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SERIES II INTELLIGENT DATA/FAX MODEMS
6.2 Reading and Assigning S-Register Values
The S command is used to assign a value to, and to read the current
value of, an S-Register. To read an S-Register value, enter the letter S
followed by the S-register number and a question mark (?), then hit
RETURN. For example, entering ATS7? and hitting RETURN displays
the value of S-Register S7 in a 3-digit decimal form. The number 8
would appear as 008, the number 30 would appear as 030, and the
number 255 would appear as 255.
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”.
Convert all ASCII characters to their decimal equivalents before
entering them. S-Register decimal values range from 0-127 for ASCII
characters, or 0-255 for numeric values.
6.2.1 Examples of Assigning Values
1. Let’s say you wish to have longer pauses caused by the comma in a
dial command; five seconds instead of two. Entering ATS8=5
assigns 5 as the value for S-Register S8 (meaning the modem
pauses five seconds for a comma in a dial command).
2. In a second example, let’s say that you wish to configure the Series
II Modem to answer incoming calls after the 30th ring instead of
after the first ring. To configure S-Register S0 with a value of 30,
enter ATS0=30 and hit RETURN.
3. In a third example, let’s say you are calling long distance to
another country code, and it is taking a long time to connect. The
S-Register S7 (Abort Timer) setting of 45 seconds, is insufficient.
The abort timer times out and cancels the call before a connection
is made. To change the S7 value to 55 seconds, enter Command
mode, then enter ATS7=55 and hit RETURN. Now, after dialing,
the modem allows 10 more seconds for a carrier signal before
aborting the call. The additional 10 seconds should provide
enough time for international calls.