S-registers – Multi-Tech Systems MT5634ZPW-PCI User Manual

Page 48

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MT5634ZPW-PCI

48

Owner’s Manual

Command: %T125 Testing DSP 56K Code Version/Checksum
Values:

n/a

Description:

Entering AT%T125<cr> tests the DSP56K code

version and checksum running in external RAM.
Upon issuing this command the user may then issue
ATI4<cr> to get DSP version or ATI1<cr> to get DSP
checksum in RAM.
Entering AT%T124<cr> tests the DSP56K code
version and checksum running in internal ROM.
Upon issuing this command the user may then issue
ATI4<cr> to get DSP version or ATI1<cr> to get DSP
checksum in ROM.

S-Registers

S-registers generally affect how the AT commands perform. You
can read or alter the contents of an S-register by using the S
command (see “AT Commands”).

Register Unit

Range

Default

Description

S0

rings

0, 1–255 0

Sets the number of rings before
the modem answers.

ATS0=0

disables auto-answer completely.

S1

rings

0–255

0

Counts the number of rings that

have occurred.

S2

decimal

0–127

43 (+)

Sets ASCII code for the escape

128–255

character. Values greater than

127 disable the escape sequence.

S3

decimal

0–127

13 (^M) Sets ASCII code for the carriage

return character.

S4

decimal

0–127

10 (^J)

Sets ASCII code for the line feed

character.

S5

decimal

0–32

8 (^H)

Sets ASCII code for the backspace

33–127

character. Values greater than 32

disable the backspace character.

* These values may be different outside North America.

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