Raymar MOT202TRM User Manual

Summary of MOT202TRM

  • Page 1

    Mot202tsa/mot202trm modem user’s guide 0049-0119-000, rev. D.

  • Page 3

    The products and programs described in this user’s guide are licensed products of raymar-telenetics. This user’s guide contains proprietary information protected by copyright, and this user’s guide and all accompanying hardware and documentation are copyrighted. Raymar information technology, inc. D...

  • Page 5: Contents

    Page iii contents chapter 1 introduction........................................................ 5 s ummary of k ey f eatures ................................................................ 5 m odels ................................................................................................. 6...

  • Page 6

    Contents page iv chapter 3 leds and controls .......................................... 21 f ront p anel led s ............................................................................. 21 f ront p anel t est s witch ................................................................. 22 chapter 4 t...

  • Page 7: Chapter 1

    Page 5 chapter 1 introduction he telenetics mot202tsa standalone modem and mot202trm rack-mount modem are frequency shift keyed (fsk) modems designed for asynchronous half-duplex communication on 2-wire private line circuits or full-duplex communication on 4-wire private-line circuits. Summary of ke...

  • Page 8

    Introduction page 6 models the telenetics modem is available in two models: ™ the mot202tsa is a desktop modem. ™ the mot202trm is a rack-mount modem that installs into a standard 19-inch rack. In this manual, the term “modem” will be used to refer to both models collectively. If information pertain...

  • Page 9

    Introduction page 7 contact information for more information about telenetics’ mot202tsa and mot202trm modems, or other telenetics solutions, please contact us using any of the following methods. Voice calls we welcome your calls at 800-695-1951 monday through friday, from 7:00 am to 5:00 pm pacific...

  • Page 10

    Introduction page 8 n otes.

  • Page 11: Chapter 2

    Page 9 chapter 2 installing the modem his chapter describes how to install the modem. Site preparation the location where you install your modem should be: • within six feet of a 115 or 230 vac grounded outlet not controlled by a wall switch • no more than 50 feet from the data terminal equipment • ...

  • Page 12

    Installing the modem page 10 additional items you need to use your modem, you need the following additional items: ™ all users: an rs-232 cable to connect a data terminal. The cable must conform to the pin assignments shown on page 29. ™ standalone modem users: a two- or four-wire transmission line ...

  • Page 13

    Installing the modem page 11 figure 2-2. Back panel on the front panel of the modem, there are: ™ one power led and six status leds (see page 21) ™ a rotary test switch (see page 22) on the back panel of the mot202tsa modem, there are: ™ a power cord or power input connector ™ a power switch for tur...

  • Page 14

    Installing the modem page 12 figure 2-4 on the next page shows the location of the modem jumpers. Table 2-1 on page 13 summarizes the jumper settings (default settings are bold). Figure 2-4. Modem jumper locations.

  • Page 15

    Installing the modem page 13 table 2-1. Jumper settings jumper function settings see page… s1 carrier detect control -33 dbm -43 dbm 14 s2 transmit level 0dbm -2 dbm -4 dbm -6 dbm -8 dbm -10 dbm -12 dbm -14 dbm 14 s3 2-wire/4-wire mode 2-wire 4-wire 15 s4 call turnaround squelch enabled disabled 15 ...

  • Page 16

    Installing the modem page 14 note: the jumper positions in the following sections reflect the position of the jumpers on the modem board when you face the board as indicated in figure 2-4 on page 12. Jumper s1 − carrier detect control settings: -33 dbm (default) -43 dbm jumper s1 configures the dyna...

  • Page 17

    Installing the modem page 15 jumper s3 − 2-wire/4-wire mode settings: 2-wire 4-wire (default) jumper s3 configures the modem for 2-wire or 4-wire operation. ™ when configured for 4-wire full-duplex operation, jumper s5 can be strapped to maintain constant carrier from the master modem to all slave m...

  • Page 18

    Installing the modem page 16 jumper s5 − transmit carrier settings: control (default) constant jumper s5 places the transmitter under terminal control (default) or turns on the transmitter continuously in a 2-wire half duplex system. Jumper s6 − local copy settings: enabled disabled (default) jumper...

  • Page 19

    Installing the modem page 17 jumper s9 − rts-cts delay settings: 8 ms (default) 33 ms 59 ms 219 ms jumper s9 configures the modem’s rts-cts delay. Four choices for selecting an rts-cts delay are available. Jumper s10 − carrier detect delay settings: 6 ms (default) 23 ms jumper s10 configures the mod...

  • Page 20

    Installing the modem page 18 jumper s12 − soft carrier turn off settings: none 8 ms (default) 26 ms jumper s12 configures the modem to either turn off the transmitter immediately upon release of request to send, or send a soft carrier turn off signal of 900 hz for 8 or 26 ms at the end of each trans...

