ADTRAN 1200080L1#HS Manual do Utilizador descarregar pdf (Página 33)

Appendix B. Signaling States Vs. Mode of Operation

61200.080L1-1 FXS+ Dual Voice Option Module 29

Appendix B

Signaling States

SIGNALING STATES VS. MODE OF OPERATION

The four tables in this appendix describe the signaling

states for voice card and the DS-1 PCM stream.

Ground start signaling is not used in PLAR mode. See

Table B-A.

Table B-A

PLAR Mode

FXS+ FXS+

2W Input RX A RX B TX A TX B 2W Output

Loop Open X X 1 1 -

Loop Closed X X 0 0 -

Loop Open 1 1 1 1 No Ringing

Loop Open 0 X 1 1 Ringing

Loop Closed 0 X 0 0 No Ringing

The A and B signal bit states on the DS-1 signal are as

follows:

0 = logic 0 is the DS-1 stream

1 = logic 1 is the DS-1 stream

X = value is not significant

Loop Open = phone on-hook

Loop Closed = phone off-hook

1 2 ... 28 29 30 31 32 33 34 35 36 37 38

Sem comentários

ADTRAN 1200080L1#HS Manual do Utilizador Página 33