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Related Manuals for Multitech MT202TD
Summary of Contents for Multitech MT202TD
- Page 1 Model MT202TD 1200 BPS Leased Line Modem User Guide...
- Page 2 Systems, Inc. Mounds View, Minnesota 55112 (763) 785-3500 or (800) 328-9717 Technical Support (800) 972-2439 Internet Address: http://www.multitech.com User Guide MT202TD P/N 82096501 Revision B Description DIP Switch settings updated. Moved connections into separate section. Multi-Tech Systems, Inc. 2205 Woodale Drive...
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Page 3: Table Of Contents
Modem LED Indicators ... 10 Controls on PC Board ... 11 Computer or Terminal Connections ... 12 MT202TD RS-232 Signal Descriptions ...13 Modem and Phone Line Connection ...14 DIP Switch Settings ... 15 DIP Switch and Switch Settings & Functions ...16 Leased Line Connections ...17... - Page 4 Chapter 4 - Warranty, Service, and Technical Support ...20 Limited Warranty ...20 Online Warranty Registration ...20 Service ... 21 Technical Support ...22 Internet Sites ...22 Recording Modem Information ... 22 Appendix - Regulatory Compliance...23 FCC Part 15 – Class A Statement ...23 FCC Part 68 Telecom ...24 Index ...26...
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Page 5: Chapter 1 - Introduction And Description
Multi-Tech System’s model MT202TD 1200 bps modem. Description The MT202TD is a low speed asynchronous modem which employs Frequency Shift Keyed (FSK) modulation and works in full duplex over four-wire or in half-duplex over two-wire leased line networks. -
Page 6: Technical Specifications
MT202TD User Guide Technical Specifications Your MT202TD modem meets the specifications listed below: Model Number Data Rate Compatibility Mode of Operation Line Requirements Modulation Carrier Frequencies Transmit Level Frequency Stability Receiver Sensitivity Timing MT202TD 0–1200 bps Western Electric 202 and 202T... - Page 7 Interface Connectors Diagnostics Indicators Controls Operating Temperature Power Requirements Dimensions MT202TD Weight Limited Warranty Chapter 1 - Introduction & Description EIA RS-232C / ITU-T V.24 One DB-25 RS-232 C connector (25-pin female connector), external power transformer, RJ11 line jack Analog loopback and digital...
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Page 8: Chapter 2 - Installation And Connection
Power Power is supplied to model MT202TD through an AC power transformer. The transformer supplies low voltage DC to the modem and plugs into any conventional 117 VAC, 60 Hz, power outlet. -
Page 9: Unpacking The Modem
Unpacking the Modem Remove all items from the box. Figure 2-1. Unpacking the MT202TD The packing box contains the following items: One MT202TD modem One MT202TD User Guide One power transformer One RJ11/RJ11 cable One RJ11/RJ48 cable If any of these items are missing, please contact Multi-Tech Systems or your dealer/distributor. -
Page 10: Modem Led Indicators
MT202TD User Guide Modem LED Indicators The MT202TD has seven diagnostic LED indicators. They are: Transmit Data - This LED blinks when data is being transmitted: on for a space; off for a mark. The state of this LED matches the TD circuit on Pin 2 of the RS- 232C/V.24 interface. -
Page 11: Controls On Pc Board
Chapter 2 - Installation & Connection 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 test switch. -
Page 12: Computer Or Terminal Connections
MT202TD User Guide Computer or Terminal Connections Your computer or terminal is connected to the MT202TD via the modem’s EIA RS-232C / ITU-T V.24 interface connector. This connector is a standard interface, with a 25-socket female connection. Therefore, your computer or terminal requires a standard RS-232C / V.24 cable with a male connector on the... -
Page 13: Mt202Td Rs-232 Signal Descriptions
MT202TD RS-232 Signal Descriptions Pin MTS Circuits Name EIA ITU-T RTS CA CTS CB DSR CC 107 DTE= Data Terminal Equipment (terminal or computer) DCE= Data Communications Equipment (the modem) Chapter 2 - Installation & Connection Function Transmitted Data Received Data... -
