Multi Tech Equipment MT202TD manual Technical Specifications

Page 6

MT202TD User Guide

Technical Specifications

Your MT202TD modem meets the specifications listed below:

Model Number

MT202TD

Data Rate

0–1200 bps

Compatibility

Western Electric 202 and 202T

 

Data Sets, 202C, 202D, 202E,

 

202R models

Mode of Operation

2-wire half duplex or 4-wire full

 

duplex

Line Requirements

2- or 4-wire leased line

 

unconditioned

Modulation

Frequency Shift Keyed (FSK)

Carrier Frequencies

Mark:1200Hz; Space: 2200Hz;

 

Soft Carrier: 900Hz

Transmit Level

-0 dBm Adjustable to -9 dBm via

 

Dip switch

Frequency Stability

±0.01% (crystal controlled)

Receiver Sensitivity

-40 dBm under worst case

 

conditions

Timing

Request to Send/ Clear to Send:

 

180 ms

 

Carrier Detect:

 

Turn on 30 ms

 

Turn off 10 ms

 

Receiver Squelch:

 

Default 156 ms

 

Soft Carrier:

 

Default 25 ms

 

Minimum 10 ms

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Contents Model MT202TD Copyright Contents Index Introduction and Description Introduction & DescriptionTechnical Specifications Indicators ConnectorsDiagnostics Operating TemperaturePower Safety WarningsIntroduction Installation & Connection Unpacking the ModemModem LED Indicators MT202TDControls on PC Board PC Board ControlsComputer or Terminal Connections MT202TD RS-232 Signal Descriptions Circuits Function Signal Name EIA ITU-T SourcePin Installation Steps Modem and Phone Line ConnectionDIP Switch Settings Removing ScrewsDIP Switch and Switch Settings & Functions See FigureFour-Wire Leased Line Connection Leased Line ConnectionsModem Testing Local Analog Loopback TestModem Testing Digital Loopback TestLimited Warranty Online Warranty RegistrationService Warranty, Service & Technical SupportMulti-Tech Systems, Inc Woodale Drive Mounds View, MN Technical Support Internet SitesRecording Modem Information FCC Part 15 Class a Statement AppendixIndustry Canada FCC Part 68 Telecom RJ11C Index MT202TD User GuidePage 82096501