Allied-telesis AT-2973T (NetExtreme II) Uživatelský manuál stáhnout pdf (Strana 21)

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

Physical Descriptions

This section provides descriptions of the AT-2973SX and AT-2973T

faceplates and LEDs.

AT-2973SX

Adapter Physical

Description

The faceplate on the AT-2973SX adapter provides two fiber optic

connectors for attaching the adapter to a compatible link partner. See

Figure 3 for an illustration of the adapter’s faceplate.

The AT-2973SX adapter has two fiber ports and two LEDs per port, as

shown in Figure 3 and described in Table 1. The state of the network link

and activity is indicated by a single LED located adjacent to the port

connector.

Figure 3. AT-2973SX Faceplate

For fiber optic Ethernet connections, see Table 1.

Table 1. 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

illuminated

Link

Activity LED Off No network activity

Blinking No network activity

1699

100

ACT LNK

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 135 136

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Allied-telesis AT-2973T (NetExtreme II) Uživatelský manuál Strana 21