Allied Telesis AlliedWare Plus AT-GS980M/52, Installation Manual, Page: 24 / 94

Chapter 1: Overview
24
The twisted pair ports on the AT-GS980M/52PS Switch have two LEDs.
The LEDs are shown in Figure 5.
Figure 5. LEDs for the Twisted Pair Ports on the AT-GS980M/52PS
Switch
The states of the port LEDs are described in Table 3 on page 25.
Flashing Amber The port is transmitting or receiving
packets at 10 or 100Mbps.
Off Possible causes of this state are listed
here:
- The port has not established a link with
another network device.
- The LEDs are turned off. To turn on the
LEDs, use the eco-friendly button.
Duplex Mode LED
Solid Green The port is operating in full-duplex mode.
Solid Amber The port is operating in half-duplex mode.
Flashing Amber The port is encountering collisions in half-
duplex mode.
Table 2. LEDS for the Twisted Pair Ports on the AT-GS980M/52 Switch
State Description
Speed/Activity
PoE
Speed/Activity
PoE