4 AT Commands, S-Registers, and Result Codes

Register

Unit

Range

Default

Description

S7

seconds

1–255*

50*

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.

S8

seconds

0–65

2

Sets the length of a pause

 

 

 

 

caused by a comma

 

 

 

 

character in a dialing

 

 

 

 

command.

S9

decimal

0, 1–127 37 (%)

Sets ASCII code for remote

 

 

 

 

configuration escape

 

 

 

 

character. S9=0 disables

 

 

 

 

remote configuration.

S10

100 ms

1–254

20

Sets how long a carrier signal

 

 

 

 

must be lost before the

 

 

 

 

modem disconnects.

S11

1 ms

50–150*

95*

Sets spacing and duration of

 

 

 

 

dialing tones.

S28

decimal

0, 1–255 1

0 disables, 1–255 enables

 

 

 

 

V.34 modulation.

S30 1 minute 0, 1–255 0

S35

decimal 0–1

0

Sets the length of time that the modem waits before disconnecting when no data is sent or received. A value of zero disables the timer. See also the \T command

0 disables, 1 enables the V.25 data calling tone, which allows remote data/fax/voice discrimination.

* These values may be different outside North America.

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Multi-Tech Systems MT5634ZBAV manual S10, S11, S28, S35