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Expansion Modules
XEM-STK Stacking Ports
The XEM-STK dual-port stacking expansion module features:
■
two 15Gbps 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
Port 1
Port 2
Status
ID
10
SELECT
PORT 1
MASTER
MEMBER
STAT
State
Green
Amber slow flashing
Green
Amber
Green flashing
Off
1 to 8
Off
STATUS
ID
STACK
PORT 2
NEGOTIATING
LINK
PORT
Description
A link has been established.
The link has a transmission fault.
The switch is the stack master.
The switch is a stack member.
The switch is in the process of learning
the stack topology and selecting the
stack master.
The switch is not a stack member.
Numeric ID of the stack member.
The switch is not a stack member.
FAULT