Alarms

CAS extension interface can generate the following fault codes:

268

Digital trunk - out of order

269

Digital trunk - loss of frame synchronization.

270

Digital trunk - bit error in frame sync. word.

271

Digital trunk - received alarm from remote end.

272

Digital trunk - loss of multi-frame synchronization.

274

Digital trunk - clock malfunction (slip).

Special fault codes for 1.5Mb interface can also be generated:

310

ISDN excessive bipolar violation

311

ISDN failed signal state

312

Loss of signal

313

ISDN Excessive out of frame