Command Description
ATX4 Enablesmonitoringofbusytones.Sendsallmessages(default).
ATZ0 Softreset.
AT&C0 DCDremainsonatalltimes.
AT&C1 DCDfollowsthestateofthecarrier (default).
AT&D0 IgnoresDTR.
AT&D1 Enterstheescapemode whenON-to-OFF transitionisdetectedonDTR.
AT&D2
Hangsup,assumescommandstateand disablesautoanswer upondetecting
ON-to-OFF transitionofDTR(default).
AT&D3
ON-to-OFF transitioncausesthemodemtoperformasoftreset.Itisthesameas
ifanATZ commandisissued.
AT&F Restoresfactoryconfiguration.
AT&G0 Disablesguardtone(default).
AT&G1 Enables550-Hzguardtone.
AT&G2 Enables1800-Hzguardtone.
AT&K0 Disablesflowcontrol.
AT&K3 EnablesRTS/CTSflow control(defaultfor datamodes).
AT&K4 EnablesXON/XOFF flowcontrol.
AT&K5 SupportstransparentXON/XOFF flowcontrol.
AT&P0 39/61 make/breakratioat10 pulsesper second(default).
AT&P1 33/67 make/breakratioat10 pulsesper second.
AT&P2 39/61 make/breakratioat20 pulsesper second.
AT&P3 33/67 make/breakratioat20 pulsesper second.
AT&Q0 Selectsdirectasynchronousoperation.
AT&Q5 Modem willtryanerror-correctedlink.
AT&Q6
Selectsasynchronousoperationinnormalmode(allowsspeedbufferingand flow
controlbutnoerrorcorrection).
AT&V
Displaysmodem’scurrentconfiguration.When thiscommandisentered,the
modem willdisplayitscurrent commandand register settings.
83 Cyclades™ ACS 6000 Advanced Console Server Installation/Administration/User Guide