Schneider Optics Web Embedded Server - Manual (Page 66)

Maintenance
56 840 USE 115 00 Version 1.0
6.1.7 Collision LED
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.)
Troubleshooting 1. Make sure the cable has been installed properly and is working properly.
2. Verify that the Ethernet hub is functioning properly.
Figure 27 LED Display for Improperly Connected Twisted Pair Cable
Ready
Coll
ETHERNET TCP/IP
Active
140
NOE 211 10
Figure 28 LED Display When Ethernet Collisions Are Occurring
Ready
Link
Run Coll
ETHERNET TCP/IP
Active
140
NOE 211 10