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Appendix A. AT Commands and S-Registers
60 Express XRT User Guide 61202.153L3-1
I0 Identify unit. Commands the unit to display model
number
.
I1 Identify software. Commands the unit to display soft-
ware version.
O On-line. Commands the unit to go back on line
S S Register.
S36 Inactivity Timer in minutes (0-255).
0=inactivity timer off.
S37 Flash Hook button function
0=Flash (Call Waiting)
1=Conference
SS S String register.
&V Displays the contents of all S registers.
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).
Command Function
Generic Unit Configurations
&F0 Factory Default (fallback auto-protocol detect)
&F1 Internet 64K
&F2 Internet 128K
&F4 Remote Access 128K
&F7 Configures unit for Dial 57.6k async
&F8 Configures unit for Dial 115.2k async
&F11 Configures unit for FALLBACK