Allied-telesis x900 Series Switch and SwitchBlade x908 Expansion Uživatelský manuál stáhnout pdf (Strana 24)

Expansion Modules

XEM-STK Stacking Ports

The XEM-STK dual-port stacking expansion module features:

■ two 15 Gbps full duplex stacking connections

■ LEDs showing port and stack member status

■ seven-segment stack ID display

■ recessed Select button to reset stack ID to 1

Front view XEM-STK

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

LED State Description

Port 1

Port 2

Green A link has been established.

Amber slow

flashing

The link has a transmission fault.

Status Green The switch is the stack master.

Amber The switch is a stack member.

Green

flashing

The switch is in the process of learning the stack

topology and selecting the stack master.

Off The switch is not a stack member.

ID 1 to 8 Numeric ID of the stack member.

Off The switch is not a stack member.

PORT 2PORT 1 STACK

SELECT STATUS

XEM-STK

FAULTNEGOTIATING LINK

PORT

STAT

MEMBER MASTER

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Allied-telesis x900 Series Switch and SwitchBlade x908 Expansion Uživatelský manuál Strana 24