ADTRAN ISU 128 User Manual
Page 103
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Appendix A. AT Commands
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ISU 128 User Manual
61202.029L2-1
Command
Function
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)
Generic Unit Configurations
&F0
Reset all S-registers to factory preset values
&F1
Configures unit for Dial 56K sync
&F2
Configures unit for Dial 64K sync
&F3
Configures unit for Dial 112K sync
&F4
Configures unit for Dial 128K sync
&F5
Configures unit for Leased 128K
&F6
Configures unit for Ldm 128K master
&F7
Configures unit for Dial 57.6K async
&F8
Configures unit for Dial 115.2K async
&F9
Configures unit for Dial PPP
&F10
Configures unit for Dial V34 115.2 async
&F11
Configures unit for FALLBACK 57.6K async
Network Options
&L0
Dial network
&L1
Leased network
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.
DTE Data Type Options
&Q0
DTE is async
&Q1
DTE is sync