User Guide

S-Registers

Certain modem values, or parameters, are stored in memory locations called S-registers. Use the S command to read or to alter the contents of S-registers (see previous section).

Register

Unit

Range

Default

Description

S0

1 ring

0, 1–255 1

Sets the number of rings until

 

 

 

 

the modem answers.

 

 

 

 

ATS0=0 disables autoanswer

 

 

 

 

completely.

S1

1 ring

0–255

0

Counts the rings that have

 

 

 

 

occurred.

S2

decimal

0–127

43 (+)

Sets ASCII code for the

 

 

128–255

 

escape sequence character.

 

 

 

 

Values greater than 127

 

 

 

 

disable escape.

S3

decimal

0–127

13 (^M)

Sets the ASCII code for the

 

 

 

 

carriage return character.

S4

decimal

0–127

10 (^J)

Sets the ASCII code for the

 

 

 

 

line feed character.

S5

decimal

0–32

8 (^H)

Sets the ASCII code for the

 

 

33–127

 

backspace character. Values

 

 

 

 

greater than 32 disable

 

 

 

 

backspace.

S6

seconds

2–65*

2*

Sets the time the modem

 

 

 

 

waits after it goes off-hook

 

 

 

 

before it begins to dial the

 

 

 

 

telephone number.

* These values may be different outside North America.

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Multi-Tech Systems MT5634ZBAV manual Registers, Register Unit Range Default Description