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61200.153L1-13 Express XR/XRT Quick Start Guide 55
Appendix A. AT Commands and S-Registers
Command Function
Generic Unit Configurations
&F0 Factory Default (fallback auto-protocol detect)
&F1 Internet 64K
&F2 Internet 128K
&F3 Remote access 64K
&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
Calling Number Identifiers
&N0 Number 1. Read far-end phone number 1 if service
subscribed from telephone company.
&N1 Number 2. Read far-end phone number 2 if service
subscribed from telephone company.
Clear-To-Send (CTS) Control Line Options
&R0 Follows RTS
&R1 Forced CTS
Data Set Ready (DSR) Control Line Options
&S0 DSR forced on
&S1 DSR if call up
&S2 DSR off if link down
Accessing Stored numbers for Dialing Options*
&Z0 Stored number 0
&Z1 Stored number 1
&Z2 Stored number 2
&Z3 Stored number 3
&Z4 Stored number 4
&Z5 Stored number 5
&Z6 Stored number 6
&Z7 Stored number 7
&Z8 Stored number 8
&Z9 Stored number 9
*These presets are invoked by &Z0 through &Z9 AT commands.
They access the stored numbers used for dialing.