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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.