S-register summary – HP Remote Assistant Card User Manual
Page 157

C Modem Commands
139
Command
Values
Def
Description
!
in Dial
command
Causes modem to Flash On-Hook. (Not applicable with pulse
dial in Austria and Germany. Not applicable in the U.K.)
@
in Dial
command
Causes modem to wait for ringback, then 5 seconds of silence
before processing next part of command.
+++AT
Escape Code. Puts modem in Command Mode while still
remaining On-Line. Enter +++ followed by the letters A and T,
up to ten command characters, and a RETURN.
BREAK
AT
Alternate Escape Sequence. Places modem in Command mode
while still remaining On-Line. Not preceded by AT. Enter a
BREAK signal, followed by the letters A and T, up to sixty
command characters, and hit RETURN.
S-Register Summary
S-Register
Unit
Range
Default
Description
S0
1 ring
0-255
1
Sets number of rings before modem
answers.
S1
1 ring
0-255
0
Counts rings which have occurred.
S2
ASCII
0-127
43
Sets Escape Code character (default is plus
+ sign).
S3
ASCII
0-127
13
Sets character recognized as RETURN
(default is CTRL-M).
S4
ASCII
0-127
10
Sets character recognized as LINE FEED
(default is CTRL-J).
S5
ASCII
0-32, 127
8
Sets character recognized as BACKSPACE
(default is CTRL-H).
S6
1 second
2-255
2
Determines wait-time for dial tone.
S7
1 second
1-255
45
Determines how long modem waits for
carrier before aborting call.
S8
1 second
0-255
2
Sets pause time caused by a comma
character in a dial command.
S9
100 mSec
1-255
6
Sets carrier detect response time.
S10
100 mSec
1-255
7
Sets delay time between when carrier is
lost and when modem disconnects.