User manual

Maintenance
33002479 06 07/2008 331
Collision LED
Error
If the twisted pair cable has not been connected properly, the Coll LED will shine
steadily and the Link LED will be extinguished. (This condition does not occur with
fiber optic modules.)
The following figure shows the Collision LED.
Procedure for
Responding to a
Collision LED
Error
If the Collision LED fails to light, use the following procedure.
Ready
Coll
ETHERNET TCP/IP
Active
140
NOE 771 xx
Link
Step Action
1 Make sure that the cable has been installed and is working properly.
2 Verify that the Ethernet Hub/Switch is working properly.