3Com 3C63400-3AC-C - PathBuilder S700 Switch Reference Manual page 39

Figure 9 DS3/E3 UNI Module LEDs
1. 2. 3.
Power
Inservice
Fail
Test
Active
LOS
LOF
LOCD
Power
Up
Diagnostic
Running
Power On Test Complete
Good DS3 / E3 / OC3-STM-1
Good ATM Cell Delineation
Step 4: Connect I/O Cabling and Wiring
Slot 1
25
Slot 18