Allied Telesis NETEXTREME II AT-2973SX - Manual (Page 143)

AT-2973SX, AT-2973T, and AT-2973T/4 NetExtreme II Family Adapters Installation and User’s Guide
143
Checking Port LEDs
To check the state of the network link and activity, see the following
sections:
 “AT-2973SX Adapter Physical Description” on page 17
 “AT-2973T Adapter Physical Description” on page 18
 “AT-2973T/4 Adapter Physical Description” on page 21