ADTRAN ISU 512 user manual Appendix C. AT Commands

Appendix C. AT Commands

Table C-A

AT Commands

Command	Definition	Function
	Data Terminal Ready (DTR) Control Line Options
&D0	-	DTR ignored
&D1	-	DTR Off forces command
&D2	-	DTR Off forces idle (on allows auto answer)
		Generic Unit Configurations
&F0	-	Reset all S-registers
&F1	-	Dial 512K
&F2	-	Dial 384K
&F3	-	Dial 448K
&F4	-	Dial 336K
&F5	-	Video 384K
&F6	-	Video 336K
&F7	-	Leased Slave (not available on the ISU 512 ST)
&F8	-	Leased Master (not available on the ISU 512 ST)
&F9		Leased Slave Master (not available on the ISU 512 ST)
		Network Options
&L0	-	Dial Network
&L1	-	Leased Network (not available on the ISU 512 ST)
	Data Set Ready (DSR) Control Line Options
&S0	-	DSR forced
&S1	-	DSR if call up
&S2	-	DSR if link up
	Accessing Stored Numbers for Dialing Options
&Z0	-	Stored number 0
&Z1	-	Stored number 1
&Z2	-	Stored number 2
&Z3	-	Stored number 3

86 ISU 512 User Manual 61202.086L1-1