Troubleshooting, Technical specifications, The power light is not lit – NETGEAR 10/100/1000 Mbps Gigabit Ethernet GS108 User Manual

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The Power light is not lit

The switch has no power.

Make sure the power cord is properly connected to the switch.

Make sure the power adapter is properly connected to a functioning power outlet. If it’s in
a power strip, make sure the power strip is turned on. If the socket is controlled by a light
switch, make sure the switch is in the on position.

Make sure you are using the NETGEAR power adapter supplied with your switch.

The Port number light is not lit for a connected device or
stays on continuously

There’s a hardware connection problem.

Make sure the cable connectors are securely plugged in at the switch and the device.

Make sure the connected device is turned on.

If the Ethernet cable is connected to a NIC or other Ethernet adapter, make sure the card
or adapter is installed correctly and is working.

Make sure the cable is less than 328 feet (100 meters).

Technical Specifications

Standards Compatibility:

IEEE 802.3i 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet,
1000BASE-T Gigabit Ethernet
IEEE 802.3x Flow Control; compatible with Windows


, Mac





, Linux


Network Interface:

RJ-45 connector for 10BASE-T, 100BASE-TX, or 1000BASE-T Ethernet interface


17.5 W max and 5 V @ 5A DC input

Physical Dimensions:

W: 287 mm (11.29") D: 100 mm (3.93") H: 25mm (0.98")


0.9 kg (1.98 lbs)

Operating Temperature:

0 to 40° C (32 to 104° F)

Operating Humidity:

10% t0 90% relative humidity, non-condensing

Electromagnetic Compliance:

CE mark, Commercial; FCC Part 15, Class A; EN 55 022 (CISPR 22), C-Tick

Safety Agency Approvals for
the Power Adapter:

CE mark, Commercial UL listed (UL 1950), TUV licensed (EN 60950), C-Tick

Performance Specifications

Frame Filter Rate:

14,800 frames/sec max for 10M port / 148,800 frames/sec max for
100M port/1,488,000 frames/sec for 1000M port

Frame Forward Rate:

14,800 frames/sec max for 10M port / 148,800 frames/sec max for
100M port / 1,488,000 frames/sec max for 1000M port

Network Latency:

100 Mbps to 100 Mbps: 40 µs max

(using 64-byte packets)

1000 Mbps to 1000 Mbps: 10 µs max

Address Database Size:

8000 MAC addresses


48-bit MAC address

Queue Buffer:

32 kilobytes per port