Black Box MD1650A-JP, Reference Manual

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V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE
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5. S-Registers
Certain modem values, or parameters, are stored in memory locations called S-Registers. Use the S command
to read or alter the contents of the S-Registers.
S-Reg Unit Range Default Description
S0 1 ring 0, 1–255 country Number of Rings to Auto-Answer: Sets the number of rings
dependent required before the modem automatically answers a call.
ATS0=0 disables autoanswer completely.
S1 1 ring 0–255 0 Ring Counter: Counts the rings that have occurred.
S2 decimal 0–127 43(+) Escape Character: Sets ASCII code for the escape sequence
128–255 character. Values greater than 127 disable escape.
S3 decimal 0–127 13(^M) Carriage Return Character: Sets the ASCII code for the
carriage return character.
S4 decimal 0–127 10(^J) Line Feed Character: Sets the ASCII code for the line feed
character.
S5 decimal 0–32 8(^H) Backspace Character: Sets the ASCII code for the
backspace 33–127 character. Values greater than 32 disable
backspace.
S6 seconds 2–255 country Wait Time Before Blind Dialing or for Dial Tone: Sets the
dependent time the modem waits after it goes off-hook before it begins
to dial the phone number.
S7 seconds 1–255 country Wait Time for Carrier, Silence, or Dial Tone: Sets the time
dependent the modem waits for a carrier signal before aborting a call.
Sets the wait for silence time for the @ dial modifier. Sets
the time the modem waits for a dial tone after
encountering W in the dial string.
S8 seconds 0–255 2 Pause Time for Dial Delay: Sets the length of the pause
caused by a comma character in a dialing command.
S9 100 ms 1–255 6 Carrier Detect Response Time: Sets the time, in tenths of a
second that the carrier must be present before the modem
considers it valid.
S10 100 ms 1–255 14 Lost Carrier to Hang Up Delay: Sets how long a carrier
signal must be lost before the modem disconnects.
S11 1 ms 50–255 country DTMF Tone Duration: Sets spacing and duration of dialing
dependent tones.