Allied Telesis x900 Series Switch and SwitchBlade x908 Expansion Module - Manual (Page 13)

Installation Guide
13
XEM-12S 100/1000 BASE-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.
LED State Description
SFP Green An SFP transceiver module is installed and a link has
been established.
Green
flashing An SFP transceiver module is installed and link
activity is occurring.
Amber An SFP transceiver module is installed but a link has
not been established.
Amber
flashing An SFP transceiver module is installed but there is a
fault.
Off An SFP transceiver module is not installed.
XEM-12S
XEM_IG.fm Page 13 Wednesday, May 30, 2012 9:24 AM