Multi-Tech Systems MT3334HD8 manual Appendix D S-Register Summary

D S-Register Summary

Appendix D S-Register Summary

Register	Unit	Range	Default		Description
S0	1 ring	0, 1–255	1		Sets the number of rings until the modem
					answers. ATS0=0 disables auto answer
					completely.
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.
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	0–127	8 (^H)		Sets ASCII code for the BACKSPACE character.
S6	1 sec	2–255	2		Sets the time the modem will wait for a dial tone
		4–255†	4†		before aborting a call.
		4–7‡	4‡
S7	1 sec	1–255	45		Sets the time the modem will wait for a carrier
		1–45*	45*		signal before aborting a call.
		1–55‡	55‡
S8	1 sec	0–255	2		Sets the length of the pause caused by a comma
		4–255†	4†		character in a dialing command.
		4–7‡	4‡
S9	100 ms	1–255	6		Sets delay between when the modem detects a
					valid carrier signal and when it turns on its CD
					circuit.
S10	100 ms	1–254,	7		Sets how long a carrier signal must be lost before
		255			the modem disconnects. S10=255 causes the
					modem to not disconnect with loss of carrier.
S11	1 ms	1–255	70		Sets spacing and duration of dialing tones. 50
		80–255*	80*		ms is the recommended minimum..
		80–255‡	80‡
S13	decimal	0, 1–127	37	(%)	Sets ASCII code for remote configuration escape
					character. S13=0 disables remote configuration.
S17	10 ms	1–255	25		Sets the length of the break time (space) sent to
					the local PC when the modem receives a remote
					break.
S24	50 ms	0–255	20		Sets the time the DSR, CTS, and CD signals
					drop before going high again. Used for some
					PBX and CBX phone systems.
S25	100 ms	0, 1–255	0		Sets the time the DTR signal must be dropped
					before the modem disconnects. The 0 default
					equals 50 ms.
S30	1 min.	0, 1–255	0		Sets how long the modem waits after the last
					character is received or transmitted before it
					disconnects. The 0 default disables the timer.
S32	100 ms	0–255	20		Sets the time the modem will wait for a RETURN
					to be entered during escape sequence execution.
S34	1 char-	0–60	10		Sets the number of command characters allowed
	acter				after +++AT.
S36	1 sec	0, 1-255	5		Sets the time between DTR inactive and modem
					off-hook. S36=0 disables DTR busy-out.
S37	1 sec	0-255	5		Sets the time between DTR active and modem
					on-hook.

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