Telenetics MOT202TRM Network Card User Manual
Contents
1. eee ee eee 21 FRONT PANELE LEDS 21 FRONT PANEL TEST SWITCH 22 CHAPTER 4 5 4 0 0 4200 2 0 4 00 0220 25 LOCAL MODEM 2 25 LINE AND MODEM 5 26 CHAPTER 5 SPECIFICA TIONG ssccssssssssssccssssccessscesessscsessse 27 eee eS 27 DIMENSIONS AND 28 TEMPERATURE 26000000 28 POWER REQUIREMENTS esse 28 INTERFACE PIN 55 8 00 29 DTE Connector RS 232 C 070000 2 29 Telco 0 00000000 29 APPENDIX A 5 31 APPENDIX B LIMITED PRODUCT WARRANTY 33 APPENDIX RMA 1 24 24 41 4 42440010 00 35 Page iv 1 Introduction MOT202TRM rack mount modem are Frequency Shift Keyed Telenetics 202 5 standalone modem and 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 Key Features The following list summarizes the modem s key features Bell 202T compatible Op2. Connecting to a Private Line Communication Circuit The modem back panel provides an 8 pin RJ 45 connector labeled TELCO which connects to a private line communication circuit The connectors for this port conform to the pin assignments shown under Telco Connector on page 29 Connecting to an AC Power Source The modem back panel provides an AC line cord If the chassis ground is connected through the third prong of the AC power plug a separate chassis ground wire is required Page 19 Installation 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 the OFF position The PWR LED on the front panel goes OFF Page 20 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 Digital Loopback or the switch is in the Test Pattern transmit mode or Self Test mode and no error is detected CD ON the modem is detecting a valid carrier RD ON data is being received or receive data line is in a space condition RS ON the Req
3. 6 seconds PENSE 888283 14 seconds 98885 28 seconds 290230 ART 56 seconds Jumper 813 lets you select an anti streaming time or use no anti streaming at all Anti streaming is typically used in multi point applications to prevent malfunctioning slave from occupying the line indefinitely When anti streaming is active the modem can only transmit data for up to 56 seconds Thereafter the modem s transmitter is automatically turned off The modem then looks for an ON to OFF transition of Request To Send RTS before proceeding with normal operation Page 18 Connecting 5 514 and S15 Self Test or Test Pattern Settings 1 bps 18 bps default 584 b SERI E AUDI 37 bps SEES s Lu gaa39 150 bps QD BoP OG Jumpers 14 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 supported baud rates are 1 bps 18 bps 37 bps 75 bps or 150 bps Connecting a DTE The modem back panel provides a standard 25 pin port labeled DTE which connects to an RS 232 device The connectors for this port conform to the pin assignments shown under DTE Connector RS 232 C on page 29 The DTE should have a cable no longer than 50 feet with a Cinch or Cannon plug per DB 19604 432 plus a DB 51225 1 hood or equivalent
4. Appendix 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 undesired operation This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15A of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected Consult the dealer or an experienced radio TV technician for help If none of these actions resolves the problem consult your distributor
5. or an experienced radio television technician for additional suggestions Additionally Section 15 838 paragraph d of the FCC Rules and Regulations states Where special accessories such as shielded cables are required in order to meet FCC regulations shielded cables must be used with this equipment Operation with non approved equipment or unshielded cables is likely to result in interference to radio and TV reception The user is cautioned that changes and modifications to this equipment without the approval of the manufacturer could void the user s authority to operate this equipment Page 31 Compliances 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 32 Appendix Limited Product Warranty Telenetics warrants that the Product sold will be free from defects in material and workmanship and perform to Telenetics applicable published specifications for a period of 18 months from the date of delivery to Customer or 12 months from placement into service whichever occurs first The liability of Telenetics hereunder shall be limited to replacing or repairing at its option any defective Products which are returned F O B Telenetics facility Lake Forest California or at Telenetics option refunding th
