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Delta DSP9612 manual

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Table of contents for the manual

  • Page 1

    DSP 9612 Flash Poll Modem User’s Guide 0049 − 0117 − 100 Rev. A[...]

  • Page 2

    Page iii Contents CHAPTER 1 INTRODUCTION ........................................................ 5 F EATURES .............................................................................................. 6 A PPLICATIONS ........................................................................................ 7 CHAPTER 2 INSTALLATION ...............[...]

  • Page 3

    Contents Page iv N OTES[...]

  • Page 4

    Page 5 Chapter 1 Introduction ongratulations for purchasing the fi nest industrial-grade fast- poll modem available. The Telenetics DSP9612 (Flash Pol l) modem is a 9600/4800/0- 1800 bps modem designed for 4-wire, full-duplex or 2-wi re, half- duplex operation over a voice-band leased li ne or private line. The modem is designed utilizing the lates[...]

  • Page 5

    Introduction Page 6 Features The DSP9612 modem is specifically designed for harsh environment s found in utility substations and industrial facilities. Though functionally sim ilar t o comme rcial modem s, the DSP9612 provides the following uniqu e features that make it well suited for utility and industrial appli cations.  Packaged in a rugged,[...]

  • Page 6

    Applications Page 7 Applications The DSP9612 modem is designed fo r point-to-point and multipoint data comm unications. Figure 1-1 shows a t ypical m ultipoint configuration. Figure 1-1. Network of Multipoint Configuration There are a number of factors that can affect the network’s and modem ’s operation and performance. These include:  Oper[...]

  • Page 7

    Introduction Page 8 N OTES[...]

  • Page 8

    Page 9 Chapter 2 Installation his chapter describes how to install the modem . Unpacking Y our Hardware Your package should include:  At least one of the followi ng DSP9612 modem s: − Model DSP9612FP for 85 to 265 VAC − Model DSP9612-LV for 10 to 53 VDC  A leased-line cable  A shielded DC power cable (m odel DSP9612-LV m odem only) [...]

  • Page 9

    Installation Page 10  A power supply that provides eit her: − 85 to 265 Volts AC, 50 to 60 Hz, si ngle phase or 85 to 400 VDC (if you have the m odel DSP9612FP modem ), or − 10 to 53 Volts DC (if y ou have the model DSP9612-LV modem ) Hardware Overview Back View Figures 2-1 and 2-2 show the back view of the two DSP9612 m odem models. Start i[...]

  • Page 10

    Hardware Overview Page 11 Figure 2-2. Back View of Model DSP9612-LV Modem Front View The Model DSP9612FP and Model 9612-LV m odems have identi cal front panels. Figure 2-3 shows the front view of t he modem . Starting from the left side, this view shows:  A set of nine LEDs. See page 29.  A loopback test switch. See page 30. Figure 2-3. Front[...]

  • Page 11

    Installation Page 12 Installation Summary The modem installation i nvolves the following steps: 1. Finding a suitable l ocation for the modem . See the section below. 2. Configuring the m odem. See page 13. 3. Connecting to a transm ission line. See page 25. 4. Connecting to a voltage source. See page 27. 5. Connecting a DTE device. See page 28. Fi[...]

  • Page 12

    Configuring the Modem Page 13 Configuring the Modem You configure the modem using the three sets of DIP swit ches on the bottom of the m odem. , IMPORTANT It is important to follow the three steps d escribed below, in the order shown, to ensure that you confi gure your modem properly using the m odem DIP swi tches: 1. Use DIP switch 3 (SW3) to conf[...]

  • Page 13

    Installation Page 14 SW1 DIP Switch Settings SW1 is an 8-position DIP switch. Tabl e 2-1 shows the modem switch settings for DIP switch SW1. A descripti on of the SW1 switch settings follows the table. Note: SW1 settings apply for both high-speed fast -poll and low- speed (FSK) modes Table 2-1. Modem Switch Settings for DIP Sw itch SW1 Switch Setti[...]

  • Page 14

    Configuring the Modem Page 15 SW1-1 through SW1-4 − Transmit Level Switches SW1-1 through SW1-4 adjust the modem ’s transmit level. Table 2-2 shows the transmit levels you can select usi ng these switches. Table 2-2. Transmit Levels SW1 through SW4 Switch Settings Transmit Level SW1-1 SW1-2 SW1-3 SW1-4 0 dBm OFF OFF OFF OFF − 1 dBm OFF OFF OF[...]

