
Panel Explanation
Power
Kensington Security Slot
© 2021 TP-Link
7106509199 REV1.0.1
Installation Guide
5/8-Port 2.5G Multi-Gigabit Desktop Switch
Note:
For simplicity, we will take TL-SG105-M2 for example in this Guide.
Port LED
On: Power on
O: Power o
Secure the lock (not
provided) into the slot to
prevent the device from
being stolen.
When one of the LED is on/ashing
On: Connecting to a device but no activity
Flashing: Transmitting or receiving data
Left LED (2.5G)
Green: Running at 2.5 Gbps
Flashing: Transmitting or receiving data
Right LED (1G/100M)
Green: Running at 1 Gpbs
Yellow: Running at 100 Mbps
Flashing: Transmitting or receiving data
Connection
Internet
Ethernet Ports
Power Adapter
2.5G 1G/100M
Router
LAN PortWAN Port
Devices
2.5G NAS/Ser ver 2.5G Gaming
*Wit h a USB to 2.5G Et hernet ad apter, you ca n enjoy the E thernet u p to 2.5 Gbps o n your lapto p.
Computer
2.5G
Wi-Fi 6 AP
Laptop*

Specications
Frequently Asked Questions (FAQ)
General Specications
Standard
Protocol
Network Media (Cable)
Interface
MAC Address Table
Switching Capacity
Transfer Method
MAC Address Learning
Advanced Features
Frame Forward Rate
Wall mountable
Distance bewteen
mounting holes
IEEE802.3, IEEE802.3u, IEEE802.3ab,
IEEE802.3bz, IEEE802.3x, IEEE802.1p
CSMA/CD
100Base-TX: UTP category 5 cable or above (max. 100 m)
1000Base-T: UTP category 5e cable or above (max. 100 m)
2.5GBase-T: UTP category 5e cable or above (max. 100 m)
5/8 100 Mbps/1 Gbps/2.5 Gbps Auto-Negotiation RJ45 Ports
16K
TL-SG105-M2: 25 Gbps
TL-SG108-M2: 40 Gbps
Store-and-Forward
Automatically learning, automatically aging
QoS (802.1p/DSCP Priority), 802.3x ow control
100Base-TX: 148810pps/Port
1000Base-T: 1488095pps/Port
2.5GBase-T: 3720238pps/Port
Ye s
150 mm
Q1. The Power LED is not lit.
The Power LED should be lit when the power system is working normally. If the Power LED
is not lit, check as follows:
A1:
Make sure the power adapter is connected to the switch with power source properly.
A2:
Make sure the voltage of the power supply meets the requirements of the input voltage
of the switch.
A3:
Make sure the power source is ON.
Q2. The right and left LED are not lit when a device is
connected to the corresponding port.
It is recommended that you check the following items:
A1:
Make sure that the cable connectors are rmly plugged into the switch and the device.
A2:
Make sure the connected device is turned on and works normally.
A3:
The cable must be less than 100 meters long (328 feet).
Environmental and Physical Specications
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
EU declaration of conformity
TP-Link hereby declares that the device is in compliance with the essential requirements
and other relevant provisions of directives (EU)2015/863, 2014/30/EU, 2014/35/EU,
2009/125/EC and 2011/65/EU.
The original EU declaration of conformity may be found at https://www.tp-link.com/en/ce.
0˚C to 40˚C (32˚F to 104˚F)
-40˚C to 70˚C (-40˚F to 158˚F)
10% to 90% RH non-condensing
5% to 90% RH non-condensing
To ask questions, find answers, and communicate with TP-Link users
or engineers, please visit https://community.tp-link.com to join
TP-Link Community.
For technical support and other information, please visit
https://www.tp-link.com/support, or simply scan the QR code.
If you have any suggestions or needs on the product guides,
welcome to email techwriter@tp-link.com.cn.
Safety Information
Keep the device away from water, re, humidity or hot environments.
Do not attempt to disassemble, repair, or modify the device. If you need service,
please contact us.
Do not use damaged charger or USB cable to charge the device.
Do not use any other chargers than those recommended.
Adapter shall be installed near the equipment and shall be easily accessible.
The plug on the power supply cord is used as the disconnect device, the socket-outlet
shall be easily accessible.
Please read and follow the above safety information when operating the device. We
cannot guarantee that no accidents or damage will occur due to improper use of the
device. Please use this product with care and operate at your own risk.