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Standard RS-232 Examples
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Install
RS-232 Signals
Password
Error Correction
Inactivity Timer
Ring Indicator RI Pin
Connecting the Cables
Warranty
Configuring the Modem
25BIS RST Reset
Page 252
Image 252
Standard
RS-232
Examples
Page 252
Page 251
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Contents
Global Carrier 56 Modem User’s Guide
Page
Contact Information
Technical Support
Mailing List
Contents
106
203
248
Error Correction
Dumb Mode
AT Commands
RS-232 Signals
Unpacking Your Hardware
Additional Items You Need
Hardware Overview
Back View
Front View
DTE RS232
Installation Summary
Finding a Suitable Location
Connecting the Cables
Set Connector Power Input
Telco/Dial Line Telephone
Driver Installation
Windows
Windows ME
Modem LED Display
Front Panel Mode LEDs
Line Modulation One
Three Four
AT Commands
Multiple Commands
Escape Sequence
Repeat Command
Help Command
Response Codes
Dialling
Dial Modifiers
Hanging Up
Stored Number Dialling
Answering Calls
ATCommands
Selecting Speeds
Terminal Speeds
Setting Terminal Speeds
90 & V.34 Typical Settings
Line Speeds
32bis Modem Typical Settings
Example 3 Dialling information services at 1200 bps or
Example 2 Dialling other modems at 19,200 bps V.34 or V.FC
Example 2 Dialling other modems at 14,400 bps or V.32bis
Example 3 Answering incoming calls
Flow Control
RTS/CTS Flow Control
XON/XOFF Flow Control
Transparent XON/XOFF Flow Control
Inactivity Timer
Command Timer
Failsafe Flow Control
AT\T5
Configuring the Modem
Viewing the Current Configuration
Error Correction
Error Correction Protocols
Reliable Mode
Auto-Reliable Mode
Data Compression
Improving Performance with MNP
Speed Changes
Cellular Modem Users
ATCommands
Entering a Security Password
Security Menu
Adding and Changing Users
Access Record
Removing Users
Listing Existing Users
Enabling Modem Security
Quitting the Menu
Callback Security
Downloading the Security File
Integrating Caller ID into the Security Database
Encryption
SuperSecure Advanced Security Mode
DES Multikey
Entering a Key for Each User
Accessing a System Using SuperSecure
Ringing
Password Expiry Option
Enabling Rotating Secondary Keys
Entering a Password in the Remote Modem’s Database
Entering a New Password in the Local Modem’s Database
Minimum Password Length
Outdial Disable Option
Security Database Lock Option
Dial Stored Phone Numbers Only Option
General Notes on Data Security
Synchronous Modes
Synchronous Operation
Synchronous Mode
Selecting Synchronous Mode
Dialling
Hanging Up
Answering Calls
Dialling
Smart Leased- Line Mode
Calling and AnsweringUsing &L1
Leased Line Operations
Auto Leased Line Operation &L2 or &L3
Wire Leased Line setup via audio port
Setting Up your Modem
Selecting Communications Speeds
Dialling in Dumb Mode
Hints for Unix Computers and Multiplexers
Using the Talk /Data Button to Dial
Using DTR to Dial
Answering Calls in Dumb Mode
Manual Answering
Option Switches
Switch
Description
AT%F
25bis Operations
Selecting V.25bis Operation
Overridden Settings
25bis Commands
Data Formats
25bis Indications
Verbal Meaning
Hanging Up
Direct Dialling
Selecting Speeds
DB25 Pin Signal
Modem Cable
Synchronous Character Encoding
Asynchronous Notes
Hdlc Notes
Distinctive Ring Commands
AT-SDR=0
AT-SDR=7
Caller ID
Enabling the Caller ID Function
Integrating Caller ID into the Security Database
AT#CID?
AT#CID=?
Distinctive Ringing ‘Tune’ Option
Call Logging
Call Log Format
+++ Escape Sequence
Options
See Also
Remote Access Sequence
ATA, ATD, ATH, ATZ, AT&T
Request remote access
AT? Interactive Command Help
AT?
