Multi-Tech Systems MT5600BA-V92 manual Command %En Line Quality Monitor, Command Line Signal Level

Page 12

Chapter 2 – AT Commands

Command: %En Line Quality Monitor

Values:

n = 0, 1, or 2

Default:

2

 

Description:

Controls whether or not the modem will automatically monitor

 

a retrain (%E1) or fall back to a lower speed when line quality

 

forward to a faster speed when line quality is sufficient (%E2).

 

%E0

Disables line quality monitor and auto-retrain.

 

%E1

Enables line quality monitor and auto-retrain.

 

%E2

Enables line quality monitor and fallback/fall forward.

the line quality and request is insufficient and fall

Command:

%L Line Signal Level

Values:

None

Default:

None

Description:

% L Returns a value that indicates the received signal level in dBm. This value is a direct

 

indication (DAA-dependent) of the receive level at the MDP, not at the telephone line

 

connector. Examples: 009 = -9 dBm, 043 = -43 dBm, and so on.

Command:

%Q Line Signal Quality

Values:

None

Default:

None

Description:

% Q reports line signal quality (DAA-dependent) as a three-digit number. Returns the

 

higher order byte of the EQM value. Based on the EQM value, retrain or fallback/fall

 

forward may be initiated if enabled by %E1 or %E2.

Command:

%U PCM Code Selection

Values:

n = 0 or 1

Default:

0

 

Description:

Specifies the PCM code type for 56K modulation. Note, however, that the modem

 

automatically selects the code type if the server sends the proper ID.

 

%U0

Selects µ-Law coding—used in North America and Japan.

 

%U1

Selects A-Law coding—used outside North America and Japan.

 

Note: See also the +MS= command.

Command:

\An Maximum MNP Block Size

 

Note: For use with MT5600BA and MT5600BR only.

Values:

n= 0, 1, 2, or 3

Default:

1

 

Description:

\A0

64-character maximum block size.

 

\A1

128-character maximum block size.

 

\A2

192-character maximum block size.

 

\A3

256-character maximum block size.

Command:

\Bn Transmit Break

Values:

n = 0–9 in 100 ms units

Default:

3

Description:

In non-error-correction mode only, sends a break signal of the specified length to a remote

 

modem. Works in conjunction with the \K command.

Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273G)

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Contents MultiModem→ Warranty CopyrightRecord of Revisions TrademarksTable of Contents You must press Enter to send the command to the modem IntroductionAT Commands General CommandsCommand DS=n Dial Stored Telephone Number Command En Echo Command Mode CharactersCommand Hook Control Command Information RequestCommand Result Codes Enable/Disable Command ? Read Register ValueCommand Tone Dialing Command Result Code FormatCommand Long Space Disconnect Command Modem ResetCommand Data Carrier Detect DCD Control Command Dn Data Terminal Ready DTR ControlCommand Modem-Initiated Flow Control Command V.42bis Data CompressionCommand Load Factory Settings Command V.22bis Guard Tone ControlCommand Make/Break Dial Ratio Command Sync/Async ModeCommand Clear to Send CTS Control Command Data Set Ready DSR ControlCommand Store Current Configuration Command &Xn Synchronous Clock SourceCommand Select Profile for Hard Reset Command &Zn=x Store Telephone NumberCommand %En Line Quality Monitor Command Line Signal LevelCommand Line Signal Quality Command PCM Code SelectionCommand \Kn Break Control Command \Nn Error Correction Mode SelectionCommand \Vn Single Line Connect Message Report CommandsCountry/Region of Installation Command +MS= Modulation SelectionValues & Default SubparametersCommand MNP Extended Services Command Flash Memory DownloadCommand View Numbers in Blacklist Command View Delayed NumbersEscape Commands Command +++ Escape SequenceCommand *E Escape Remote Configuration Modem Connection Commands Command +PCW=n Call Waiting EnableCommand +PIG=n PCM Upstream Ignore Command +PQC=n Quick Connect ControlForce Full Startup Procedure Next Connection Enable Quick Connect Profile SaveResult Code Caller ID Commands Callback Security CommandsData Compression Commands Command +DR Data Compression ReportingCommand +DS Data Compression Command +DS44 V.44 Compression SelectError Control Commands Command +EB Break Handling in Error Control OperationCommand +EFCS Bit Frame Check Sequence Command +ER Error Control ReportingCommand +ESR Selective Reject Command +ETBM Call Termination Buffer Management+ESR? DTE Commands Command +IFC DTE-Modem Local Flow ControlCommand +ILRR DTE-Modem Local Rate Reporting Reported RateModulation Command Command +IPR Fixed DTE RateCommand +MR Modulation Reporting Control +MCR Report SyntaxCall Control Command Command -STE= Set Telephony ExtensionBehavior in Data Mode +FCLASS=0 Behavior in Voice Mode +FCLASS=8Examples Test Command Command &T n Test CommandNo Carrier ATS86? Voice Commands Voice Commands OverviewConfiguration Commands Command +FCLASS=8 Select Voice ModeCommand +VNH= Automatic Hang-up Control Command +FLO Flow ControlVoice Commands Command +VIP Voice Initialize All ParametersCommand +VRX Start Modem Receive Record Command +VTS Send Voice TonesCommand +VTX Start Modem Transmit Playback Command +VGR Voice Gain Receive Record GainCommand +VGT Voice Gain Transmit Playback Volume +VTS ExamplesCommand +VIT Voice Inactivity Timer DTE/Modem Command +VLS Analog Source/Destination Selection+VLS Example Command +VRA Ringback Goes Away Timer Table of +VLS Command Options Label Primitives Description+VSP=1 IntervalCommand +VRN Ringback Never Appeared Timer Command +VSD Silence Detection Quiet and SilenceCommand +VSM Compression Method Selection Command +VTD Beep Tone Duration Timer Command +VDR Distinctive RingCommand +VDT Control Tone Cadence Reporting Before using it DescriptionRate +VPR?Speakerphone Commands Command +VSP Speakerphone ON/OFFCommand +VGM Microphone Gain Command +VGS Speaker GainVoice Mode Shielded Codes Unformatted Form Reporting Caller IDShielded Hex Event Report Description Code Event Number 4 Extended Keypad Dtmf a V.8bis Commands Command +A8E V.8bis Operation ControlsCommand +A8I CI Signal Indication Default Values25bis Commands 25bis Responses List Request of Forbidden NumberList Identification Number List Request of Stored NumberReg Unit Range Default Description RegistersRegisters Registers +MR, +ER,+DR, and W commands Result Codes FAX Data+DR ALT +DR None+ER None +ER LapmTerse Verbose Description Terse Verbose Description Setting Country/Regional Codes ExampleIndex Qcpc 46, 47, 48, 49 Index
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MT5600BA-V92 specifications

Multi-Tech Systems MT5600BA-V92 is a versatile communication device designed for efficient data transmission over telephone lines. It is highly regarded for its reliability and performance in various applications, including point-of-sale transactions, remote monitoring, and data acquisition. One of the key features of the MT5600BA-V92 is its ability to operate at data rates of up to 56 Kbps. This high-speed modem ensures rapid data transfer, making it suitable for businesses that require quick and efficient communication.

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