6. output level is set to 0 dB and routed out on the transmit analog pair TTP Transmit Test Pattern this setting forces the transmitter on and transmits data from the test generator to the COMM LINE The RS 232 C interface lines RTS CTS and Transmit Data to the transmitter are not active See Figure 3 4 The TM LED goes ON when the receive data is good If there are errors or if the received data does not compare with the transmitted data the TM LED goes off The RS 232 C interface lines to the receiver are active during this mode Page 22 Front Panel Test Switch Figure 3 1 Analog Loopback Test Local Modem Remote Modem Analog LoopBack Mode Data Mode RECEIVER TRANSMITTER TRANSMITTER RECEIVER 4 Wire Telephone Line Local Modem Remote Modem Local Digital LoopBack Mode Data Mode RECEIVER TRANSMITTER 4 TRANSMITTER RECEIVER 4 Wire Telephone Line Figure 3 2 Digital Loopback Test Page 23 Troubleshooting Modem Self Test Mode TEST PATTERN TRANSMITTER RECEIVER RX 4 Wire Telephone Line PAD Figure 3 3 Self Test Remote Modem Local Modem Receive Test Mode Send Test Pattern Mode TM SPEED SELECT TEST PATTERN TRANSMITTER RECEIVER 2 Wire Telephone Line Figure 3 4 Transmit Test Pattern Page 24 Chapter 4 Troubleshootin
7. PS 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 leased line and power supply Rack mount modem users amodem rack and an available slot in the rack for installing the modem Hardware Overview Figures 2 1 and 2 2 show the front and back modem panels Telex S m oo CS AD Figure 2 2 Back Panel Page 10 Configuring the Modem On the front panel of the modem there are One Power LED and six status LEDs see page 21 rotary test switch see page 22 On the back panel of the 202 5 modem there A power cord or power input connector A power switch for turning the modem on and off A fuse 3 8 amp 250 Volt slow blow A DB25 female connector for accommodating a DTE device RJ 45 connector for connecting to communications line Configuring the Modem The modem obtains some operating characteristics from jumper settings The default jumper settings are for common 4 wire full duplex applications To reconfigure the modem for 2 wire half duplex and special applications you must change the default jumper settings To change jumper settings push the two tabs on the back of the modem to open the modem cover and gain access to the jumper settin
8. Telenetiz MOT202TSA MOT202TRM Modem User s Guide 0049 0119 000 Rev A Contents CHAPTER 1 INTRODUCTION 5 SUMMARY OF KEY FEATURES 5 MODELS RE E 6 USING THIS MANUALE 6 CONTACT INFORMATION aeisi ae kn sehn 7 CHAPTER 2 INSTALLING THE MODEM 9 SITE PR PARATION 5 a o HEU e v ER D Ree ERE 9 UNPACKING YOUR HARDWARE nine 9 ADDITIONAL ITEMS YOU NEED 10 HARDWARE OVERVIEW ER EP P Henne 10 CONFIGURING THE MODEM 11 Jumper 51 Carrier Detect Control ss 14 Jumper 52 Transmit Level 14 Jumper 53 2 wire 4 wire Mode 2 5 0 15 Jumper 54 Call Turnaround Squelch eese 15 Jumper S5 Transmit Carrier 16 Jumper S6 Local Copy ite see eee 16 Jumper S8 Signal and Earth Ground 16 Jumper S9 RTS CTS Delay 17 Jumper S10 Carrier Detect Delay 17 Jumper S11 Turnaround Squelch 17 Jumper 512 Soft Carrier Turn Off 18 Jumper S13 Anti Streaming 18 Jumpers S14 and S15 Self Test or Test Pattern 19 CONNECTING AD TE en 19 CONNECTING TO A PRIVATE LINE COMMUNICATION CIRCUIT 19 Connecting to an AC Power Source 19 Powering on the Modem 20 Powering off the Modem ss 20 Page iii Contents CHAPTER 3 LEDS AND CONTROLS
9. abled Disabled default Turnaround Squelch 2w Default Disable O Enable Jumper S4 configures the modem s Call Turnaround Squelch setting For 2 wire half duplex communications set this strap to the Enabled position In this position the receiver is inhibited for a period of time after the local transmitter is turned OFF This guards against echoes caused by the transmission just completed The time is determined by the turnaround squelch time option jumper S11 For 4 wire full duplex communications keep the jumper set to the default position of Disabled Page 15 Installation Jumper 55 Transmit Carrier Settings Control default Constant TX Carrier Control ege 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 Local Copy 2w Disable 4w 2 Enable Jumper S6 must be left is the default position of Disabled when operating on a 4 wire network It is also normally left in the default Disabled position when operating on a 2 wire network Strapping this jumper as Disabled inhibits the local receiver from receiving the transmission of the local transmitter Jumper 58 Signal and Earth Ground Settings Connected Separate default Signal amp Earth Ground Connected O Separate Ju
