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SERIES II INTELLIGENT DATA/FAX MODEMS
Result Codes (Verbose/Terse) V
The V command controls whether the Series II Modem’s result codes
are displayed as word (“verbose”) or single digit (“terse”) messages.
For example, if after dialing, no carrier signal is detected, the resulting
message can be displayed either as NO CARRIER, or as the digit 3.
Entering ATV0 (or ATV) causes the Modem to display the Result Codes
as digits, while ATV1 displays them as words. If you do not select a
method, the factory default setting causes the modem to display Result
Codes as words.
Result Codes (Basic and Extended) and Call Progress
Selection X
The X Command is used to select one of two possible dialing methods
(“dumb” or “smart”), and to select various response combinations related
to these methods. You can choose to have certain responses suppressed,
or whether or not you want speed indications along with the CONNECT
responses. You can also pick and choose certain responses in order to
match up with “Standard AT” responses. (Refer to Appendix G for a
summary of Result Codes.)
The Series II Modem provides “Basic” and “Extended” Result Code sets.
The difference between the two is the Basic set provides one response
(CONNECT) to indicate a connection, while the Extended set provides
several responses for different speeds (CONNECT, CONNECT 2400,
CONNECT 4800, CONNECT 9600, CONNECT 14400, CONNECT 19200,
CONNECT 21600, Etc.).
When the Extended set is chosen, you also have the option of matching
them up with Standard AT 2400 response code sets, by including or not
including the BUSY and/or NO DIAL TONE responses while excluding
the DIAL TONE response. The X command is used to select which
responses are provided.