  • Page 15

    Installation Page 16 SW1-5 − Receiver Dynamic Range SW1-5 ON = − 10 to − 43 dBm OFF = +3 to − 30 dBm For a low receive signal level, set SW1-5 to ON ( − 43 dBm ). For short distances or to select a strong receive signal, set SW1-5 to OFF. SW1-6 and SW1-7 − Cable Equalizer (F ast-Poll Mode Only) SW1-6 ON = Enable TX Cable Equalizer OFF =[...]

  • Page 16

    Configuring the Modem Page 17 SW2 DIP Switch Settings SW2 is an 8-position DIP switch. Tabl e 2-3 shows the modem switch settings for DIP switch SW2. A descripti on of the SW2 switch settings follows the table. Table 2-3. Modem Switch Settings for DIP Sw itch SW2 Switch Settings Switches ON OFF (Default) SW2-1: FSK Mode (page 18) V.23 Bell 202 SW2-[...]

  • Page 17

    Installation Page 18 SW2-1  FSK Mode SW2-1 ON = ITU-T V.23 mode OFF = Bell 202 m ode The modem has two FSK modes:  Bell 202, which support s data rates from 0 to 1800 bps  ITU-T V.23, which supports data rat es from 0 to 1200 bps SW2-1 conf igures the modem for either of these FSK modes. Setting SW2-1 to ON selects ITU-T V.23 mode. In this[...]

  • Page 18

    Configuring the Modem Page 19 wire, half-duplex m ode (SW3-7 ON), the modem squelc hes the receiver after RTS is turned off to prevent far-end echoes from causing data errors. The duration that th e modem squelches the receiver is either:  8 milliseconds if the modem is configured for Bell 202 mode (SW2-1 OFF)  150 milliseconds if the m odem [...]

  • Page 19

    Installation Page 20 When the modem i s configured for V.23 operation (SW2-1 ON), the RTS-CTS delay i s fixed at 33 ms. SW2-6  FSK CD Delay (Bell 202 Mode Only) SW2-6 ON = 23ms OFF = 6ms SW2-6 selects the FSK CD delay and is vali d when Bell 202 m ode is active (SW2-1 OFF). Setting SW2-6 ON configures the modem to turn on CD 23 milliseconds afte[...]

  • Page 20

    Configuring the Modem Page 21 SW3 DIP Switch Settings SW3 is a 10-position DIP switch. Tabl e 2-5 shows the modem switch settings for DIP switch SW3. A descripti on of the SW3 switch settings follows the table. Table 2-5. Modem Switch Settings for DIP Switch SW3 Switch Settings Switches ON OFF (Default) SW3-1: Fast Poll/FSK (page 22) FSK Fast Poll [...]

  • Page 21

    Installation Page 22 SW3-1 − Fast Poll Auto Rate/FSK SW3-1 ON = Low-Speed Mode (FSK) OFF = High-Speed Mode (Fast Poll) The modem has two operating modes:  FSK mode, which supports data rates from 0 to 1800 bps.  Fast-poll m ode, which supports data rat es of 4800 and 9600 bps. SW3-1, along with the Data Rate Sel ector (DRS) pin on the m ode[...]

  • Page 22

    Configuring the Modem Page 23 SW3-2 − Data Rate (Fas t-Poll Mode Only) SW3-2 ON = 4800 bps OFF = 9600 bps SW3-2 configures the modem speed. When the modem is in high- speed fast-poll mode (SW3-1 OFF), setti ng SW3-2 ON selects 4800 bps, while setting SW3-2 OFF selects 9600 bps. SW3-3 − Async Character (Fast-Poll Mode Only) SW3-3 ON = 11 bits OF[...]

  • Page 23

    Installation Page 24 SW3-5 − Transmitter Termination SW3-5 ON = Switched by RTS OFF = 600 Ω SW3-5 is used for multi-point configuration n etworks. When multiple modems are connected on the same metallic circuit:  The transmitter termination should be of high im pedance if the modem is not transmitting.  The transmitter is only terminat ed[...]

  • Page 24

    Configuring the Modem Page 25 SW3-8 − Carrier Control SW3-8 ON = Constant OFF = Switched SW3-8 selects either constant or switc hed carrier. Constant carrier allows DTEs, such as asynchronous dumb t erminals or RT Us, to operate with m odems, without the input RTS signal . When constant carrier mode is enabled (SW3-8 set to ON), the modem forces [...]

  • Page 25

    Installation Page 26 Connecting to a T r ansmission Line The modem has a transm ission line inte rface that can be configured for 2- or 4-wire, analog connection, where one pair is used t o transmit dat a (Tx and Tx) and one pair is used to receive data (Rx and Rx). Table 2-7 shows the pin numbers and corresponding si gnals for the m odem. Figure 2[...]

