ADTRAN 3360.9VU01, 1200153L2, 1200153L1, 336048VUR-2, XRT quick start Command Function, At!Z

Appendix A. AT Commands and S-Registers

Command	Function
A	Answer. Places the Express XR/XRT in answer mode.
AT!S	Displays Status Buffer.
AT!S1	Displays Link Status
AT!V	Configuration Menu.
AT!Z	Detect a modem connected to the Express XRT.

DDial. Precedes the telephone access number [ATD5551212].

H	Hang up. Disconnects the current call.
I0	Identify unit. Commands the unit to display model
	number.
I1	Identify software. Commands the unit to display
	software version.
O	On-line. Commands the unit to go back on line.
S	S Register.
SS	S String register.
Z	Reset. Resets the AT command processor.
&W	Save. Save current configuration to EEPROM.

+++Break in. Break in AT command processor during an active call. The break in key is defined in S2.

Carrier Detect (CD) Control Line Options

&C0	CD forced on.
&C1	CD normal.
&C2	CD off with local disconnect (LOCD).
&C3	CD off with link down.
Data Terminal Ready (DTR Control Line Options)
&D0	Ignore DTR.
&D1	DTR off forces command.
&D2	Idle when off. DTR off forces idle (On allows auto
	answer).

54 Express XR/XRT Quick Start Guide 61200.153L1-13