Expansion Modules
10
XEM-12S 100/1000BASE-X SFP Ports
The XEM-12 S 12-port 100/1000BASE-X expansion module features:
■two rows of 6 SFP ports
■LEDs showing port status
■support for hot-swappable SFP transceiver modules
■NEBS compliant
Front view XEM-12 S
The following LEDs report operations and faults on the XEM-12 S.
For the latest list of approved SFP transceiver modules, contact your authorised
Allied Telesis distributor or reseller. See the most current revision available of
the XEM datasheet (document number 617-000034) for further information
about which SFP transceiver modules are approved for use with 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 10 Monday, July 19, 2010 10:40 AM