GTL2661 - Switch LEVELONE - Free user manual and instructions

Product Type	Managed Gigabit Network Switch
Brand	LevelOne
Model	GTL2661
Dimensions (approx.)	440 x 200 x 44 mm (19-inch rack mount)
Weight (approx.)	2.5 kg
Power Supply	AC 100-240 V, 50/60 Hz
Operating Temperature	0 °C to 50 °C
Operating Humidity	10% to 90% non-condensing
Number of Ports	26 Gigabit ports (24 RJ-45 + 2 SFP)
Default IP Address	192.168.1.1
Default Credentials	admin / admin
Key Features	Web interface management, VLAN, QoS, link aggregation, security
Mounting	19-inch rack mount or desktop
Included Accessories	Quick installation guide, CD-ROM, console cable, power cord, L-brackets
Maintenance and Cleaning	Disconnect before cleaning; use a dry, non-abrasive cloth
Safety	Avoid heat sources, humidity, and electromagnetic interference
Spare Parts and Reparability	Contact local dealer for any replacement
Standards	CE, EN 55032, EN 55024

Frequently Asked Questions - GTL2661 LEVELONE

How to access the switch configuration interface?

Connect via a browser to address 192.168.1.1. The default credentials are admin for username and admin for password.

What to do if the default IP address does not work?

Check that your computer is on the same subnet (IP address between 192.168.1.2 and 192.168.1.254). Use a direct Ethernet cable. If you have changed the IP, perform a factory reset by holding the Reset button for 10 seconds.

How to configure VLANs on the GTL2661?

Log into the web interface. Go to the VLAN section. You can create 802.1Q VLANs, assign ports, and configure the VLAN ID (PVID) for each port.

Can I use SFP cables for fiber connections?

Yes, the GTL2661 has two SFP (mini-GBIC) slots compatible with 1000Base-SX/LX modules. Make sure to use standard modules.

How to reset the switch to factory settings?

Hold the Reset button on the front for about 10 seconds until the LEDs flash. The device will restart with default configuration.

The power LED does not light up, what to do?

Check the power cord and the electrical outlet (100-240V). Ensure the power switch is in the 'ON' position. If the problem persists, the power supply may be defective.

How to mount the switch in a rack?

Attach the two provided L-brackets to the sides of the switch with screws. Slide the switch into the rack and screw the brackets to the mounting rails. Ensure the rack is stable and grounded.

What is the method to update the firmware?

Download the latest firmware from the LevelOne website. Log into the web interface, go to Maintenance > Firmware Update, select the file and click Update. Do not cut power during the operation.

How to clean the switch?

Disconnect the device. Use a dry non-abrasive cloth to wipe the surface. Do not use chemicals or water.

What to do in case of malfunction or configuration loss?

Try to reset the device (Reset button). If the problem persists, check cables and connections. Refer to the installation guide provided on the CD-ROM. Contact LevelOne support if needed.

USER MANUAL GTL2661 LEVELONE

level® one

GTL-2661

26-Port L2 Managed Gigabit Switch

Quick Installation Guide

English

Deutsch

Français

Español

Italiano

Português

Table of Content

English 2 -

Deutsch....- 6 -

Français ....- 10 -

Español....- 14 -

Italiano - 18 -

This Quick Installation Guide only describes the most basic situations and settings. All detailed information is described in the user manual.

English

Package Contents

This product is provided with the following accessories in the box; please check them carefully. If any of the accessories is missing or damaged, please contact with your local dealer timely.

Serial number	Name	Quantity	Note
1	Master unit	1	Required
2	Power cord	1	Required
3	Quick Installation Guide	1	Required
4	L-shaped bracket and other	1	Required
5	CD-ROM with Manual and QIG	1	Required
6	Console Cable	1	Required

1. Preparing for installation

For smooth installation, please prepare the following items:

● Installation tools, including: Phillips screwdriver, anti static wrist strap, etc.
- Connecting cables, such as network cable, optical fiber, optical fiber module, etc.
● Related devices, such as electrical outlets, HUB, switch, router, etc.

!

The installation environment for the switch must meet the following requirements:

1. The switch must avoid direct sunlight, away from heat and sources of strong electromagnetic interference.
2. The switch must be placed in a cool, dry place, and there should be enough gap for heat dissipation all around for the purpose of ventilation and heat dissipation.
3. The switch must work in the indoor environment with a temperature of 0 °C\~50 °C and humidity of 10%\~90% without condensation.

