ZyXEL Communications 56K User Manual
Page 62
User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
5-24
Command
bit
dec
hex
Function and description
Ref.
5
32
20
DSR follows DCD and pulses for 0.5 sec after DCD on-off
transition.
&Sn
6
64
40
Force S0>=2; doesn‘ t answer on the first ring.
S0
7
128
80
Ignore calling tone, not to be used as fax detection.
S42=
bit
dec
hex
Bit mapped register.
+000
1
2
2
Enables throughput averaging.
2
4
4
CND message will be forced on even if ATQ2 is set.
3
8
8
Disable escape sequence code in answer mode.
4
16
10
Disable V.17 14,400 Fax in calling mode, no effect to
answering mod.
6
64
40
Disable ‘ RINGING’ result code.
Xn
7
128
80
DCD forced on but pulse off for 0.5 seconds at carrier
loss.
&C0
S43=
bit
dec
hex
Bit mapped register.
+008
6
64
40
Enable 1.5 sec, pause between off-hook and modem
answering.
7
128
80
Modem hang-up if the line condition does not permit
modem to run at the highest speed set by ‘ &Nn’
command.
S44=
bit
dec
hex
Bit mapped register.
+000
3
8
8
ATDSn initiates auto-dial of the stored numbers
consecutively until connection is made (cyclic dial).
DSn
4
16
10
DSR follows DTR. (see also S41.5)
&S1
6
64
40
When selected with ‘ &B0’ , DTE speed fixed at 38400
when the link speed is above 9600. DTE speed fixed at
9600 if link speed is 7200. If it is below 7200, DTE speed
follows link speed. When selected with &B1, DTE speed
fixed at current rate when an ARQ connection is made,
when a non-ARQ connection is made, DTE speed
follows the link speed. (See also S18)
&Bn
S45=
dec
0-255
hex
0-FF
Delay during which the CND silence detection is
disabled, in 20 ms units. (See also S46)
+100
S46=
dec
hex
CND silence detection interval.
+028
0-255 0-FF
To process the CND, silence must be detected for the
specified interval, in 20 ms units.
S48=
bit
dec
hex
Bit-mapped register.
+000
0
1
1
Cause CND information to be reported in raw format.
2
4
4
Enable data calling tone (CNG) sending.
3
8
8
Reverse the V.23 channel speed. Originate mode
modem speed (Send/Receive) 1200/75; Answer mode
modem speed (Send/Receive) 75/1200.
&N12