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8–7
S17 Bit-mapped register; default: 18:
S18 Set DTE speed for auto answer;
Default: 0: Same value format as S20 (exception: set to 32 for 230400 bps). If
non-zero, it forces the modem to use the fixed baud rate indicated by
this value when answering. A value of zero disables this function.
S19 Modem connection mode; default: 0:
Code
Bits Bin. Dec. Description
*I0 (7,6) 00 0 AT command set. (Default)
*I1 01 64 V.25bis command set.
*I2 10 128 Dumb mode (no commands accepted).
D (5) 0 0 Dials and goes online normally. (Default)
DR 1 32 Reverse dial: dials and goes online in
answer mode.
*P0 (4,3,
2,1)
0000 0 Sets "leased-line transmission" power level.
(See also S35b3)
………
*P15 1111 30
*S0 (0) 0 0 Disables secondary channel. (Default)
*S1 1 1 Enables secondary channel.
Note: The secondary channel is only available in models with network
management capability.
Code
Dec. Description
&N0 0 Multi-Auto; auto negotiates the highest possible
link rate. (V.34 28800 - 2400, ZyX 19200,
ZyX 16800, V.32bis 14400/12000/7200,
V.32 9600T/9600/7200T/4800, V.22bis
2400/1200, V.22 1200, BELL 212A 1200,
V.17 FAX 14400/12000/9600/7200, V.29
FAX 9600/7200, V.27ter FAX 4800/2400, cel-
lular modes)
&N1 1 V.33 14400/12000
&N2 2 V.33 12000
&N3 3 V.32 9600T/9600/7200T/4800
&N4 4 V.32 9600/7200T/4800
&N5 5 V.32 4800