Raisecom RC953-8FE16E1 Manuel d'utilisateur télécharger pdf (Page 19)

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9. Appendix B: Abbreviations

EoPDH

Ethernet over PDH

PDH

Pseudo-synchronous Digital Hierarchy

FAS

Frame Alignment Signaling

LOS

Loss of Signal

LOF

Loss of Frame

AIS

Alarm Indication Signal

CRC

Cyclic Redundancy Check

LER

Local Error Alarm: including AIS, LOF and CRC alarms.

RAL

Remote Alarm: including LOS, AIS, LOF and CRC alarms.

PAT

Pattern: indicates whether BERT function is started

Signal Detect

GID

Group Identification: E1 links belong to one transmission channel have the same

ID.

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Raisecom RC953-8FE16E1 Manuel d'utilisateur Page 19