Installation Guide
7
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
Description
SFP
Green
An SFP transceiver is installed and a link has
been established.
Green flashing
An SFP transceiver is installed and link
activity is occurring.
Amber
An SFP transceiver is installed but a link has
not been established.
Amber flashing
An SFP is installed but there is a fault.
Off
An SFP is not installed.
XEM-12S
XEM_IG.fm Page 7 Monday, July 23, 2007 3:19 PM
