S-registers – Westermo TDW-33 User Manual

Page 61

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61

* S-registers

Register

Function

Range

Units

Saved

Default

Note

S0

Rings to
Auto-Answer

0–255

Rings

*

2

Determines the number of
rings before taking the line.
Assigning a value from 1 to
255 places the modem in
auto-answer mode. Setting
S0 to 0 disables auto-answer
mode.

S1

Ring Counter 0–255

Rings

0

S1 is incremented each time
the modem detects a ring
signal on the telephone
line. It is cleared if no rings
occur over any eight second
interval.

S2

Escape
Character
ASCII

0–255

ASCII

*

43
(02Bh)

S2 holds the ASCII value of
the escape code. The default
value is 43 (ASCII “+”). S2
canbe set to any value from
0 to 127. To return to the
command state when the
escape code is disabled, the
distant modem must hang
up (local modem looses
carrier).

S3 Carriage

Return
Character

0–127 ASCII

*

13
(0Dh)

S3 holds the ASCII value of
the carriage return char-
acter. Default a value of 13
is used. If the data terminal
equipment is non standard, a
different value can be used.
This character serves as the
command line terminator
and the result code termina-
tor. This character must not
be set to a value greater
than 127.

S4

Line Feed
Character

0–127

ASCII *

10
(0Ah)

S4 holds the ASCII value of
the line feed character. The
default value is 10. This char-
acter must not be set to a
value greater than 127.

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