Owner`s manual

PN 88300150

4/3/01 81

Appendix E

S-Register Summary

* indicates Values for MT2834MRK units only.

S0 1 ring 0-255 1 Sets number of rings until 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 8 Sets character recognized as 127 BACKSPACE (default is

CTRL-H).

S6 1 second 2-255 2 Defines wait-time for dial tone. 4-7* 4*

S7 1 second 1-255 45 Defines how long modem will wait for carrier before aborting call.

1-45*

S8 1 second 0-255 2 Sets pause time caused by a comma character in a dial

command. 4-7* 4*

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.

S11 1 mSec 1-255 70 Sets time duration of and spacing between tones in tone-dialing

80-255* 80*

S13 ASCII 0-127 37 Defines Remote Configuration Escape Character

S17 10 mSec 0-2500 250 mSec Defines length of break time seconds (space) to PC.

S18 30 min. 10-255 30 Modem monitors leased line to see if it’s operational and will try

to restore leased line connection.

S19 1 min 0-255 1 Dial-backup timer used for timing dial-line back-up.

S24 50 mSec 0-255 20 Sets DSR/CTS/CD dropout time. The default (20) equals one

second.

S25 100 mSec 0-255 0 Sets DTR dropout time. The default (0) default equals 50 mSec.

S30 min 0-255 0 Inactivity timer used to disconnect modem.

S32 1 second 0-255 2 mSec S32 sets the time that the modem waits for <CR> to be entered

during Escape Sequence execution.

S34 ASCII 0-60 10 Sets the number of command characters allowed for Escape

Sequence entry.

S36 1 sec 0-255 0 When DTR is low for S36 seconds, the modem sets OOS.

S37 1 sec 5-255 5 When DTR is high for S37 seconds, the modem clears OOS.

S48 n/a ** 0 Defines the speed at which the modem connects within V.34

mode (**range: 28,26,24,21,19,16,14,12, 96,and 48).