■Two versions:
■Four RJ-48 connectors (one per port)
■Four coaxial connectors
■Custom 10-ft (3.05-m) posilock to BNC male cable, separate Rx and Tx
Cables and connectors
One tricolor per port:
■Off—Not enabled
■Green—Online with no alarms or failures
■Amber—Online with alarms for remote failures
■Red—Active with a local alarm; router has detected a failure
LEDs
■Alarm indication signal (AIS)
■Bipolar violations
■Excessive zeros
■Far-end block errors (FEBE, E-bit errors)
■Loss of frame (LOF), Loss of signal (LOS)
■Local and remote loopback diagnostics
■Yellow alarm bit (X-bit) disagreements
Alarms, errors, and
events
E1 PIC ■39
E1 PIC