Digicom 3910, 3911 operation manual Bert

AT Command Set and S-Registers

Table 14-2

(7 of 10)

391x Series AT Commands

AT			Description	DCP LCD
				Command
Command
				Sequence
&Mn and	Async/Sync Mode and DTE Dialer Type.			Configure\Edit\
&Qn	&M0, &Q0 Modem operates in Asynchronous mode and uses AT			DTE Dialer
			Command protocol.
	&M1, &Q1		Modem operates in Synchronous mode and uses AT
			Command protocol.
	&M2, &Q2		Modem operates in Synchronous mode and dials telephone
			number stored in directory location 1 when DTR signal turns
			OFF and then ON.
	&M3, &Q3		Modem operates in Synchronous mode and uses AT
			Command protocol.
	The &M2 and &Q2 commands disable the use of AT commands and
	force the modem into Dumb mode. The only way to gain control of the
	modem is via the DCP.
&Rn	RTS Action.			Configure\Edit\
	&R0	Standard RS232.		DTE Interface
	&R1	Ignores RTS.
	&R2	Simulated Control Carrier.
	&R3	Control Carrier.
&Sn	DSR Control.			Configure\Edit\
	&S0	Forced On.		DTE Interface
	&S1	Standard RS232.
	&S2	Wink When Disconnect.
	&S3	Follows DTR.
	&S4	On Early.
	&S5	Delay to DTE.
&Tn	Tests.			Test
	&T0	Abort. Stops any test in progress.		&T4 and &T5:
	&T1	Local Analog Loop.		Configure\Edit\
	&T2	Pattern. Transmits and receives a 511 Bit Error Rate Test		Tests
		(BERT).
	&T3	Local Digital Loopback test.
	&T4	Enables Receive Remote Loopback Response configuration
		option.
	&T5	Disables Receive Remote Loopback Response configuration
		option.
	&T6	Remote Digital Loopback test.
	&T7		Remote Digital Loopback with Pattern.
	&T8	Local Loopback with Pattern.
	&T9	Self-Test.

3910-A2-GN32-40 September 1998 14-11