Specifications
168 MultiModemISI Hybrid Series, ISIHI-2S/2U
Appendix
Appendix M: S-Register Summary (TA)
S-REGISTER UNIT RANGE DEFAULT DESCRIPTION
S0 1 ring 0255 1 Sets number of rings before TA answers.
S1 1 ring 0255 0 Counts the rings that have occurred.
S2 decimal 0127 43 (+) Sets ASCII code for the escape code character. Values greater
than 1227 disable the escape sequence.
S3 decimal 0127 13 (^M) Sets ASCII code for the RETURN character.
S4 decimal 0127 10 (^J) Sets ASCII code for the LINE FEED character.
S5 decimal 032, 127 8 (^H) Sets ASCII code for the BACKSPACE character. Values
greater than 32 disable the backspace character.
S7 1 sec 0255 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 0254,255 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 identifying the two
endpoints of a connection is enabled or disabled.
S52 decimal 0 or 1 1 Sets whether the mechanism for identifying V.120 or PPP
operation is enabled or disabled.