Perle 833IS, User Manual

Page: 262 / 340

AT Commands
246 Perle 833IS User Guide
The parameter n can be omitted, in which case the last S-Register accessed will be
assumed. The S can be omitted for AT= and AT?, in which case the last S-Register
accessed will be assumed.
For example:
ATS7 establishes S7 as the last accessed register.
AT=40 sets the contents of the last register accessed to 40.
ATS=20 sets the contents of the last register accessed to 20.
Vn - Result Code
Form
This command selects the sending of short-form or long-form result codes to the
DTE.
V0 Enables short-form (terse) result codes. Line feed is not issued before a
short-form result code.
V1 Enables long-form (verbose) result codes. (Default.)
Result Codes:
OK
n = 0 or 1.
ERROR Otherwise.
Wn - Connect
Message Control
This command controls the format of CONNECT messages.
W0 Upon connection, the modem reports only the DTE speed (e.g.,
CONNECT 19200). Subsequent responses are disabled. (Default.)
W1 Upon connection, the modem reports the line speed, the error correction
protocol, and the DTE speed, respectively. Subsequent responses are
disabled.
W2 Upon connection, the modem reports the DCE speed (e.g., CONNECT
14400). Subsequent responses are disabled.
Result Codes:
OK
n = 0, 1, or 2.
ERROR Otherwise.
Xn - Extended
Result Codes
This command selects which subset of the result messages will be used by the
modem to inform the DTE of the results of commands.
Blind dialing is enabled or disabled by country parameters. If the user wishes to
enforce dial tone detection, a "W" can be placed in the dial string (see D command).
Note that the information below is based upon the default implementation of the X
results Table 1. indicates the messages which are enabled for each X value.
If the modem is in facsimile mode the only message sent to indicate a connection is
CONNECT without a speed indication.