |
| 6 | Camera 2 Preview (Green) Tally GPI Input | 19 | GND |
| 7 | Camera 2 GPI Input | 20 | GND |
| 8 | Camera 2 GPO Output | 21 | GND |
| 9 | Camera 3 Program (Red) Tally GPI Input | 22 | GND |
| 10 | Camera 3 Preview (Green) Tally GPI Input | 23 | GND |
| 11 | Camera 3 GPI Input | 24 GND | |
| 12 | Camera 3 GPD Output | 25 | GND |
| 13 | +12VDC Output |

DETAIL CONNECTOR PINOUTS - CAMERA UNIT
Instruction Manual, FS-900
Detail Connector Pinouts - Camera Unit
Camera Unit GPIO Connector Pin-out
| Number Description Number Description | |||
| 1 Program | Realt Tally GPO Output 9 GND | ||
| 2 Preview | Clear() Tally GPO Output 10 GND | ||
| 3 GPD Output 11 Intercom MIC CNT PTT SPI Input | |||
| 4 SPI Input 12 Intercom MIC CN2 PTT SPI Input | |||
| 5 Viewfinder Input Select SPI Input 13 NIC | |||
| 6 GND 11 NIC | |||
| 7 GND 13 | 2VDC Output | ||
| 8 GND | |||
Camera Unit Audio Connector Pin-out
| Number Description Number Description | |||
| 1 GND & PGM Audio CT1 Output | |||
| 2 PGM Audio CT1 Output- 7 GND | |||
| 3 PGM Audio CT2 Output+ | 8 PGM Audio CT2 Output+ | ||
| 4 GND | 9 N/C | ||
| 5 N/C | |||
Camera Unit Intercom Headset Audio Connector Pin-out
| Number Description | |
| 1 GND | |
| 2 MIC Input | |
| 3 GND | |
| 4 Audio L Output | |
| 5 Audio R Output | |
Camera Unit Auxiliary Power Output Connector Pin-out
| Number Description | |
| 1 GND | |
| 2 GND | |
| 3 +12VDC Output | |
| 4 +12VDC Output | |
Instruction Manual, FS-900
HIROSE CABLE INFORMATION

SMPTE Hybrid Fiber Cable system power limits
Power vs. Distance Typical 5mm SMPTE Hybrid Cable
MDCAB01175 - 3" Hirose, 4 AMP accessory power cable wiring diagram



TECHNICAL SPECIFICATIONS
Instruction Manual, FS-900
Instruction Manual, FS-900
LIMITED WARRANTY

Technical Specifications
SDI Video
| Interface SMPTE ST259, ST292, ST424 | |
| Delta Rate 270Mbps, 1.5Gbps, 3Gbps | |
| Input/output Level B00mVx-p | |
| Input/output Impedance 75 Ohms | |
| Connector, Camera Unit BNC | |
| Connector, Base Unit BNC | |
| Embedded Audio Supported Yes |
Video Genlock (Reference)
| Type Analog Black Burst, Tri-Level | |
| Impedance 75 Ohms | |
| Level IVx g | |
| Connector, Camera Unit Internal 68-pin | |
| Connector, Base Unit BNC | |
Analog Audio
| Type Balanced Analog Line Level | |
| Level -4Cr Run nominal, -24dB max. | |
| Input Impedance | >10k ohms |
| Output Impedance | 50 ohms |
| THD-N | Better than 0.0% |
| Frequency Response +0.1 dB | 3dB, 20Hz to 20kHz |
| Connector, Camera Unit DBS | |
| Connector, Base Unit DB25 | |
Intercom Audio
| Number of Channels | 2 |
| Interface 2/Atrio or 4/Atrio | |
| Compatibility | RTS, Clear-Com |
| Headset MIC Type | Dynamic |
| Headset MIC impedance | 200 Ohms nominal |
| Level, 4-Wire | +4dBu nominal, -24kDa max. |
| Level, 2-Wire | -10dBu nominal |
| Connector, Headset | XLR 5 |
| Connector, Basic Unit D825 | |
Camera Remote Control
| RCP Camera Control(Remode) | |
| Type | JVC RCP (RS232) |
| Connector, Camera Unit | Internal 68-pin |
| Connector, Base Unit | 6 pin Mini DIN |
Ethernet
| Ethernet | |
| Data Rates | 10/100/1000 Base-T |
| Connector | 8.145 CatSo |
Tally / GPIO
| Input type | Short to BND or TTL Low to Activate |
| Output Type | Relay Contact Closure (30V, 2A max) |
| Connector, Camera Unit | 0815 |
| Connector, Base Unit | 0825 |
Timecode
| Tyna | SMPTR/EBU, TC |
| Inputs Unbalanced, 15Vp-p max | |
| Outputs | Unbalanced, 36p-p max |
| Connector, Camera Unit | Internal |
| Connector, Base Unit | BNC |
Electro-Optical
| Operating Wavelengths | 1471-1811nm |
| TX Laser Output Power | 0dBm [Class 1 Laser] |
| Receiver Sensitivity | -20dBm |
| Fiber Compatibility | Single-mode |
| Optical Connector Type | opticalICON DUO, SMPTE 304M |
Power Supply
| Power Input, Base IEC320, | Universal Input, 50-250VAC, 50-801x |
| Power Input, Camera: | |
| Remote Power | Hybrid Fiber Connector, 54 VDC |
| Local Power | Battery Mount (Anton Bauer or V Mount), 11-17 VDC |
Environmental
| Operating Temperature | 0 to 50°C |
| Operating Temperature | 0 to 95%RH, non-condensing. |
Limited Warranty
The FS 900 Triple Studio Camera Interface System is manufactured, warranted, and supported by MultiDyne Video and Fiber Optic Systems, and distributed in North America by JVCKENWOOD USA Corporation. It has a two-year warranty for parts and labor from the date of invoice.
Please review additional warranty terms at www.multidyne.com, located in the terms of sale. A hard copy will be provided promptly and free of charge upon request.
To obtain service or for further information, please contact:
MultiDyne Electronics Inc.,
10 Newton Place.
Hauppauge, NY 11788
Toll free: 877-685-8439
Tel: 516-671-7278
E-mail: sales@multidyne.com
Website: www.multidyne.com
EU JVC Service Contacts
Importer (EU only)
JVCKENWOOD U.K. Limited
12 Priestley Way, London NW2 79A, UNITED KINGDOM
Importer (EU only)
JVCKENWOOD Belgium N.V.
JVCKENWOOD Europe B.V. Succursale France
7 Allée des Barbarniers CS10033 92632 GENNEVILLIERS CEDEX

FS-900 Triple Studio Camera Interface System is manufactured, warranted and supported by MultiDyne Video and Fiber Optic Systems, and distributed in North America by JVCKENWOOD USA Corporation. It has two years warranty for Parts and Labor from date of Invoice.