Allied Telesis x900 Series Switch and SwitchBlade x908 Expansion Module - Manual (Page 17)

Installation Guide
17
XEM-12T 10/100/1000 BASE-T RJ-45 Ports
The XEM-12 T 12-port RJ-45 expansion module features:
■ two rows of 6 RJ-45 ports
■ gigabit ports that support speeds of 10/100/1000 Mbps
■ LEDs showing port status
■ cable fault detection and distance-to-fault diagnostics on switches running
the AlliedWare® operating system (see the Test Facility chapter in the
Software Reference for the switch)
Front view XEM-12 T
The following LEDs report operations and faults on the XEM-12 T.
LED State Description
L/A
(Link Activity)
Green A 1000 Mbps link has been established.
Green
flashing 1000 Mbps activity is occurring.
Amber A 10/100 Mbps link has been established.
Amber
flashing 10/100 Mbps activity is occurring.
Off A link has not been established.
D/C
(Duplex/
Collision)
Green The port is operating in full duplex mode.
Amber The port is operating in half duplex mode.
Amber
flashing Collisions are occurring.
XEM-12T
XEM_IG.fm Page 17 Wednesday, May 30, 2012 9:24 AM