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12.7
Remote control of the modem:
This is a powerful option, which serves many functions:
e Modems in unmanned installations can easily be controlled
e System operator in a network can perform remote diagnostics and
control of all modems in the network
e Stored number for dialback can be altered from remote site.
When remote control is used, the modem
must be in on-line
asynchronous AT command
mode.
When remote escape sequence (normally ---) is received and
accepted by the remote modem, it will respond with the result code
REMOTE: xxx. xxx is here the ordinary result code, for example
REMOTE: OK.
Numeric short form codes will not be modified in this mode.
All commands will now be available for the user.
The escape code for remote command
mode is stored in the +S16
register. If the decimal value of the code is higher than 128, the
modem will not recognise the remote escape code. The escape
sequence guard time is stored in +$17.
The rules for use of the remote escape sequence are in all respects
similar to the use of the ordinary escape sequence. The command
+00 disables the remote control function.
LZTR104006 R1.00
12-9
Zat 14.4/14.4-7 and 19.2/19.2-7
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