AT?&T
Repeat Last Command
ATA Answer
Command Speed
ATBn Select Communications Standard
B10 32 at 4800bps
B11 32 at 7200bps B12
See Also
ATD Dial
Example
Dial Modifiers
Pause
Return to local command state
Reverse mode
@ wait for quiet answer
Or disable calling tones
Initiate MNP 10 at 1200 bps
MNP 10 Cellular Option
Last number redial
Hook flash
=n dial stored phone number n
Wait for dial tone
See Also
ATE Echo
Range
ATE0
ATH Hang Up
ATH0
ATH1
ATH2
ATI Identity
ATL Speaker Volume Control
Range See Also
ATL0
ATL1
ATM Monitor
ATM0
ATM2
ATM3
ATO Return to On-line State
ATO27
ATO28
ATO29
ATO30
ATQ Quiet Suppress Response Codes
ATQ1
ATQ2
ATR Set Terminal Speed
ATR26
ATR28
ATR38
ATR57
ATSn? Display S Register Value
ATSn= Set S Register Value
ATV Verbal Response Codes
Verbal Numeric Meaning
ATW Connection Speed Information
ATW0
ATW1
ATX Extended Response Codes
Command
ATZn Restore Configuration Profile
ATZ0
ATZ1
ATZ2
AT&B Character Length
Range Options
AT&C Controlling Data Carrier Detect
AT&C0
AT&C2
AT&C3
AT&D Controlling Data Terminal Ready
AT&D0
AT&D1
AT&D3
AT&F. Reinitialise Modem
AT&F Restore Factory Defaults
AT&F0
AT&F1
AT&F2
AT&G Guard Tone
AT&G1
AT&G2
AT&H Clock Control
AT&H1
AT&K Flow Control
AT&K0
AT&K4
AT&K5
Modem to the computer
AT&L Leased Line
AT&M Synchronous/Asynchronous Mode
AT&M1
AT&M2
AT&M4
Range See Also
AT&N Abort Connection
AT&N0
AT&R RTS/CTS Control
AT&R1
AT&S Controlling DSR
AT&S1
AT&S2
AT&Vn View Active Configuration Profile
AT&Wn Write Configuration Parameters
AT&W0
AT&W1
AT&W2
AT&X Transmit Clock
AT&X1
AT&X2
AT&Yn Select Stored Profile on Power Up
AT&Y0
AT&Y1
AT&Y2
AT&Z Stored Phone Number
AT#A Universal Remote Access
AT#A0
AT#A1
Range
AT#B 1200bps Originate Mode
AT#B1
AT#C V.25 Calling Tones
AT#C0
AT#CID Caller ID
AT#CID0
AT#CID1
AT#CID2
AT#CID3
AT#D V.25bis Direct Calling
AT#D1
AT#E Encryption
AT#E1
AT#E2
AT#E3
AT#H Display Help
AT#I V.22bis Leased Line
AT#I1
AT#J V.42 Capability Checking
AT#J0
AT#K MNP 10 mode
AT#K0
AT#K2
AT#M Command Mode Selection
AT#M1
AT#M2
AT#M3
AT#N V.25bis Character Encoding
AT#N1
AT#O Buffer Overflow
AT#O1
AT#O2
AT#O3
AT#Q V.25bis Terminal Speed
AT#R Enable Remote Control
AT#S Security Menu
AT#U V.25bis Character Set
AT#U1
AT#V Verifier
AT#V0
AT%B AutoAnswer Setting
AT%B2
AT%C Compression Control
Examples
AT%D Set Disconnect Delay
AT%E Auto EQM Retrain
AT%E0
AT%E1
AT%F DTR/DSR override
AT%F0
AT%H MNP 10 Negotiation Speed
AT%H1
AT%H2
AT%H3
AT%K CTS During Dial and Handshake
AT%K1
AT%L Display Line Signal Level
AT%Ln Transmit Level Data Mode
11-19
AT%M Mode LED Indication
AT%M1
AT%N Non-Standard Terminal Speeds
AT%N1
AT%N2
AT%P Connect Message Timing
AT%P1
AT%Q Line Signal Quality
AT%Q
AT%R CTS Override
AT%R1
AT%R2
AT%S DSR Override
AT%S1
AT%T DCD Override
AT%T1
AT%U V.42 Response Codes
AT%U1
AT%U2
AT%W Welcome Message
AT%W1
AT\A MNP Block Size
AT\A0
AT\A1
AT\A2
Default See Also
AT\Bn Generate Break
AT\B4
AT\J Auto-Reliable Fallback
AT\J1
AT\K Break Control
Default
AT\N Asynchronous Operating Mode
See Also
AT\Q Extended Flow Control
AT\S Display Active Configuration
AT\S
AT\Tn Inactivity Timer Data Mode
AT\V Error Correction Response Codes
AT\V1
AT\V8
AT\V9
AT\X XON/XOFF Pass Through
AT\X1
Default Range See Also
AT*K Select Primary DES KEY from Stored Keys
AT*R V.13 Remote RTS Signalling
AT*R1
AT*S Change Current User Password
AT*T Auto Call Redial
AT*T1
AT*V Maximum V.42bis Dictionary Size
AT*V1
AT*W Welcome Message Text
AT*Y Escape Seq. Detection in Sync
AT*Y1
AT+ICF Character Framing and Parity Select
AT+MS Select Modulation
Mod
Automode
Minrate
Maxrate
Xlaw
Rbsignaling
Connecting with 56k technology
Nn Automode
AT+MS=? Reporting Supports Options
+MS
AT-Q MNP10 Fallback to V.22bis
AT-Q0
AT-DATE Time & Date
AT-LOG Call Log
AT-LOG
AT-LOG2
ATE V.32 compromise Equaliser
25BIS CIC Connect Incoming Call
25BIS CRN Dial
Modifier Meaning
CRS command Dial Stored Number Register
25BIS CRS Dial Stored Number
25BIS DIC Disregard Incoming Call
25BIS PRN Stored Phone Number
CRS
25BIS RST Reset
Register Settings and Modem Memory
Introduction
Reading and Changing S Registers
Page
Default Range
ATS0 Rings Before Answer
ATS1 Ring Count
ATS2 Escape Sequence Character
Default Example
ATS3 Carriage Return Character
ATS4 Line Feed Character
ATS5 Backspace Character
ATS6 Dial Tone Wait Time
ATS7 Wait for Carrier
ATS8 Pause Dial Modifier Delay
ATS9 Carrier Detect Response Time
ATS10 Lost Carrier/Hang Up Delay
ATS11 Dtmf Tone Timing
ATS12 Escape Sequence Guard Time
ATS16 Test in Progress read only
ATS16
ATS18 Test Timer
ATS25 DTR Loss Detection
ATS26 RTS/CTS Delay
ATS27 Delay Before Dial
ATS29 Hook Flash Duration
ATS30 Inactivity Timer
Data Mode
Voice Mode
ATS105Voice ‘Dead-man’ Timer
ATS33 EQM Threshold Value
ATS38 Disconnect Delay
ATS42 Modem Disconnect Reason
Value Meaning
ATS43 Break Sequence Length
ATS45 V.22bis EQM Threshold Value
ATS57 DTR High Detection
ATS62 V.42 Detection Timer
ATS66 Remote Access Guard Time
ATS67 Remote Access Character
ATS69 Command Line Time-out
ATS71 Ignore Incoming Call
ATS74 Disconnect Reason for Prev. Call
ATS80 Flow Control High Water Mark
ATS81 Flow Control Low Water Mark
ATS82 Failsafe Flow Control Overrun
ATS95 Extended Response Codes
ATS96 Help Page Width
ATS97 Help Page Length
ATS105 Voice ‘Dead Man’ Timer
ATS30
ATS122 AutoRateChange
EQM
ATS123 AutoRateChange
ATS124 Duration EQM
Modem Response Codes
Modem Response Codes
25bis Indications
Signal Ground SG Pin
Transmit Data TxD Pin
Receive Data RxD Pin
Request To Send RTS Pin
Ring Indicator RI Pin
Data Carrier Detect DCD Pin
Transmit Clock TxC Pin
Receive Clock RxC Pin
Standard RS-232 Examples
Abbreviated Command List
General Commands
Page
Answer mode
Page
#CID0
S0=0 No AutoAnswer
Mod Possible Rates bps
Distinctive Ring Commands
Dial Modifiers
AbbreviatedCommandList
Page
Ansi
Ascii
BBS
BPS
Contention
Character Set
Clear to Send CTS
Clock
CPU
CRT
CTS
DCD
DCE
DTE
Ebcdic
Eeprom
EIA
Mail
ENQ
ETX
Hdlc
Header
Hertz Hz
Horizontal Redundancy Checking HRC
Host Computer
ISO
ITU
LED
Log on
Log Off
Longitudinal Redundancy Check
Loopback
NAK
Pabx
PBX
PEP
Prom
RAM
ROM
RTS
Sdlc
SIG
SOH
STX
SYN
XON/XOFF
ZModem
Command Sets
Caller ID
Error Correction
Encryption
Environmental
Humidity
Product Warranty
RMA Procedure
Return Merchandise Authorization RMA Procedure
Compliances
Department of Canada Statement
Compliances
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Contents