Page 14: Modem And Phone Line Connection
(down) or -9 dBm (up). Refer to the following page for more information on DIP switch settings. 4. Attach the MT202TD to your PC or terminal with an RS- 232 (or V.24) cable. 5. Connect the power transformer to the modem and an AC outlet. -
Page 15: Dip Switch Settings
DIP Switch Settings DIP switches are located on the MT202TD circuit board as shown in Figure 2-3. For information about DIP switch settings and functions, refer to the chart on page 19. To access the switches, remove the modem’s cover. -
Page 16: Dip Switch And Switch Settings & Functions
MT202TD User Guide DIP Switch and Switch Settings & Functions (See Figure 2–3.) Switch Function Local Copy Enable Local Copy Suppress Two-Wire Lease Line Four-Wire Lease Line Two-Wire Lease Line Four-Wire Lease Line Two-Wire Lease Line Four-Wire Lease Line Transmit 0 dBm... -
Page 17: Leased Line Connections
Leased Line Connections The MT202TD modem operates on leased lines and may be configured in two ways: two-wire or four-wire. In a leased-line application, the line is continuously connected to the modem. In two-wire leased-line applications, only one modem may transmit at a time (this is known as half- duplex). -
Page 18: Chapter 3 - Modem Testing
MT202TD User Guide Chapter 3 - Modem Testing Introduction The MT202TD has two diagnostic tests: Local analog loopback and digital loopback. A loopback test involves entering data from your PC and looping that data through the circuits of your modem and/or a remote modem. -
Page 19: Digital Loopback Test
Chapter 3 - Modem Testing 2 for DIP switch setting information). Figure 3-3. Local Analog Loopback Test Digital Loopback Test The digital loopback test is an on-line test that loops data sent from one modem across the phone line to another modem, and then back to the first modem. -
Page 20: Chapter 4 - Warranty, Service, And Technical Support
MT202TD User Guide Chapter 4 - Warranty, Service, and Technical Support Limited Warranty Multi-Tech Systems, Inc., (hereafter MTS) warrants that this product will be free from defects in material or workmanship for a period of two years from date of purchase, or if proof of purchase is not provided, two years from date of shipment. -
Page 21: Service
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 following address: Multi-Tech Systems, Inc. 2205 Woodale Drive Mounds View, MN 55112 Attn: Repairs, Serial #______... -
Page 22: Technical Support
MT202TD User Guide Technical Support Multi-Tech Systems has an excellent staff of technical support personnel available to help you get the most out of your Multi- Tech product. If you have any questions about the operation of this modem, please contact us at: Email: support@multitech.com... -
Page 23: Appendix - Regulatory Compliance
Appendix - Regulatory Compliance FCC Part 15 – Class A Statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. -
Page 24: Fcc Part 68 Telecom
MT202TD User Guide FCC Part 68 Telecom This equipment complies with part 68 of the Federal Communications Commission Rules. On the outside surface of this equipment is a label that contains, among other information, the FCC registration number. This information must be provided to the telephone company. - Page 25 10. If so required, this equipment is hearing-aid compatible. Manufacturer: Model Number: FCC Registration No: Modular Jack (USOC): Service Center in USA: Multi-Tech Systems, Inc. MT202TD AU7-USA-46016-DM-N RJ11C Multi-Tech Systems, Inc. 2205 Woodale Drive Mounds View, MN 55112 (763) 785-3500...
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Page 26: Index
MT202TD User Guide Index Analog Loopback 18 Back Panel Connectors 14, 15 Carrier Detect (CD) 10 Carrier Frequencies 6, 7 CCITT V.24 Interface Connector Clear to Send (CTS) 10 Compatibility 6 Computer Connections 12 Controls 7 Data Rates 6 Data Set Ready (DSR) 10... - Page 28 82096501...
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