Maxim Integrated 73M2901CE AT Command User Manual
At command user guide
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Table of contents
Document Outline
- 1 Introduction
- 2 AT Commands
- 2.1 A – Answer
- A/ – Repeat Last Command
- B – Bell, ITU, V.23, or Bell202 Operation
- 2.4 C[n] – Select Carrier Detect Option
- 2.5 D[n...n] – Dialing String
- E[n] – Echo Commands On/Off
- F– Load Factory Defaults
- 2.8 G – Guard Tone Select
- H[n] – On-Hook/Off-Hook Control
- 2.10 I[n] – Identification and ROM Tests
- J[n] – PTT Test
- 2.12 K[n] – Flow Control
- 2.13 L[n] – Fast Connect
- 2.14 N[n] – Data Set Ready Signal Control
- O[n] – Return to On-Line
- 2.16 P – Pulse Dial
- Q[n] – Result Codes On/Off
- 2.18 R[n] – Select Data Terminal Ready Option
- 2.19 S[r] – Modify/Read S-registers
- 2.20 T – Tone Dialing
- 2.21 V[n] – Select Result Codes Numbers/Words
- W[n] – Select Extended Result Code
- X[n] – Select Result Code Set
- 2.24 Y[n] – Selects Asynchronous or Synchronous Modes
- Z – Reset Modem
- 2.26 +++
- 2.27 +++AT
- 3 Extended AT Commands
- 4 S-registers
- 4.1 Setting S-registers
- 4.2 Reading S-registers
- 4.3 Setting/Reading S-registers While in Online Command Mode
- 4.4 S-registers Definitions
- S0 – AutoAnswer
- 4.4.2 S1 – Ring Count
- 4.4.3 S2 – Escape Code Character
- 4.4.4 S3 – Carriage Return Character
- 4.4.5 S4 – Line Feed Character
- 4.4.6 S5 – Backspace Character
- S6 – Wait to Blind Dial
- S7 – Wait For Carrier After Dialing
- S8 – Pause Time For Comma
- S9 – Carrier Detect Response Time
- S10 – Lost Carrier To Hang Up Delay
- S11 – DTMF Dialing Speed
- S12 – DTMF / Twist Dial Register
- S13 – DTMF Transmit Attenuation
- S14 – Bit Mapped Register
- 4.4.16 S15 – Calling Tone Off Time
- S16 – Calling Tone On Time
- S17 – Minimum Ring Frequency Register
- S18 – Maximum Ring Frequency Register
- 4.4.20 S19 – Dial Tone and Busy Precise Tones Bit Mask
- 4.4.21 S20 – Call Progress Tones Detect Type
- 4.4.22 S21 – Bit Mapped Register
- S22 – Bit Mapped Register
- 4.4.24 S23 – Busy Detect Cadence Count
- S24 – Desired DCE Speed
- S25 – Protocol Selection Register
- S26 – Bit Mapped Data Mode Control Register
- S27 – Call Progress Transmit Register
- S28 – Fast Connect, and Calling Tone Enable
- S29 – Extended Result Selection / Cadence Type Selection
- S30 – Bit Mapped Handshake Register
- S31 – Bit Mapped Connect Detect Register
- S32 – Pulse Dial Make Timer
- S33 – Pulse Dial Break Timer
- S34 – Pulse Dial Inter-digit Timer
- S35 – Cadence A Min On Time of Dial Tone
- S36 – Cadence A Max On Time of Dial Tone
- S37 – Cadence A Min Off Time of Dial Tone
- S38 – Cadence A Max Off Time of Dial Tone
- S39 – Cadence B Min On Time of Dial Tone
- S40 – Cadence B Max On Time of Dial Tone
- 4.4.42 S41 – Cadence B Min Off Time of Dial Tone
- S42 – Cadence B Max Off Time of Dial Tone
- S43 – Cadence A Min On Time of Busy
- S44 – Cadence A Max On Time of Busy
- S45 – Cadence A Min Off Time of Busy
- S46 – Cadence A Max Off Time of Busy
- S47 – Cadence B Min On Time of Busy
