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Westermo MRD-3x0 User Manual

Page 196

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196

6623-3201

Extended Command Set

Command  Description 

Usage

&C

Data Carrier Detect 
(DCD) mode

AT&C0 – DCD always on
AT&C1 – DCD on while in 
online mode

&D

Data Terminal Ready 
(DTR) function

AT&D0 – Modem ignores 
DTR.
AT&D1 – DTR ON - >DTR 
OFF while in online mode 
causes modem to drop to 
command mode
AT&D2 – DTR ON -> DTR 
OFF while in online mode 
causes modem to hangup

&F 

Initialise the modem

ATF

&S

Data Set Ready 
(DSR) mode

AT&S0 – DSR always on
AT&S1 – DSR on while 
negotiating or connected.

See also other documents in the category Westermo Equipment: