Download 73M2901CE AT Command User Guide

UG_2901CE_027
73M2901CE AT Command User Guide
Table of Contents
1 2 Introduction ......................................................................................................................................... 7 AT Commands ..................................................................................................................................... 8 2.1 A – Answer.................................................................................................................................... 8 2.2 A/ – Repeat Last Command ......................................................................................................... 8 2.3 B – Bell, ITU, V.23, or Bell202 Operation ..................................................................................... 8 2.4 C[n] – Select Carrier Detect Option .............................................................................................. 8 2.5 D[n...n] – Dialing String ................................................................................................................. 9 2.6 E[n] – Echo Commands On/Off .................................................................................................. 10 2.7 F– Load Factory Defaults ........................................................................................................... 10 2.8 G – Guard Tone Select ............................................................................................................... 10 2.9 H[n] – On-Hook/Off-Hook Control ............................................................................................... 10 2.10 I[n] – Identification and ROM Tests ............................................................................................ 11 2.11 J[n] – PTT Test ........................................................................................................................... 11 2.12 K[n] – Flow Control ..................................................................................................................... 12 2.13 L[n] – Fast Connect..................................................................................................................... 12 2.14 N[n] – Data Set Ready Signal Control ........................................................................................ 12 2.15 O[n] – Return to On-Line ............................................................................................................ 14 2.16 P – Pulse Dial ............................................................................................................................. 14 2.17 Q[n] – Result Codes On/Off ........................................................................................................ 14 2.18 R[n] – Select Data Terminal Ready Option ................................................................................ 14 2.19 S[r] – Modify/Read S-registers.................................................................................................... 15 2.20 T – Tone Dialing.......................................................................................................................... 15 2.21 V[n] – Select Result Codes Numbers/Words .............................................................................. 16 2.22 W[n] – Select Extended Result Code ......................................................................................... 16 2.23 X[n] – Select Result Code Set .................................................................................................... 17 2.24 Y[n] – Selects Asynchronous or Synchronous Modes................................................................ 18 2.25 Z – Reset Modem ....................................................................................................................... 18 2.26 +++ .............................................................................................................................................. 18 2.27 +++AT ......................................................................................................................................... 18 3 Extended AT Commands ................................................................................................................. 19 3.1 @A[p] – Modify/Read MAC RAM Memory Value ...................................................................... 19 3.2 @B[p] – Modify/Read IRAM Memory Value ............................................................................... 19 3.3 @L[n] – Set Lease Line Operation ............................................................................................. 19 3.4 @P[n] – Alternate Pulse Dial Make/Break Ratio ........................................................................ 19 3.5 @T[n] – Select Test Mode .......................................................................................................... 20 3.6 @Z Power Down ......................................................................................................................... 20 4 S-registers ......................................................................................................................................... 21 4.1 Setting S-registers ...................................................................................................................... 21 4.2 Reading S-registers .................................................................................................................... 21 4.3 Setting/Reading S-registers While in Online Command Mode ................................................... 21 4.4 S-registers Definitions ................................................................................................................. 21 4.4.1 S0 – AutoAnswer ............................................................................................................. 21 4.4.2 S1 – Ring Count .............................................................................................................. 22 4.4.3 S2 – Escape Code Character.......................................................................................... 22 4.4.4 S3 – Carriage Return Character...................................................................................... 22 4.4.5 S4 – Line Feed Character ............................................................................................... 22 4.4.6 S5 – Backspace Character .............................................................................................. 22 4.4.7 S6 – Wait to Blind Dial ..................................................................................................... 22 4.4.8 S7 – Wait For Carrier After Dialing .................................................................................. 22 4.4.9 S8 – Pause Time For Comma ......................................................................................... 23 4.4.10 S9 – Carrier Detect Response Time ............................................................................... 23 4.4.11 S10 – Lost Carrier To Hang Up Delay ............................................................................ 23 Rev. 2.0
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