Specifications

ISI3334/4 Hardware/Driver Installation Manual
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2.3 S-Registers
Certain Command Mode configurations are stored in memory
registers called, S-Registers. The S command is used to assign a
value to, and to read the current value of an S-Register. To assign a
value to an S-Register, enter the letter S , followed by the S-Register
number and an equals sign ( = ), and then a decimal response to the
message “ENTER THE NEW VALUE IN DECIMAL FORMAT”. To
read an S-Register value, enter the letter S followed by the S-
Register number and a question mark ( ? ), then hit RETURN. To
verify that the S-Register value was entered correctly, enter for
example, ATS8? and hit RETURN. You should receive a response
of the assigned value given to that S-Register.
S0
Number of Rings Until Modem Answers
Unit: 1 ring
Range: 0-255
Default: 0
Description: Sets the number of rings before the modem
answers.
S1
Rings Which Have Occurred
Unit: 1 ring
Range: 0-255
Default: 0
Description: Counts the number of rings that have
occurred.
S2
Escape Code Character
Unit: ASCII Character
Range: 0-127
Default: 43 ( + sign )
Description: Defines the escape code character.