Multi Tech Equipment ISIHI-2S User Manual

Page of 186
MultiModemISI Hybrid Series, ISIHI-2S
165
Appendix
Appendix M: S-Register Summary (TA)
S-Register Unit Range
Default
Description
S0
1 ring
0–255
1
Sets number of rings before TA answers.
S1
1 ring
0–255
0
Counts the rings that have occurred.
S2
decimal 0–127
43 (+)
Sets ASCII code for the escape code character. Values greater than 1227
disable the escape sequence.
S3
decimal 0–127
13 (^M)
Sets ASCII code for the RETURN character.
S4
decimal 0–127
10 (^J)
Sets ASCII code for the LINE FEED character.
S5
decimal 0–32, 127 8 (^H)
Sets ASCII code for the BACKSPACE character. Values greater than 32
disable the backspace character.
S7
1 sec
0–255
45
Sets the time the modem waits for a carrier signal before aborting a call.
Also sets the wait for silence time for the @ dial modifier.
S10 50 ms
0–254,255 20
Sets how long a carrier signal must be lost before modem disconnects
S25 100 ms 0, 1-255
5
Sets time that DTR must remain low before TA disconnects.
S32 100 ms 055
20
Sets the time allowed in an escape sequence from the receipt of the 
A in
AT to the receipt of the carriage return.
S50 decimal 0 or 1
1
Sets whether the mechanism for idenfitying the two endpoints of a
connection is enabled or disabled.
S52 decimal 0 or 1
1
Sets whether the mechanism for identifying V.120, X.75, or PPP operation
is enabled or disabled.
S53 decimal 0-2048
2048
Sets the maximum size of data frames in X.75 mode.