10. attern The following procedure describes how to run the line and modem test using a locally attached DTE to generate a data pattern 1 Place the remote modem in Digital Loopback mode 2 Place the local modem in Data mode and transmit a data pattern Check for data errors on the Receive Data line The following procedure describes how to run the line and modem test using the modem test pattern instead of a data pattern originated by the local DTE 1 Place the remote modem in Remote Test mode 2 Place the local modem in Remote Self Test mode The TM LED should turn ON and remain ON if the data is error free Page 26 Chapter 5 Specifications his chapter lists the specifications for the modem General Operation Data rate Modulation Carrier frequencies Line impedance Transmitter output level RTS CTS delay Carrier Detect delay Digital interface Package Turnaround squelch Anti streaming 2 wire half duplex or 4 wire full duplex private line operation 0 1200 bps asynchronous on worst case line 0 1800 asynchronous on 2 conditioned line Phase coherent Frequency Shift Keyed FSK Mark 1200 Hz 1 Space 2200 Hz 1 600 ohms 10 transformer coupled and transient protected Selectable from 0 to 14 dBm in 2 dB steps 8 33 59 or 219 ms 6 or 23 ms OFF to ON 6 On to OFF EIA RS 232 C and CCITT 24 Standalone UL approved 8 ms or 159 ms Option to turn transmitt
11. e purchase price of such products In no case are Products to be returned without first obtaining permission and a customer return order number from Telenetics In no event shall Telenetics be liable for any consequential or incidental damages Products which have been subject to abuse misuse accident alteration neglect unauthorized repair or installation are not covered by the warranty Telenetics shall make the final determination as to the existence and cause of any alleged defect No liability is assumed for expendable items such as lamps and fuses No warranty is made with respect to custom products or Products produced to Customer s specifications except as specifically stated in writing by Telenetics in the agreement for such custom products This warranty is the only warranty made by Telenetics with respect to the goods delivered hereunder and may be modified or amended only by a written instrument signed by a duly authorized officer or Telenetics and accepted by Customer This warranty and limitation extends to customer and to users of the product and is in lieu of all warranties with respect to the product whether express implied or statutory including without limitation the implied warranties of merchantability and fitness for particular purpose Page 33 Limited Product Warranty NOTES Page 34
12. elections are either 33 dBm or 43 dBm If the incoming signal is above 24 dBm use the default 33 dBm setting If the modem is operated on the network use the 43 dBm setting Jumper S2 Transmit Level Settings 0 dBm default 2 dBm 4 dBm 6 dBm 8 dBm 10 dBm 12 dBm 14dBm 1 9 loold og tugpp1 o o ugpr o o 8 ugpz oo Jumper 82 adjusts the modem s transmit level There are eight transmit level settings you can choose By default the modem uses a transmit level of 0 dBm Page 14 Configuring the Modem Jumper 53 2 wire 4 wire Mode Settings 2 wire 4 wire default 2 or 4 Wire 2w 4w Jumper S3 configures the modem for 2 wire or 4 wire operation When configured for 4 wire full duplex operation jumper 55 can be strapped to maintain constant carrier from the master modem to all slave modems at all times after the initial training This enables the master modem to transmit data to the slave modems with no RTS to CTS delay This is the preferred operating mode when minimum turnaround is desired When configured for 2 wire half duplex operation the modem encounters an RTS to CTS delay when transmitting to slave modems increasing the turnaround time Set jumper S5 to controlled carrier for 2 wire half duplex operation Jumper S4 Call Turnaround Squelch Settings En
