User's Manual

1 (&C1) (factory setting)
Bit 6 Condition of Control Line DSR (M1)
0 (&S0) (factory setting)
1 (&S1)
Bit 7 Long Space Disconnect
0 (Y0) (factory setting)
1 (Y1)
S22 – Loudspeaker/Authorized Modem Messages
Factory setting : 118 (66h) (01100110b); Read only register
Bit 0,1 Volume
0 Low (L0)
1 Low (L1)
2 Medium (L2) (factory setting)
3 Loud (L3)
Bit 2,3 Loudspeaker Condition
0 Always OFF (M0)
1 OFF after carrier recognition (M1) (factory setting)
2 Always ON (M2)
3 ON during Handshake (M3)
Bit 4-6 Authorized modem messages
0 (X0)
4 (X1)
5 (X2)
6 (X3) (factory setting)
7 (X4)
Bit 7 Reserved
S23 – General Options
Factory setting : - ; Read only register
Bit 0 Authorized a remote digital test loop for remote modem
0 Not authorized (&T5) unchangeable (factory setting)
Bit 1-3 Interface speed
0 0-300 bps
1 1200 bps
2 2400 bps
3 4800 bps
4 7200 bps
5 9600 bps
6 19200 bps
7 Over 38400 bps
4-6 S-REGISTERS