Allied Telesis XEM-STK Kurulum Kılavuzu - Sayfa 8

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XEM-12S 100/1000BASE-X SFP Ports

The XEM-12S 12-port 100/1000BASE-X expansion module features:

■

two rows of 6 SFP ports

■

LEDs showing port status

■

32MBytes of DDR SDRAM for packet buffering

■

support for hot-swappable SFP transceiver modules

■

NEBS compliant

Front view XEM-12S

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

LED

State

SFP

Green

Green flashing

Amber

Amber flashing

Off

Description

An SFP transceiver is installed and a link has

been established.

An SFP transceiver is installed and link

activity is occurring.

An SFP transceiver is installed but a link has

not been established.

An SFP is installed but there is a fault.

An SFP is not installed.

Installation Guide