13. er OFF after selected time even if RTS is ON Page 27 Specifications 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 degrees Celsius Humidity range 95 relative non condensing Power Requirements 115 VAC or 10 50 60 Hz 230 VAC or 10 50 60 Hz 12 to 60 VDC For applicable models Page 28 Interface Pin Assignments Interface Pin Assignments DTE Connector EIA RS 232 C Pin RS 232C Circuit V 24 Circuit Function 1 101 Protective Ground 2 BA 103 Transmitter Data 3 BB 104 Receive Data 4 CA 105 Request to Send 5 CB 106 Clear to Send 6 107 Data Set Ready 7 AB 102 Signal Ground 8 CF 109 Data Carrier Detect 9 12 Volts Test Only 10 12 Volts Test Only 25 Analog Loopback Note All interfaces on the RS 232 C digital connector conform to the requirements of EIA RS 232 C Telco Connector Pin Description 4 5 2 wire mode transmit receive pair 4 wire mode transmit pair 3 6 Receive pair for 4 wire mode Polarity of transmit pair or receive pair is not significant Remaining pins are not used Page 29 Specifications NOTES Page 30
14. erates over voice grade leased lines or private lines 0 to 1200 bps operation for unconditioned line 0 to 1800 bps operation for conditioned line C2 Point to point or point to multipoint polling network 4 wire full duplex or 2 wire half duplex leased line configuration Analog Loopback Test Digital Loopback Test Self Test and Test Pattern Transmit LED displays for power RS 232 control data status and test mode Page 5 Introduction Models The Telenetics modem is available in two models The MOT202TSA is desktop modem MOT202RTM 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 pertains to one model only that model will be identified by its model number Using This Manual This manual contains all the information you need to install configure use and test your modem Chapter 1 contains general information on what the 202T modem does contents of this manual and contact information for Telenetics Chapter 2 describes how to install and configure the modem Chapter 3 provides general operating procedures Chapter 4 provides troubleshooting procedures Chapter 5 lists the modem s specifications Page 6 Contact Information Contact Information For more information about Telenetics 202 and MOT202TRM modems or other Telenetics solutions p
15. g 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 can be run either by generating a data pattern from the locally attached DTE or by having the modem generate a test pattern The following procedure describes how to run the local modem test using a locally attached DTE to generate a data pattern 1 Using the front panel test switch place the modem in Analog Loopback mode Turn on the Request To Send line Use the locally attached DTE to transmit the data pattern and check for data errors on the Receive Data line The following procedure describes how to run the local modem test using the modem test pattern instead of a data pattern originated by the local DTE 1 Using the front panel test switch place the modem in Self Test mode The TM indicator should turn ON If the indicator turns OFF or flashes errors are occurring Page 25 Specifications 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 originate either from a locally attached DTE or by having the modem generate a test p
16. gs on the printed circuit board see Figure 2 3 Then set the jumpers to the desired settings and replace the cover Figure 2 3 Gaining Access to the Modem Jumpers 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 Page 11 Installation Local Copy 2w 0 eH 599 o o offjo Turnaround Signal amp Squelch 2w 2005 58 Earth Ground Default Disable TOs a OSS Connected OO OT Enable Baa Separate TX Level _ o000000 0000000 1152519 2825526 o UU 383 3333 S14 2 H 515 222 52 CI CE 53 51 SU ET LL 59 55 57 C DIE Turnaround CD Dela Squelch Time 2w 2 23ms 6 159 Soft Carrier For Testing Only Not Install eHe 502 Carrier 230 294 Control ege Constant RTS CTS Delay Anti Streamin 0000 Carrier 00000 Detect Control SEFE Senge 5 222080 50 2008 3 z Ae 5 Q aaa a 7 o Figure 2 4 Modem Jumper Loca
