User manual
APPENDIX 1: S-REGISTER TABLE
S22 01110110 binary Bit Mapped Options
bit 1,0 - speak volume
00 - low
*01 - medium
10 - high
11 - reserved
bit 3,2 - speak control
00 - off
*01 - speaker on until carrier detected
10 - always on
11 - off when dial
bit 6,5,4 - result code and call progress
000 - ATX0 CONNECT without speed
message, blind dial, no busy
tone(Basic Code)
001 - reserved
010 - reserved
011 - reserved
100 - ATX1 CONNECT with speed
message, blind dial, no busy
tone(Dialn Tone)
101 - ATX2 CONNECT with speed
message, wait for dial tone, no busy
tone
110 - ATX3 CONNECT with speed
message, blind dial, check busy
tone(Busy Tone)
*111 - ATX4 CONNECT with speed
message, wait for dial tone, check
busy tone(Dial+Busy Tone)
bit 7 0 - AT&P0 Make/Break ration USA
(39%)
*1 - AT&P1 Make/break ratio UK
(33.3%)
S23 00100001 binary Bit Mapped Options (set / clear)
bit 0 0 - AT&T5 slave RDL disabled
*1 - AT&T4 slave RDL enabled
bit 1 *0 RDL by 140 disable
1 RDL by 140 enable
bit 2 *0 AL by 141 disable
1 AL by 141 enable
bit 3 *0 - AT%A0 basic ASI (-2.5% to +1%)
1 - AT%A1 extended ASI (-2.5% to +2.3%)
bit 5,4 - data length on direct mode
00 - 8 bits (6-N-1)
01 - 9 bits (7-N-1)
*10 - 10 bits (8-N-1)
11 - 11 bits (8-Stuff Parity –1)
bit 7,6 - guard tones
*00 - AT&G0 Disabled
01 - AT&G1 550 Hz
10 - AT&G2 1800 Hz
11 - reserved
No Default Unit Function Description
S24 01000000 binary Bit Mapped Options
bit 1,0 - DTR off-to-on control
*00 - AT%D0 normal (108.2)
01 - AT%D1 dial/ans according to ring-
in (108.1)
61