2. Equipment Installation

■ It is installed in the rack

Install the switch on a 19-inch standard rack, and the installation steps are as follows:

1. Check the grounding and stability of the rack;
2. Install the two L-shaped brackets in the accessories on both sides of the switch panel, and fix them with the screws in the accessories;
3. Place the switch in the appropriate location of the rack, and support it using a tray;
4. Secure the L-shaped brackets on the guide slots fixed at both ends of the rack, to ensure that the switch can be mounted on the rack in a stable, horizontal manner;
5. Use a power cord to connect the switch power connector with the power socket.

Line drawing of a server rack with multiple ports and connectors (no text or symbols)

■ Installed on the working table

Install the switch on a working table, and the installation steps are as follows:

1. Place the switch with its bottom up on a sufficiently large, stable and properly-grounded working table;
2. Remove the adhesive protective paper from the foot pad, and stick the 4 pads in the 4 round slots at the bottom of the casing respectively;
3. Flip over the switch, and place it on the working table stably;
4. Use a power cord to connect the switch power connector with the powersocket.

Illustration of a network switch device with multiple ports and connections (no text or symbols visible)

!

1. The switch uses 100-240V, 50/60Hz AC, and make sure that both power supply and grounding are normal before power on.
2. After power on, please check the switch's power indicator (Power) is on, and if so, it indicates that

the power supply is connected properly.

1. Do not place heavy objects on the top of the switch.

3. Logging on to the equipment

1. Connect the RJ-45 interface cable of a switch with a computer using a network cable.
2. Set the TCP/IP properties of the computer, see the Appendix: Setting up your computer.
3. Logging on to the equipment: Open a browser and type 192.168.1.1 in the address bar, and then press Enter; in the pop-up login interface, enter the factory logon username "admin", password "admin" and click OK.

Switch Web Management (1366X768 is recommended) - Windows Internet Explorer http://192.168.1.1/ File Edit View Favorites Tools Help

Web Login User Name Password Login

Appendix: Setting up your computer

■ Windows

1. Click Start—> Control Panel—> Network and Internet—> Network and Sharing Center—> Change adapter settings, right click Local connection and select Properties;

Local Area Connection Network Realtek RTL8 Disable Status Diagnose Bridge Connections Create Shortcut Delete Rename Properties

2. Double-click Internet Protocol 4 (TCP/IPv4);

Local Area Connection Properties Networking Connect using: Realtek RTL8168B/8111B Family PCI-E Gigabit Ethernet Configure... This connection uses the following items: Client for Microsoft Networks QoS Packet Scheduler File and Printer Sharing for Microsoft Networks Internet Protocol Version 6 (TCP/IPv6) Internet Protocol Version 4 (TCP/IPv4) Link-Layer Topology Discovery Mapper I/O Driver Link-Layer Topology Discovery Responder Install... Uninstall Properties Description Transmission Control Protocol/Internet Protocol. The default wide area network protocol that provides communication across diverse interconnected networks. OK Cancel

Internet Protocol Version 4 (TCP/IPv4) Properties General You can get IP settings assigned automatically if your network supports this capability. Otherwise, you need to ask your network administrator for the appropriate IP settings. Obtain an IP address automatically Use the following IP address: IP address: 192 . 168 . 1 . 2 Subnet mask: 255 . 255 . 255 . 0 Default gateway: . Obtain DNS server address automatically Use the following DNS server addresses: Preferred DNS server: . Alternate DNS server: . Validate settings upon exit Advanced... OK Cancel

1. Set the computer's IP address: The computer's IP address should be any one of the following free IP addresses 192.168.1.2 \~ 192.168.1.254, and then click OK, to return to the previous page, click OK.

Deutsch

Lieferumfang

Line drawing of a server rack with multiple ports and connectors (no text or symbols)

Illustration of a network switch device with multiple ports and ventilation slots (no text or symbols)

Switch Web Management (1366X768 is recommended) - Windows Internet Explorer http://192.168.1.1/ File Edit View Favorites Tools Help

Web Login User Name Password Login

Local Area Connection Network Realtek RTL8 Disable Status Diagnose Bridge Connections Create Shortcut Delete Rename Properties

Local Area Connection Properties Networking Connect using: Realtek RTL8168B/8111B Family PCI-E Gigabit Ethernet Configure... This connection uses the following items: Client for Microsoft Networks QoS Packet Scheduler File and Printer Sharing for Microsoft Networks Internet Protocol Version 6 (TCP/IPv6) Internet Protocol Version 4 (TCP/IPv4) Link-Layer Topology Discovery Mapper I/O Driver Link-Layer Topology Discovery Responder Install... Uninstall Properties Description Transmission Control Protocol/Internet Protocol. The default wide area network protocol that provides communication across diverse interconnected networks. OK Cancel

