Service Mode
SM 5-25 J012/J013/J014
Service
Tables
Bit SW04 Dial registered limit for tel. no.
Visible alarm for RTN (Return To
Negative) signal
Bit Name Function
7 Dial registered limit for tel no. 0: 50 digits, 1: 40 digits
6 Protocol Signal Display Mode 0: No, 1: Yes
5 Reserved
4 Detect dial tone after prefix
number
0: No display
1: Display V.8 or T.30
3
Audible Alarm for RTN signal
0:No
1:Yes (Alarm for TX/RX of RTN signal
2 Reserved
1 Reserved
0 Reserved