Paradyne manual 9 of 3800 Series AT Commands, Description, Front Panel, Branch, Tests

AT Command Set and S-Registers

Table 14-1

(9 of 12)

3800 Series AT Commands

AT		Description	Front Panel
Command			Branch
&Tn	Tests		Test
	&T0	Abort. Stops any test in progress.	&T4 and &T5:
	&T1	Local Analog Loop.	Configure\Edit\Tests
	&T2	Pattern. Transmits and receives a 511 Bit Error Rate Test (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.
&Vn	View Configuration Options		None
	Displays each configuration group within the Active (Operating), Active
	(Saved), Customer 1, and Customer 2 configuration areas as well as the
	telephone numbers stores in directory locations 1–10.
	The output of the &V command, trapped by communications software and
	printed, can be used as a configuration worksheet for a modem or network.
	&V0	Active (Operating) configuration options.
	&V1	Active (Saved) configuration options.
	&V2	Customer 1 configuration options.
	&V3	Customer 2 configuration options.
	&V4	Directory locations 1–10.
&Wn	Write (Save to Memory)		Configure\Save
	Saves the current configuration options in Active (Operating) to one of three
	configuration areas:
	&W0	Saved to Active(Save).
	&W1	Saved to Customer 1.
	&W2	Saved to Customer 2.
&Xn	Transmit Clock Source		Configure\Edit\DTE
	&X0	Internal. Modem provides transmit clock source for synchronous data	Interface
		(Pin 15).
	&X1	External. Modem derives external transmit clock source provided on Pin
		24 for synchronous data.
	&X2	Receive Clock Loop. Modem derives transmit clock source from receive
		signal for synchronous data (Pin 17).
&Zn=x	Store Telephone Numbers		Call Setup\Change
	Modem saves the telephone numbers and dial command modifiers (if any)		Directory
	entered for x (up to 40 characters in length) in Directory Location n (1–10).
	For example, the command AT&Z1 = 5551234 stores the telephone number
	555-1234 into directory location 1.
	To clear a telephone number from a memory location, issue the &Zn = x
	command without entering a telephone number.

3810-A2-GB30-30 September 1998 14-11