Internet Protocol Version 4 (TCP/IPv4) Properties General You can get IP settings assigned automatically if your network supports this capability. Otherwise, you need to ask your network administrator for the appropriate IP settings. Obtain an IP address automatically Use the following IP address: IP address: 192 . 168 . 1 . 2 Subnet mask: 255 . 255 . 255 . 0 Default gateway: . Obtain DNS server address automatically Use the following DNS server addresses: Preferred DNS server: . Alternate DNS server: . Validate settings upon exit Advanced... OK Cancel

Line drawing of a server rack with multiple ports and connectors (no text or symbols)

Illustration of a network switch device with multiple ports and indicator lights (no text or symbols)

Switch Web Management (1366X768 is recommended) - Windows Internet Explorer http://192.168.1.1/ File Edit View Favorites Tools Help

Web Login User Name Password Login

Local Area Connection Network Realtek RTL8 Disable Status Diagnose Bridge Connections Create Shortcut Delete Rename Properties

2. Double-cliquez sur Internet Protocol 4 (TCP/IPv4);

Local Area Connection Properties Networking Connect using: Realtek RTL8168B/8111B Family PCI-E Gigabit Ethernet Configure... This connection uses the following items: ✓ Client for Microsoft Networks ✓ QoS Packet Scheduler ✓ File and Printer Sharing for Microsoft Networks ✓ Internet Protocol Version 6 (TCP/IPv6) ✓ Internet Protocol Version 4 (TCP/IPv4) ✓ Link-Layer Topology Discovery Mapper I/O Driver ✓ Link-Layer Topology Discovery Responder Install... Uninstall... Properties Description Transmission Control Protocol/Internet Protocol. The default wide area network protocol that provides communication across diverse interconnected networks. OK Cancel

Internet Protocol Version 4 (TCP/IPv4) Properties General You can get IP settings assigned automatically if your network supports this capability. Otherwise, you need to ask your network administrator for the appropriate IP settings. Obtain an IP address automatically Use the following IP address: IP address: 192 . 168 . 1 . 2 Subnet mask: 255 . 255 . 255 . 0 Default gateway: . Obtain DNS server address automatically Use the following DNS server addresses: Preferred DNS server: . Alternate DNS server: . Validate settings upon exit Advanced... OK Cancel

Line drawing of a server rack unit with multiple ports and connectors (no text or symbols)

Front view of a network switch device with multiple ports and indicator lights (no visible text or labels)

Switch Web Management (1366X768 is recommended) - Windows Internet Explorer http://192.168.1.1/ File Edit View Favorites Tools Help

Web Login User Name Password Login

Local Area Connection Network Realtek RTLE Disable Status Diagnose Bridge Connections Create Shortcut Delete Rename Properties

2. Haga doble clic en Protocolo de Internet 4 (TCP/IPv4);

Local Area Connection Properties Networking Connect using: Realtek RTL8168B/8111B Family PCI-E Gigabit Ethernet Configure... This connection uses the following items: ✓ Client for Microsoft Networks ✓ QoS Packet Scheduler ✓ File and Printer Sharing for Microsoft Networks ✓ Internet Protocol Version 6 (TCP/IPv6) ✓ Internet Protocol Version 4 (TCP/IPv4) ✓ Link-Layer Topology Discovery Mapper I/O Driver ✓ Link-Layer Topology Discovery Responder Install... Uninstall Properties Description Transmission Control Protocol/Internet Protocol. The default wide area network protocol that provides communication across diverse interconnected networks. OK Cancel

Internet Protocol Version 4 (TCP/IPv4) Properties General You can get IP settings assigned automatically if your network supports this capability. Otherwise, you need to ask your network administrator for the appropriate IP settings. Obtain an IP address automatically Use the following IP address: IP address: 192 . 168 . 1 . 2 Subnet mask: 255 . 255 . 255 . 0 Default gateway: . Obtain DNS server address automatically Use the following DNS server addresses: Preferred DNS server: . Alternate DNS server: . Validate settings upon exit Advanced... OK Cancel

Line drawing of a server rack unit with multiple ports and connectors (no text or symbols)

Illustration of a network switch device with multiple ports and indicator lights (no text or symbols)

!

