Wavecom G900 User Manual download pdf (Page 49)

Wavecom GSM Modem

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Application to GSM AT&C0 DCD always on

GSM to application OK command valid

Application to GSM AT&C1 DCD matches state of the remote modem's

data carrier

GSM to application OK command valid

7.11. Set DTR signal &D

This commands controls the Data Terminal Ready (DTR) signal.

Application to GSM AT&D0 the DTR signal is ignored

GSM to application OK command valid

Application to GSM AT&D1 Modem switches from data to command mode

when DTR switches from on to OFF

GSM to application OK command valid

Application to GSM AT&D2 Upon DTR switch from on to OFF, the call is

cleardown

GSM to application OK command valid

7.12. Set DSR signal &S

This commands controls the Data Set Ready (DSR) signal.

Application to GSM AT&S0 DSR always on

GSM to application OK command valid

Application to GSM AT&S1 DSR off in command mode, DSR on in data

mode

GSM to application OK command valid

7.13. Save configuration &W

This commands writes the active configuration to nonvolatile RAM.

Application to GSM AT&W writes current configuration to E2prom

GSM to application OK command valid

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Wavecom G900 User Manual Page 49