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.
Q1. The Power LED is not lit.
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).
Frequently Asked Questions (FAQ)
Specications
General Specications
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
TL-SG105S-M2: 25 Gbps
TL-SG108S-M2: 40 Gbps
Store-and-Forward
Automatically learning, automatically aging
100Base-TX: 148810pps/Port
1000Base-T: 1488095pps/Port
2.5GBase-T: 3720238pps/Port
Yes
TL-SG105S-M2: 52 mm
TL-SG108S-M2: 110 mm
Standard
Protocol
Interface
Transfer Method
MAC Address Learning
Frame Forward Rate
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.
For technical support and other information, please visit
https://www.tp-link.com/support, or simply scan the QR code.
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.
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.
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.
Network Media (Cable)
Switching Capacity
Wall mountable
Distance bewteen
mounting holes
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Environmental and Physical Specications
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
UK declaration of conformity
TP-Link hereby declares that the device is in compliance with the essential requirements and
other relevant provisions of the Electromagnetic Compatibility Regulations 2016 and Electrical
Equipment (Safety) Regulations 2016.
The original UK declaration of conformity may be found at https://www.tp-link.com/support/ukca/
