Multi-Tech Systems MT5600DSVD manual Voice Compression

Page 68

MultiModemDSVD User Guide

 

B Technical Specifications

Voice Compression

PCM 128, 8000 Hz, or IMA ADPCM, 8000 Hz, (selectable

and Sampling Rate

via #V commands). Note that your computer system should

 

have a processing speed of at least 75 MHz to take full ad-

 

vantage of the telephony features of this product.

Transmit Level

-11 dBm (dial-up)

 

Frequency Stability

±0.01%

 

Receiver Sensitivity

-43 dBm under worst-case conditions

AGC Dynamic Range

43 dB

 

Impedances

Microphone input:

2.2 kW

 

Speaker output:

50W

Interface

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

Connectors

DB25 RS-232C connector; two RJ-11 phone jacks (one RJ-11

 

jack on UK and international modems), power jack; 1/8-

 

inch stereo speaker jack and microphone jack.

Cables

One RJ-11 phone cable (USA); country-specific cord for UK

 

and International models; external power transformer and

 

cord

 

 

 

 

Note: Any cables connected to the computer should be

 

shielded to reduce interference.

Diagnostics

 

Power-on self test, local analog loop, local digital loop, re-

 

mote digital loop.

 

Indicators

LEDs for Transmit Data, Receive Data, Carrier Detect, 56K

 

bps, 33.6K bps, 14.4K bps, Off Hook, Terminal Ready, Error

 

Correction, Fax.

 

Speaker

Command-controlled 2-inch speaker for call progress moni-

 

toring.

 

Manual Control

ON/OFF power switch

Environmental

Temperature range 0°–50°C (32°–120°F); humidity range

 

20–90% (non-condensing)

Power Requirements

100–130VAC, 50/60 Hz, 5 W; two-prong outlet-mounted

 

transformer (included); 230V/50 Hz optional (international)

Power Consumption

9 VDC, 300 mA maximum transformer output

Dimensions

10.8 cm wide x 14.8 cm long x 2.9 cm high (4.25" x 5.8" x

 

1.15")

 

Weight

224 g (8 oz)

 

Limited Warranty

10 years

 

63

Image 68
Contents Page Record of Revisions Introduction AT Commands, S-Registers & Result Codes Appendix E Upgrading the Modem Introduction Product Description FeaturesIntroduction Data What Is in Your Modem Package? Related ManualsInstallation Safety Warnings What You Will NeedWe supply You supplyOpening the Modem Mount the FeetChange the Speaker Jumper Changing the Speaker Jumper Location of speaker jumperLine Connection Connect the Modem to Your SystemRS232 Connection Power Connection Power-On TestPhone Connection Microphone ConnectionRemoving Your Old Modem Driver Install the Modem DriverInstalling the Modem Driver Install and Configure Your Software Operation Front Panel Configuring the Modem Connecting to the InternetTo install and run Dial-Up Networking in Windows 95 or To dial your Internet access providerDial-Up Networking Dial-Up Networking in Windows 95/98Dial-Up Networking in Windows NT To install Dial-Up NetworkingDial-Up Networking in Windows Me Select Start Settings Network and Dial-up Connections Dial-Up Networking in WindowsVoice Operation To Originate a Voice Call in Speakerphone ModeFax Operation To Answer a Dsvd Call Using the Headset To Answer a Voice Call in Speakerphone ModeTo Originate a Dsvd Call Using the Headset References AT Commands Registers Result Codes AT Commands AT Command Summary Echo Command Mode Characters DS=y Dial Stored Telephone NumberHook Control Information RequestMonitor Speaker Volume Monitor Speaker ModeDisplay Legacy Parameters Modulation HandshakeReturn Online to Data Mode Result Codes Enable/DisablePulse Dialing Select RegisterModem Reset Connect Message ControlResult Code Selection Long Space DisconnectError Correction Modes Data Carrier Detect DCD ControlData Terminal Ready DTR Control Modem-Initiated Flow ControlLoad Factory Settings 42bis Data Compression22bis Guard Tone Control Telephone Jack ControlCommunications Mode Asynchronous Communications ModeTest Commands Pulse Dial Make/Break RatioDisplay Current Configuration Store Current ConfigurationSelect Profile for Hard Reset Display Last Connection StatisticsLine Signal Level Line Signal QualityZy=x Store Telephone Number Data Compression ControlPCM Code Selection \An Maximum MNP Block Size\Bn Transmit Break \Kn Break Control\Nn Error Correction Mode Selection \Vn Single Line Connect MessageModulation Selection SubparametersMNP Extended Services Flash Memory Download Command #CID=n Caller IDDistinctive Ring Control Voice Commands Command $SBn Serial Port Baud RateCommand +++ATCR Escape Sequence Command -SMS=nData/DSVD ModeDsvd Enable/Disable Command #BDR=n Baud Rate SelectCommand #CLS=n Data, Fax, or Voice/Audio Select Command #MDL? Identify ModelRegister Unit Range Default Description RegistersS32 S37 Register Unit Range Default Description S86 Result Codes Terse Verbose DescriptionProtocol ALT +FCERROR Solving Problems None of the Indicators Light Modem Does Not Respond to Commands LightModem Dials But Cannot Connect Modem4Disconnects While Online Data Is Being Lost Modem4Cannot Connect When AnsweringFile Transfer4Is Slower Than It Should Be Fax and Data4Software Can’t Run at the Same Time There Are Garbage4 Characters on the MonitorModem4Doesn’t Work with Caller ID Appendixes Appendix a Regulatory Compliance FCC Part 68 TelecomFCC Part Industry CanadaFax Branding Statement Canadian Limitations NoticeNew Zealand Telecom Warning Notice EMC, Safety, and R&TTE Directive ComplianceInternational Modem Restrictions South African Notice Appendix B Technical Specifications MultiModemDSVD User Guide Technical Specifications Voice Compression Test procedure Local Analog Loopback Test V.54 LoopRemote Digital Loopback Test V.54 Loop Figure C-2. Remote digital loopback testLocal Digital Loopback Test V.54 Loop Figure C-3. Local digital loopback testMultiModemDSVD User Guide Loopback Tests Limited Warranty Online Warranty RegistrationService North American ProductsTechnical Support International ProductsOrdering Accessories Internet SitesUpgrade Overview Identify the Modem FirmwareDownload the Upgrade File Extract the Upgrade FilesIdentify the Current Firmware Version Clear Your Stored ParamentersUpgrade the Modem’s Firmware Restore Your ParametersIndex MultiModemDSVD User Guide Index MultiModemDSVD User Guide Index MultiModemDSVD User Guide Index