User manual
AT COMMAND SET SUMMARY
Appendix E
E-1
Copyright (C) Dataplex Pty Ltd
AT COMMAND SET SUMMARY
Command Brief Description Section
A/ Repeat command - NO AT prefix 4-7
ATA Answer 4-7
ATB Bell/CCITT select 4-7
ATD Dial command 4-8
ATDn Dial stored number 4-9
ATE Echo command 4-9
ATF Communication format/force line speed
4-10
ATH Hook command - hang up 4-10
ATI Identify modem 4-10
ATNn&Z Store string in location n 4-11
ATO On line, originate and retrain 4-11
ATP Pulse dial modifier 4-12
ATQ Result code & quiet mode 4-12
ATSr? S register inquire 4-12
ATS=n S register set command 4-13
ATT Tone dial modifier 4-13
ATV Verbose or terse control 4-13
ATX Response codes - blind dialing 4-14
ATZ Modem reset 4-15
AT&C Carrier detect & DSR options 4-15
AT&D DTR control 4-15
AT&E MNP/V42 4-16
AT&F Load factory defaults from ROM 4-16
AT&G Guard tone selection 4-16
AT&H Help screen 4-17
AT&I Constant Speed Interface 4-17
AT&K DTE flow control 4-18
AT&L Leased line control 4-19
AT&M Sync/Async, dialed stored number 4-20
AT&N Display or clear dialling directory 4-20
AT&P Pulse dial make/break ratio 4-20
AT&T Test modes 4-21
AT&U Modem flow control 4-21