Allied Telesis AT-2973SX manual AT-2973T/4 Adapter Physical Description, AT-2973T/4 Faceplate

AT-2973SX, AT-2973T, and AT-2973T/4 NetExtreme II Family Adapters Installation and User’s Guide

AT-2973T/4 Adapter Physical Description

The faceplate on the AT-2973T/4 adapter provides four twisted-pair connectors for attaching the adapter to a compatible link partner. The ports numbers are not shown on the card. See Figure 6 for the port numbers and the LED assignments. When the adapter is mounted vertically, the top LED is the Link LED and the bottom LED is the activity (ACT) LED.

LINK ACT

LNK

PORT 1

PORT 2 ACT PORT 3

PORT 4

Figure 6. AT-2973T/4 Faceplate

ATI

For copper-wire Ethernet connections, the state of the network link and activity is indicated by the LEDs on the RJ-45 connector, as described in Table 3.

Table 3. Network Link and Activity Indicated by the RJ-45 Port LEDs

Port LED	LED Appearance	Network State
Link LED	Off	No link (cable disconnected)
	Continuously	Link
	illuminated
Activity LED	Off	No network activity
	Blinking	Network activity

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