17. lease contact us using any of the following methods Voice Calls We welcome your calls at 949 455 4000 Monday through Friday from 8 00 am to 5 00 pm Pacific Time Fax Number You can also send your requests for information to our 24 hour fax number 949 455 4010 E mail If you prefer you can send information requests to our 24 hour e mail address sales telenetics com Website Our website contains valuable information about our products We encourage you to visit us online at www telenetics com Page 7 Introduction NOTES Page 8 Chapter 2 Installing the Modem his chapter describes how to install the modem Site Preparation The location where you install your modem should be e Within six feet of a 115 or 230 VAC grounded outlet not controlled by a wall switch e more than 50 feet from the data terminal equipment e Away from extremes of temperature humidity and appreciable shock Note Be sure that there is a 4 inch minimum space at the back of the modem for signal line and interface cable clearance Unpacking Your Hardware Your package should include at least one MOT202TSA or MOT202TRM modem one RJ 45 jack to 4 wire leased line cable and this Installation Guide If your package contents are damaged or missing please contact your place of purchase immediately Page 9 Installation Additional Items You Need To use your modem you need the following additional items
18. mper 58 allows Earth GND to be tied to the modem system GND Page 16 Configuring the Modem Jumper S9 RTS CTS Delay Settings 8 ms default RTS CTS Del 33 ms elay 59 ms 90 0 219 ms Jumper 89 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 CD Dela 23ms 6ms Jumper 810 configures the modem s Carrier Detect turn on Delay timing The delay chosen must be consistent with the Clear To Send delay selection of the transmitting modem and must be less than the CTS delay The available delays are 6 ms default and 23 ms The carrier detect drop out is less than 6 ms Jumper 511 Turnaround Squelch Time Settings 8 ms default 159 ms Turnaround Squelch Time 2w 159 5 8ms Jumper S11 is used with the call turnaround squelch option jumper S4 The available times are 8 ms default and 159 ms Page 17 Installation Jumper S12 Soft Carrier Turn Off Settings None 8 ms default 26 ms Soft Carrier 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 transmission Jumper S13 Anti Streaming Settings None default Anti Streamin 4 d seconds 2 0 0 929 7
19. tions Page 12 Configuring the Modem Table 2 1 Jumper Settings Jumper Function Settings See Page 51 Carrier Detect control 33 dBm 43 dBm 14 52 Transmit level 0dBm 2 dBm 4dBm 6 dBm 8 dBm 10 dBm 12 dBm 14dBm 14 53 2 wire 4 wire mode 2 wire 4 wire 15 54 Call turnaround squelch Enabled Disabled 15 55 Transmit carrier Control Constant 16 56 Local copy Enabled Disabled 16 58 Signal and Earth ground Connected Separate 16 59 RTS CTS delay 8 ms 33 ms 59 ms 219 ms 17 S10 Carrier Detect delay 6 ms 23 ms 17 511 Turnaround squelch time Enabled by jumper S4 8 ms 159 ms 17 512 Soft Carrier turn off None 8 ms 26 ms 18 513 Anti streaming None 4 seconds 7 6 seconds 14 seconds 28 seconds 56 seconds 18 S14 and 815 Self Test or test pattern Tx and Rx pattern speed 1 bps 18 bps 37 bps 75 bps 150 bps 19 Page 13 Installation 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 Carrier Detect Control 43DB Jumper 51 configures the dynamic range of the modem receiver The s
20. uest to Send line from the DTE is ON CS ON the Clear to Send line from the modem is ON TD ON data to be transmitted is being furnished to the modem Page 21 Troubleshooting 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 modem for testing by the local terminal device The transmitter output of the modem is disconnected from the output coupling transformer and connected to the modem receiver input See Figure 3 1 DL Digital Loopback this position configures the modem to loop back received data to the transmitter and transmit the data to the remote end The RS 232 C interface to the terminal is not active during this test See Figure 3 2 ST Self Test this position inhibits the modem from transmitting and receiving data on the COMM LINE The RS 232 C interface to the terminal is not active during this test See Figure 3 3 The test pattern dot pattern passes through the transmitter loops back into the receiver is demodulated and is checked for errors If errors occur the TM LED turns OFF and remains OFF for a period of time that depends on the pattern generator baud rate In Analog Loopback and Self Test modes the received analog data is buffered amplified by 16 dB if
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