ADTRAN 1200080L1#HS Manual do Utilizador descarregar pdf (Página 35)

Appendix B. Signaling States Vs. Mode of Operation

61200.080L1-1 FXS+ Dual Voice Option Module 31

See Tables B-C and B-D for descriptions of FXS mode for

signaling states.

Table B-C

FXS+ Mode (Loop-Start)

FXS FXS+

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

(Outgoing call from FXS+)

Loop Open X 1 0 1 No Ringing (Idle)

Loop Closed X 1 1 1 No Ringing

(Incoming call to FXS+)

Loop Open X 0 0 1 Ringing

Loop Closed X 0 1 1 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 ... 30 31 32 33 34 35 36 37 38

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ADTRAN 1200080L1#HS Manual do Utilizador Página 35