Juniper Networks M20 - Manual (Page 27)

■ Far-end block error (FEBE)
■ Parity bit (P-bit) disagreements
■ Path priority error
■ Alarm indication signal (AIS)
■ Loss of signal (LOS)
■ Out of frame (OOF)
■ Yellow alarm
■ AIS received
■ Simultaneous BERT functionality
■ Idle received
■ Local and remote loopback
Alarms, errors, and
events
Multichannel DS3 PIC ■ 27
Multichannel DS3 PIC