Page 2 - User Guide; Copyright; Revision; Change MT202TD graphic; PATENTS
User Guide MT202TD P/N 82096502 Revision C COPYRIGHTThis publication may not be reproduced, in whole or in part, withoutprior expressed written permission from Multi-Tech Systems, Inc. Allrights reserved. Copyright © 2000-2003, by Multi-Tech Systems, Inc. Multi-Tech Systems, Inc. makes no representa...
Page 3 - Contents
Contents Chapter 1 - Introduction and Description ......................... 5Introduction ........................................................................... 5Description ............................................................................ 5Technical Specifications .....................
Page 5 - Chapter 1 - Introduction and Description; Introduction
Chapter 1 - Introduction & Description 5 Chapter 1 - Introduction and Description Introduction This manual provides instruction for installing, cabling,operating, and troubleshooting Multi-Tech System’s modelMT202TD 1200 bps modem. Description The MT202TD is a low speed asynchronous modem whiche...
Page 6 - Technical Specifications; Your MT202TD modem meets the specifications listed below:
MT202TD User Guide 6 Technical Specifications Your MT202TD modem meets the specifications listed below: Model Number MT202TD Data Rate 0–1200 bps Compatibility Western Electric 202 and 202TData Sets, 202C, 202D, 202E,202R models Mode of Operation 2-wire half duplex or 4-wire fullduplex Line Requirem...
Page 7 - Two years
Chapter 1 - Introduction & Description 7 Interface EIA RS-232C / ITU-T V.24 Connectors One DB-25 RS-232 C connector(25-pin female connector),external power transformer, RJ11line jack Diagnostics Analog loopback and digitalloopback Indicators LEDs for Transmit Data, ReceiveData, Carrier Detect, C...
Page 8 - Chapter 2 - Installation and Connection; Never install telephone wiring during a lighting storm.
MT202TD User Guide 8 Chapter 2 - Installation and Connection Introduction The installation of the MT202TD consists of setting DIPswitches to the appropriate settings and then making the serial,phone line, and electrical power connections. Power Power is supplied to model MT202TD through an AC powert...
Page 9 - Unpacking the Modem; Remove all items from the box.
Chapter 2 - Installation & Connection 9 Unpacking the Modem Remove all items from the box. Figure 2-1. Unpacking the MT202TD The packing box contains the following items: l One MT202TD modem l One MT202TD User Guide l One power transformer l One RJ11/RJ11 cable l One RJ11/RJ48 cable If any of th...
Page 10 - Modem LED Indicators; The MT202TD has seven diagnostic LED indicators. They are:
MT202TD User Guide 10 Modem LED Indicators Figure 2-2. LED Display The MT202TD has seven diagnostic LED indicators. They are: TD Transmit Data - This LED blinks when data is beingtransmitted: on for a space; off for a mark. The state ofthis LED matches the TD circuit on Pin 2 of the RS-232C/V.24 int...
Page 11 - Controls on PC Board; Figure 2–3. PC Board Controls
Chapter 2 - Installation & Connection 11 Controls on PC Board The MT202TD circuitry is on a single printed circuit (PC) board.This board contains one 8-position DIP switch (numbered 1-8),an analog loopback test switch, and a digital loopback testswitch. The factory default setting is for 4-wire,...
Page 12 - Computer or Terminal Connections
MT202TD User Guide 12 Computer or Terminal Connections Your computer or terminal is connected to the MT202TD via themodem’s EIA RS-232C / ITU-T V.24 interface connector. Thisconnector is a standard interface, with a 25-socket femaleconnection. Therefore, your computer or terminal requires astandard ...
Page 14 - Modem and Phone Line Connection
MT202TD User Guide 14 Modem and Phone Line Connection This section describes how to install and connect theMT202TD. Installation Steps: 1. Verify that the remote modem is set for Bell 202- or 202T-compatibility. 2. Connect the modem to the leased line jack using one of thetwo RJ11 cables provided wi...
Page 15 - DIP Switch Settings
Chapter 2 - Installation & Connection 15 DIP Switch Settings DIP switches are located on the MT202TD circuit board asshown in Figure 2-3. For information about DIP switch settingsand functions, refer to the chart on page 19. To access the switches, remove the modem’s cover. To remove the cover: ...