Switch Web Management (1366X768 is recommended) - Windows Internet Explorer http://192.168.1.1/ File Edit View Favorites Tools Help

Web Login User Name Password Login

Local Area Connection Network Realtek RTL8 Disable Status Diagnose Bridge Connections Create Shortcut Delete Rename Properties

Local Area Connection Properties 82 Networking Connect using: Realtek RTL816BB/8111B Family PCI-E Gigabit Ethernet Configure... This connection uses the following items: ✓ Client for Microsoft Networks ✓ QoS Packet Scheduler ✓ File and Printer Sharing for Microsoft Networks → Internet Protocol Version 6 (TCP/IPv6) → Internet Protocol Version 4 (TCP/IPv4) → Link-Layer Topology Discovery Mapper I/O Driver → Link-Layer Topology Discovery Responder Install... Uninstall Properties Description Transmission Control Protocol/Internet Protocol. The default wide area network protocol that provides communication across diverse interconnected networks. OK Cancel

Internet Protocol Version 4 (TCP/IPv4) Properties General You can get IP settings assigned automatically if your network supports this capability. Otherwise, you need to ask your network administrator for the appropriate IP settings. Obtain an IP address automatically Use the following IP address: IP address: 192 . 168 . 1 . 2 Subnet mask: 255 . 255 . 255 . 0 Default gateway: . Obtain DNS server address automatically Use the following DNS server addresses: Preferred DNS server: . Alternate DNS server: . Validate settings upon exit Advanced... OK Cancel

Line drawing of a network switch device with multiple ports and connectors (no text or symbols)

Illustration of a network switch device with multiple ports and connections (no text or symbols)

!

Switch Web Management (1366X768 is recommended) - Windows Internet Explorer http://192.168.1.1/ File Edit View Favorites Tools Help

Web Login User Name Password Login

Local Area Connection Network Realtek RTLE Disable Status Diagnose Bridge Connections Create Shortcut Delete Rename Properties

Local Area Connection Properties Networking Connect using: Realtek RTL81688/8111B Family PCI-E Gigabit Ethernet Configure... This connection uses the following items: ✓ Client for Microsoft Networks ✓ QoS Packet Scheduler ✓ File and Printer Sharing for Microsoft Networks ✓ - Internet Protocol Version 6 (TCP/IPv5) ✓ - Internet Protocol Version 4 (TCP/IPv4) ✓ - Link-Layer Topology Discovery Mapper I/O Driver ✓ - Link-Layer Topology Discovery Responder Install... Uninstall Properties Description Transmission Control Protocol/Internet Protocol. The default wide area network protocol that provides communication across diverse interconnected networks. OK Cancel

Internet Protocol Version 4 (TCP/IPv4) Properties General You can get IP settings assigned automatically if your network supports this capability. Otherwise, you need to ask your network administrator for the appropriate IP settings. Obtain an IP address automatically Use the following IP address: IP address: 192 . 168 . 1 . 2 Subnet mask: 255 . 255 . 255 . 0 Default gateway: . Obtain DNS server address automatically Use the following DNS server addresses: Preferred DNS server: . Alternate DNS server: . Validate settings upon exit Advanced... OK Cancel

Declaration of Conformity

We, the undersigned, Digital Data Communications GmbH

Address Hohe Straße 1, 44139 Dortmund, Germany

Certify and declare under our sole responsibility that the following apparatus

Type Ethernet switch

Brandname LevelOne

Product GTL-2661

Conforms with the essential requirements of the EMC Directive 2014/30/EU based on the following specifications applied:

■ EN 55032:2012 + AC:2013, Class A
■ AS/NZS CLSPR 32:2013, Class A
CISPR 32:2012, Class A
■ EN 61000-3-2:2014, Class A
■ EN 61000-3-3:2013
■ EN 550242:2010+A1:2015
■ EN 61000-4-2:2009 / IEC 61000-4-2:2008 ED. 2.0
■ EN 61000-4-3:2006 +A1:2008 +A2:2010 / IEC 61000-4-3:2010 ED. 3.2
■ EN 61000-4-4:2012 / IEC 61000-4-4:2012 ED. 3.0
■ EN 61000-4-5:2014 / IEC 61000-4-5:2014 ED. 3.0
■ EN 61000-4-6:2014 / IEC 61000-4-6:2013 ED. 4.0
■ EN 61000-4-8:2010 / IEC 61000-4-8:2009 ED. 2.0
■ EN 61000-4-11:2004 / IEC 61000-4-11:2004 ED. 2.0

and therefore complies with the essential requirements and provisions of the EMC Directive.

CE

The symbol confirms that this product conforms to the above named standards and regulations.

Amanda(Shu-Wen) Chen

Name (Full Name)

2017/12/4

Date

Geschäftsführerin Title/Department Legal Signature

CE

Legal Signature

CE