ZyXEL Communications 56K Plus Series - Manual (Page 53)

Omni 56K Plus Series User’s Guide
Command Sets 4-25
Table 4-16 Extended S-Registers "ATSn=x"
COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF.
6 64 40 Enables type 4 ring detection.
S41= bit dec hex Bit mapped register. +000
0 1 1 Special MNP compatibility. (see also S27.0, S38.5) &Kn
3 8 8 Enable CCITT signals 140 and 141 on EIA-232D
interface.
4 16 10 In X2-X7 setting, modem waits for S6 seconds before
dialing and ignores dial tone detection.
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.
5 32 20 Disable Data/Voice button switch.
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
7 128 80 Enable UK (Australian, Singapore, Indian, etc.,) type
“short-short ring” ring-back detection.
S45= dec
0-255 hex
0-FF Delay during which the CND silence detection is
disabled, in 20 ms units. (See also S46) +100