Juniper Networks M20 - Manual (Page 15)

■ Alarm Indication Signal (AIS)
■ Bit error rate (BER)
■ Equipment failure (Does not affect service)
■ Excessive zeros (EXZ)
■ Far-end Block Error (FEBE)
■ Frame error
■ Idle code, Idle received
■ Line code violation (LCV)
■ Local and remote loopback
■ Loss of Signal (LOS)
■ Out of Frame (OOF)
■ Parity bit (P-bit) disagreements
■ Path parity error
■ Yellow alarm bit (X-bit) disagreements
Alarms, errors, and
events
Channelized DS3 PIC ■ 15
Channelized DS3 PIC