Allied Telesis XEM-STK Kurulum Kılavuzu - Sayfa 10

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XEM-12T 10/100/1000BASE-T RJ-45 Ports

The XEM-12T 12-port RJ-45 expansion module features:

■

two rows of 6 RJ-45 ports

■

gigabit ports that support speeds of 10/100/1000Mbps

■

LEDs showing port status

■

32MBytes of DDR SDRAM for packet buffering

■

cable fault detection and distance-to-fault diagnostics on switches running

the AlliedWare operating system (see the Test Facility chapter in the Software

Reference for the switch)

Front view XEM-12T

The following LEDs report operations and faults on the XEM-12T.

LED

State

L/A

Green

(Link Activity)

Green flashing

Amber

Amber flashing 10/100Mbps activity is occurring.

Off

D/C

Green

(Duplex/

Amber

Collision)

Amber flashing Collisions are occurring.

Description

A 1000Mbps link has been established.

1000Mbps activity is occurring.

A 10/100Mbps link has been established.

A link has not been established.

The port is operating in full duplex mode.

The port is operating in half duplex mode.

Installation Guide