Multi-Tech Systems MT3334SMI manual 1200 bps

Page 8

ModemModule Developer’s Guide

Carrier Frequencies

Transmit originate:

390

Hz mark

ITU-T V.23

 

 

450

Hz space

(1200 bps)

Receive originate:

1300

Hz mark

 

 

 

2100

Hz space

 

Transmit answer:

1300

Hz mark

 

 

 

2100

Hz space

 

Receive answer:

390

Hz mark

 

 

 

450

Hz space

Carrier Frequencies

Transmit originate:

980

Hz mark

ITU-T V.21

 

 

1180 Hz space

(0–300 bps)

Receive originate:

1650

Hz mark

 

 

 

1850

Hz space

 

Transmit answer:

1650

Hz mark

 

 

 

1850

Hz space

 

Receive answer:

980 Hz mark

 

1180 Hz space

 

 

Carrier Frequencies

Transmit originate:

1270

Hz mark

Bell 103/113

 

 

1070

Hz space

(0–300 bps)

Receive originate:

2225

Hz mark

 

 

 

2025

Hz space

 

Transmit answer:

2225

Hz mark

 

 

 

2025

Hz space

 

Receive answer:

1270

Hz mark

 

 

 

1070

Hz space

Fax Carrier

V.21 Ch2 (half duplex):

 

 

Frequencies

1650 Hz mark, 1850 HZ space for transmit originate

 

1650 HZ mark, 1850 Hz space for transmit answer

 

V.27ter: 1800 Hz originate/answer

 

V.29 QAM: 1800 Hz originate/answer

 

V.17 TCM: 1800 Hz originate/answer

Transmit Level

-11 dBm (dial-up)

 

 

Frequency Stability

±0.01%

 

 

 

Receiver Sensitivity

-43 dBm under worst-case conditions

AGC Dynamic Range

43 dB

 

 

 

Interface

Serial interface for EIA RS-232C/ITU-T V.24/V.28

Diagnostics

Local analog loop, local digital loop, remote digital loop.

Weight

0.02 Kg. (0.04 lb.)

 

 

Dimensions:

1.045" × 2.541" × 0.680"

 

 

 

(2.7 x 6.5 x 1.8 cm)

 

 

Power consumption:

Typical:

215 mA (1.3 W @ 5v DC)

 

Maximum: 420 mA (2.1 W @ 5.25v DC)

Environmental:

0-50° C;

humidity range 20–90% (non-condensing)

Approvals*:

UL 1950 approved

 

 

 

FCC Part 68 approved

 

 

 

Industry canada CS0s

 

 

 

EN60950

 

 

 

* Approvals are provided in controlled configurations and must be re-evaluated in end-user configurations.

8

MT3334SMI

Image 8
Contents Model MT3334SMI Evaluation Kit Data/Fax Socketed ModemRevision Description PatentsContents Index Introduction and Description Features IntroductionProduct Description ModemModule Developer’s GuideTechnical Specifications Introduction and Description1200 bps Physical Dimensions MT3334SMI Physical DimensionsLED1-LED4 Test/Demo Board SpecificationsDS1 Test/Demo Board Block Diagram MT3334SMI Test/Demo Board Block DiagramMT3334SMI Pin-out MT3334SMI PinoutTypical Application MT3334SMI Design Considerations Hardware ConsiderationsRecommended Transceiver PC Board Layout ConsiderationsCalculating Z for Tip and Ring Traces Qty Name Description MT3334SMI PlacementKey Telecom Labeling Requirements FCC PartMultiple Listing ReregistrationIndustry Canada CS-03 AT Commands, S-Registers, and Result Codes Repeat Last Command AnswerAT Commands, S-Registers, and Result Codes Monitor Speaker Volume Monitor Speaker ModeReturn Online to Data Mode Result Codes Enable/DisableModem Reset Sr? Read Register ValueTone Dialing Result Code FormatCommand &Fn Load Factory Settings Asynchronous Communications ModeDisplay Current Settings Store Current ConfigurationCommand &Zy=x Store Dialing Command \An Select Maximum MNP Block Size\Bn Transmit Break \Jn Data Buffer Control\Nn Error Correction Mode Selection \Tn Inactivity Timer\Qn Flow Control Selection \Vn Protocol Result CodeCommand %DCn AT Command Control Command %En Fallback and Fall Forward ControlCommand +ES=n Enable Synchronous Buffered Mode Enter Setup PasswordRegister Unit Range Default Description RegistersS43 Result Codes Terse Verbose DescriptionClass 1 Fax Commands Class 1 Fax Command Summary Command DescriptionClass 1 Fax Commands Fax MOD Modulation Parameter Values CommandFunction Display Current Class Values Default Data modem Result Code MeaningFunction ModemModule Developer’s Guide CommandFunction Select Service Class Values Default Data mode Class 1 Fax Commands +FRS=? Enter+FRM=? Enter Sample Sessions Flow ControlResult Codes Action by Command Respone Local Modem Remote PC AT+FRH=3 No Carrier ModemModule Developer’s Guide Class 2 Fax Commands Class 2 Fax Command Implementation Class 2 Fax Commands EIA SP-2388 August+FAA +FAXERR+FCR +FBOR+FCQ +FDCC Fax Capability Parameters+FDCS Current Session Results+FDFFC Data Compression Format Conversion+FDIS Current Session Parameters+FDR +FDT+FECM +FET+FK +FLID+FLNFC +FLPL+FPTS +FRBC+FREL +FSPL+FHNG +FTSIMT3334SMI Remote Configuration Basic Procedure SetupChanging the Setup Password ModemModule User GuideRemote Configuration Changing the Remote Escape CharacterMT3334SMI Troubleshooting Test procedure Local Analog Loopback Test V.54 LoopTroubleshooting Remote Digital Loopback Test V.54 LoopLocal Digital Loopback Test V.54 Loop Local digital loopback testUpgrade Procedure Upgrade Overview Identify the Modem FirmwareIdentify the Current Firmware Version Multi-Tech Web SiteMulti-Tech BBS Download the Upgrade FileUpgrade Procedure Extract the Upgrade Files Use FlashPro to Upgrade Modem FirmwareRestore Your Parameters Clear Your Stored ParamentersAppendixes MT3334SMI FCC FAX Update International Modem RestrictionsCanadian Limitations Notice AppendixesNew Zealand Telecom Warning Notice EMC, Safety and Terminal Directive ComplianceEuropean Directives User Guide Statement Appendix B Multi-Tech Flash Programming Protocol IntroductionProgramming the Modem Handshake SequenceModemModule Developer’s Guide Program Sequence Other supported boot code commandsOther programming concerns Xxxx Intel Hex FormatData Record Eeee Extended Address RecordEnd of File Record Index IndexMT3334SM MT3334SMI MT3334SM