Appendix d s-register list – ADTRAN ISU 128 User Manual
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ISU 128 User Manual
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Appendix D
S-Register List
S0
AUTO ANSWER
Determines how the ISU 128 answers an
incoming call.
0
= Disable (ISU 128 does not answer call).
1
= Enable (ISU 128 answers all calls).
2
= Dump all calls.
S2
BREAK IN
Determines which key or character (in ASCII code)
CHARACTER
defines the escape command. The standard escape
character is a + sign (ASCII value of 43 decimal). To
change the character set, set S2 to the desired ASCII value.
Range = 0 to 127
S3
END OF LINE
Determines which key or character (in ASCII code)
CHARACTER
ends a command line. The standard end-of-line
character is the carriage return (ASCII value of
13 decimal).
Range = 0 to 127
S4
LINE FEED
Determines which key or character (in ASCII code)
CHARACTER
advances the cursor to the next line after ending a
command line or after an ISU 128 message. The
standard character is the line feed (ASCII value of
10 decimal).
Range = 0 to 127
S5
BACK SPACE
Determines which key moves the cursor back one
CHARACTER
space to erase a character. The standard character is
the backspace (ASCII value of 8 decimal).
Range = 0 to 127
S7
CONNECT TIME
Determines how long the ISU 128 waits for an
outgoing call to be answered.
15 = 15 seconds
30 = 30 seconds
60 = 1
minute
120 = 2 minutes
240 = 4 minutes