  • Page 21

    Installing the modem page 19 jumpers s14 and s15 − self test or test pattern settings: 1 bps 18 bps (default) 37 bps 75 bps 150 bps jumpers s14 and s15 configures the modem for self test or test pattern. When the modem is in local self test or test pattern mode, it generates a dot test pattern. The ...

  • Page 22

    Installing the modem page 20 powering-on the modem to supply power to the modem, place the power on switch on the modem back panel to the on position. The pwr led on the front panel goes on. Powering-off the modem to turn off power to the modem, place the power on switch on the modem back panel to t...

  • Page 23: Chapter 3

    Page 21 chapter 3 leds and controls his chapter describes the leds and controls on the modem. Front panel leds table 3-1 describes the leds on the modem front panel. Table 3-1. Front panel leds led status pwr on = power is being supplied to the modem. Tm on = the rotary switch is turned to analog or...

  • Page 24

    Leds and controls page 22 front panel test switch the modem front panel has a five-position rotary switch that lets you select the modem’s operating mode. The five switch positions are: ™ data ⎯ use this position for normal data transmissions. ™ al (analog loopback) ⎯ this position prepares the mode...

  • Page 25

    Leds and controls page 23 figure 3-1. Analog loopback test figure 3-2. Digital loopback test figure 1 - analog loopback test dte dte receiver transmitter pad transmitter receiver local modem analog loopback mode rxd txd 4-wire telephone line remote modem data mode amplifier digital loopback test dte...

  • Page 26

    Leds and controls page 24 figure 3-3. Self test figure 3-4. Transmit test pattern dte test pattern transmitter error check receiver pad modem self test mode 4-wire telephone line self test tm tx rx amplifier dte dte test pattern transmitter error check receiver local modem send test pattern mode 2-w...

  • Page 27: Chapter 4

    Page 25 chapter 4 troubleshooting his chapter describes troubleshooting procedures you can use in the unlikely event you encounter a problem with your modem. Local modem test the local modem test verifies the local modem’s transmitter, receiver, and connection to the locally attached dte. This test ...

  • Page 28

    Troubleshooting page 26 line and modem test the line and modem test verifies the local modem, the remote modem, and the communications line between them. With this test, the local modem loops back received data to the transmitter and transmits the data to the remote modem. These characters can origi...

  • Page 29: Chapter 5

    Page 27 chapter 5 specifications his chapter lists the specifications for the modem. General operation: 2-wire half-duplex or 4-wire full-duplex private line operation. Data rate: 0-1200 bps asynchronous on worst case line. 0-1800 asynchronous on c2 conditioned line modulation: phase coherent. Frequ...

  • Page 30

    Specifications page 28 test features: self test, analog loopback, digital loopback, and test pattern transmit dimensions and weight width: 7.00 inches (17.8 cm) length: 9.60 inches (24.4 cm) height: 2.25 inches (5.7 cm) temperature range operating: -40 to +85 degrees celsius storage: -40 to +85 degr...

  • Page 31

    Specifications page 29 interface pin assignments dte connector - eia rs-232-c pin rs-232c circuit ccitt v.24 circuit function 1 aa 101 protective ground 2 ba 103 transmitter data 3 bb 104 receive data 4 ca 105 request to send 5 cb 106 clear to send 6 cc 107 data set ready 7 ab 102 signal ground 8 cf...

  • Page 32

    Specifications page 30 n otes.

  • Page 33: Appendix A

    Page 31 appendix a compliances fcc rule this device complies with part 15a of the fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause unde...

  • Page 34

    Compliances page 32 department of canada statement this class a digital apparatus meets all requirements of the canadian interference-causing equipment regulations. Cet appareil numerique de la classe a respecte toutes les exigences du reglement sur le materiel brouilleur du canada..

  • Page 35: Appendix B

    Page 33 appendix b limited product warranty raymar information technology, inc. Limited warranty one year limited hardware warranty raymar information technology, inc., dba raymar-telenetics, warrants their products against defects in hardware, material and workmanship under normal use for one (1) y...

  • Page 36

    Limited product warranty page 34 commercial loss, lost profits or savings, or other incidental, special or consequential damages arising out of the use or inability to use this raymar product, to the full extent such may be disclaimed by law. Without limiting the foregoing, raymar shall have no liab...

  • Page 37: Appendix C

    Page 35 appendix c rma procedure return merchandise authorization (rma) procedure before returning any raymar-telenetics product, an rma number must be obtained. Before asking for an rma number, ascertain that the product was purchased from raymar-telenetics. If you bought the product from a distrib...