Multi-Tech Systems MT202TD 1200 - Manuals

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...

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...

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...

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...

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...

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,...

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 ...

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...

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: ...

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 ...

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...

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...

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...

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,...

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...

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...

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...

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...

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...

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...