ISU AT Command Reference

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ISU AT Command ReferencePhased Implementation by Software Release9500 9520 9521 9505 9522 9505 9522 9505A 9522A 9505A 9522AMDAxxxx MDAxxxxSection Command Phase INC0620 RAC0620 RAC0620 LAC109G SAC0201 LAC03xx SAC03xx MDBxxxx MDBxxxx IS060xx IS060xxIS0500x IS0500x10.6 +CVMI VI X X10.7+IPR(revised)VI X X10.8+SBDWT(revised)VI X X10.9 +SBDDET VI X X10.10+SBDI(revised)VI X X10.11 +SBDIX VI X X10.12 +SBDDSC VI X X10.13 +SBDMTA VI X X10.14 +SBDREG VI X X10.15 +SBDAREG VI X X10.16 +SBDSX VI X XVersion 2.6March 30, 2006 14
ISU AT Command ReferencePhase I AT Commands5 Phase I AT Commands5.1 AT - ATtention CodeThis is the prefix for all commands except A/ and +++. When entered on its own, the ISU will respondOK.5.2 A/ - Repeat Last CommandRepeat the last command issued to the ISU unless the power was interrupted or the unit is reset. A/ is notfollowed by .5.3 +++ - Escape SequenceThe escape sequence is used to transfer from in-call data mode to in-call command mode withoutdisconnecting from the remote modem. After a pause, the ISU will respond with OK. Register S2 can beused to alter the escape character from +, the factory default, to any hexadecimal value in the range 0 to255.5.4 A - Answer (Initial implementation; revised in Phase III)Answer immediately. This causes the ISU to answer the incoming data call.5.5 Bn - Communication StandardsSelect the communications standard to be used for data calls.No action, compatibility only.Any value for n accepted.5.6 Cn - Carrier ControlControl carrier detection.No action, compatibility only.Only n=1 accepted.Version 2.6March 30, 2006 15
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ISU AT Command ReferencePhase IV AT
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ISU AT Command ReferencePhase IV AT
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ISU AT Command ReferencePhase V AT
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ISU AT Command ReferencePhase VI AT
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ISU AT Command ReferenceS-Register
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ISU AT Command ReferenceSummary of
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ISU AT Command ReferenceInformative
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