- S48 – Cadence B Max On Time of Busy
- 4.4.50 S49 – Cadence B Min Off Time of Busy
- S50 – Cadence B Max Off Time of Busy
- S51 – Cadence A Min On Time of Ring
- S52 – Cadence A Max On Time of Ring
- S53 – Cadence A Min Off Time of Ring
- S54 – Cadence A Max Off Time of Ring
- S55 – Cadence B Min On Time of Ring
- S56 – Cadence B Max On Time of Ring
- 4.4.58 S57 – Cadence B Min Off Time of Ring
- S58 – Cadence B Max Off Time of Ring
- S59 – Bit Mapped Register
- 4.4.61 S60 – Bit Mapped Test Control Register
- 4.4.62 S61 – Signal Detect Register 1
- S62 – Signal Detect Register 2
- S63 – Precise Call Progress Detect
- S64 – Signal Quality
- S65 – DTMF Detect Register
- 4.4.67 S66 – Wait for Dialtone
- 4.4.68 S67 – Qualify Dialtone
- 4.4.69 S68 – Test Timer
- 4.4.70 S69 – Test Error Count
- 4.4.71 S70 – Auto Retrain Threshold
- 4.4.72 S71 – Originate Mode Fallback Timer
- 4.4.73 S72 – Pulse Map, Caller-ID, BlackList
- 4.4.74 S73 – Configuration Register 1
- S74 – Billing Delay Register
- S75 – Pre-Dial Call Progress Imprecise Detect Level
- S76 – Post-Dial Call Progress Imprecise Detect Level
- S77 – Pre-Dial Call Progress Precise Detect Level
- S78 – Post-Dial Call Progress Precise Detect Level
- S79 – FSK Originate Carrier Detect Level
- S80 – FSK Answer Carrier Detect Level
- S81 – DPSK Originate Carrier Detect Level
- S82 – DPSK Answer Carrier Detect Level
- S83 – QAM Originate Carrier Detect Level
- S84 – QAM Answer Carrier Detect Level
- 4.4.86 S85 – DTMF Transmit Level
- 4.4.87 S86 – Flash On Time (!)
- 4.4.88 S87 – Flash Off Time (!)
- 4.4.89 S88 – Imprecise Filter Selection
- 4.4.90 S89 – Data Set Ready
- 4.4.91 S90 – RTS to CTS Turn-around Delay
- 4.4.92 S91 – Call Progress Transmit Level
- 4.4.93 S92 – Bit Mapped Register
- 4.4.94 S93 – Ring Interval Register
- 4.4.95 S94 – TIES Escape Prompt Delay Timer Register
- 4.4.96 S95 – Caller-ID Configuration Register
- 4.4.97 S99 – Country Codes Register
- S100 – Idir
- S101 – USR1x I/O
- S102 – Direction control for USR1x
- S103 – USR2x I/o
- S104 – Direction control for USR2x
- 4.4.103 S105 – Delay after any Call attempt
- 4.4.104 S106 – Delay between 1st and 2nd attempt
- 4.4.105 S107 – Delay between nth and n+1th attempt
- 4.4.106 S108 – Maximum successive Failed attempts
- 4.4.107 S109 – Delay between Series (Re-enable delay)
- 4.4.108 S110 – Line-In-Use Configuration Register
- 4.4.109 S111 – Line-In-Use Settle Time
- 4.4.110 S112 – Line-In-Use Energy Detection Wait
- 4.4.111 S113 – Line-In-Use Energy Detection Threshold
- 4.4.112 S114(Hi)-S115(Lo) – Maximum Carrier Detect Threshold (J7)
- 4.4.113 S116 – Parallel-Pick-Up Energy Detection Threshold
- 4.4.114 S117 – No Activity Timeout
- 4.4.115 S118 – Caller ID Ring Interrupt Delay
- 4.4.116 S119 – Wait Before Connect
- 4.4.117 S120 – Accepted Answer Tone Frequencies
- 4.4.118 S121 – Answer Tone Qualify Time
- 4.4.119 S122 – Parallel Pick Up Debounce Timer
- 4.4.120 S123 – Soft Ring Detect
- 4.4.121 S124 – V23 Half Duplex Enable
- 5 Related Documentation
- 6 Contact Information
- Revision History