Page 16 - DIP Switch and Switch Settings & Functions; Switch; ALB
MT202TD User Guide 16 DIP Switch and Switch Settings & Functions (See Figure 2–3.) Switch Function Position 1 Local Copy Enable UP* Local Copy Suppress DOWN 2 Two-Wire Lease Line DOWN Four-Wire Lease Line UP* 3 Two-Wire Lease Line DOWN Four-Wire Lease Line UP* 4 Two-Wire Lease Line UP Four-Wire ...
Page 17 - Leased Line Connections
Chapter 2 - Installation & Connection 17 Leased Line Connections The MT202TD modem operates on leased lines and maybe configured in two ways: two-wire or four-wire. In aleased-line application, the line is continuously connectedto the modem. In two-wire leased-line applications, onlyone modem ma...
Page 18 - Chapter 3 - Modem Testing; Local Analog Loopback section on the following; Local Analog Loopback Test
MT202TD User Guide 18 Chapter 3 - Modem Testing Introduction The MT202TD has two diagnostic tests: Local analog loopbackand digital loopback. A loopback test involves entering data from your PC andlooping that data through the circuits of your modem and/or aremote modem. When the loop has been compl...
Page 19 - Digital Loopback Test
19 Chapter 3 - Modem Testing 2 for DIP switch setting information). C o m p u t e r o r Te r m i n a l L o c a l M u l t i M o d e m D i g i t a l A n a l o g C O N N E C T U U U U U U U U U U U U Figure 3-3. Local Analog Loopback Test Digital Loopback Test The digital loopback test is an on-line te...
Page 20 - and Technical Support; Limited Warranty
MT202TD User Guide 20 Chapter 4 - Warranty, Service, and Technical Support Limited Warranty Multi-Tech Systems, Inc., (hereafter MTS) warrants that thisproduct will be free from defects in material or workmanship fora period of two years from date of purchase, or if proof ofpurchase is not provided,...
Page 21 - Service; for details on rates and coverages.
21 Chapter 4 - Warranty, Service & Technical Support Service In the event that service is required, products may be shipped,freight prepaid, to our Mounds View, Minnesota, factory.Please send modems that require repairs to the followingaddress: Multi-Tech Systems, Inc.2205 Woodale DriveMounds Vi...
Page 22 - Multi-Tech is a commercial provider on the Internet.; Recording Modem Information
MT202TD User Guide 22 Technical Support Multi-Tech Systems has an excellent staff of technical supportpersonnel available to help you get the most out of your Multi-Tech product. If you have any questions about the operation ofthis modem, please contact us at: Email: Phone: [email protected] (80...
Page 23 - Appendix; Appendix - Regulatory Compliance; FCC Part 15 – Class A Statement; This device complies with part 15 of the FCC Rules.; Industry Canada
Appendix 23 Appendix - Regulatory Compliance FCC Part 15 – Class A Statement This equipment has been tested and found to comply with thelimits for a Class A digital device, pursuant to Part 15 of theFCC Rules. These limits are designed to provide reasonableprotection against harmful interference whe...
Page 24 - FCC Part 68 Telecom
MT202TD User Guide 24 FCC Part 68 Telecom 1. This equipment complies with part 68 of the FederalCommunications Commission Rules. On the outsidesurface of this equipment is a label that contains, amongother information, the FCC registration number. Thisinformation must be provided to the telephone co...
Page 25 - Service Center in USA:
Appendix 25 6. The telephone company may make changes in itsfacilities, equipment, operations, or procedures that couldaffect the operation of the equipment. If this happens, thetelephone company will provide advance notice in orderfor you to make necessary modifications in order tomaintain uninterr...
Page 26 - Index; Analog Loopback 18
26 MT202TD User Guide Index A Analog Loopback 18 B Back Panel Connectors 14, 15 C Carrier Detect (CD) 10Carrier Frequencies 6, 7CCITT V.24 Interface Connector 12 Clear to Send (CTS) 10Compatibility 6Computer Connections 12Controls 7 D Data Rates 6Data Set Ready (DSR) 10Dimensions MT202T-D 7DIP Switc...