  • Page 26

    Connecting to a Voltage Source Page 27 Figure 2-4. Transmission L ine Interface Connecting to a V oltage Source The back panel of the modem pr ovides the power interface. For convenience, the modem s can be powered from the fol lowing power sources:  Model DSP9612FP (AC version): 85 t o 265 Volts AC, 50 to 60 Hz, single phase or 85 to 400 VDC ?[...]

  • Page 27

    Installation Page 28 , WARNING Before you connect a voltage source, observe t he following power supply vol tage guidelines. Otherwise, you will void your warranty if the wrong voltage is applied.  Be sure the voltage sou rce is within the permitted ranges shown above. Otherwise, your m odem and any attached devices m ay be damaged.  Customer[...]

  • Page 28

    LEDs Page 29 LEDs The front panel of the modem provides the LEDs shown in Table 2-8. Table 2-8. Modem LEDs LED Color Description PWR Green Power Input RTS Yellow Request To Send CTS Yellow Clear To Send TD Yellow Transmit Data RD Yellow Receive Data CD Yellow Carrier Detect MR Yellow Modem Ready ALB Red* Analog Loopback DLB Red* Digital Loopback * [...]

  • Page 29

    Installation Page 30 Loopback Control Switch The front panel of th e modem has a push button for initiating the following loopback diagnosti c tests:  Local analog loopback  started by pressing the button one tim e.  Local digital l oopback  started by pressing t he button two tim es.  Remote digital l oopback  set the local modem[...]

  • Page 30

    Page 31 Appendix A Troubleshooting n the event you encounter a problem using your Telenet ics modem , refer to the troubleshooting i nformation i n this appendix. , IMPORTANT If you encounter a problem with your m odem, be sure the switches on the b ottom of the modem are set to the appropriate positions. If a swi tch is halfway between an on and o[...]

  • Page 31

    Troubleshooting Page 32 Table A-1. Troubleshooting Suggestions If… Perform These Procedures… problem. The RTS , CTS , and TxD LEDs do not blink. The attached terminal or DTE may not be sending data to the m odem. Verify that data is being transmitted. If data is being transmitted, make sure the RS- 232 cable is sound and securely connected to t[...]

  • Page 32

    Page 33 Appendix B DIP Switch Summary Switch Settings Switches ON OFF (Default) SW1-1 − 1-4: Transmit Level (page 15) (see Table 2-2 on page 15) SW1-5: Receiver Dynamic Range (page 16) − 10 to − 43 dBm +3 to − 30 dBm SW1-6: TX Cable Equalizer (page 16) Enabled Disabled SW1-7: RX Cable Equalizer (page 16) Enabled Disabled SW1-8: Anti-streami[...]

  • Page 33

    DIP Switch Summary Page 34 Switch Settings Switches ON OFF (Default) SW3-1: Fast Poll/FSK (page 22) FSK Fast Poll Auto-Rate SW3-2: Data Rate (page 23) 4800 bps 9600 bps SW3-3: Async Character (page 23) 11 bits 10 bits SW3-4: Auto RTS (page 23) Enabled Disabled SW3-5: Transmitter Termination (page 24) Switched by RTS 600 Ω SW3-6: Reserved (Test On[...]

  • Page 34

    Page 35 Appendix C Specifications General Specifications Data rate : 9600, 4800, or 0-1800 bps asynchronous Data format : 8 or 9 data bits wit h 1 or more stop bits DTE interface : EIA RS-232 or V.24 compat ible Line conditions : TELCO Voice band 4- or 2-wire leased line, conditioned or unconditi oned Private metallic circuits up to 9.5 miles (24 A[...]

  • Page 35

    Specifications Page 36 Receiver dynamic range: 0 to –30 dBm or –10 t o –43 dBm Operating temperature: -40 ° C to +85 ° C Power supply : Wide range switching power supply: • DSP9612FP (AC version): 85 to 265Volt s AC, 50/60 Hz, single phase or 85 to 400 VDC • DSP9612-LV (DC version):10 to 53 Volt s DC Surge protection: Leased line, up to[...]

  • Page 36

    Interface Connector Pin Assignments Page 37 Interface Connector Pin Assignments Leased Line Terminal Block Pin Assignments This Pin Number… Corresponds to This Signal… 1R x 2R x 3T x 4T x Back-to-Back Connection to a Second Modem[...]

  • Page 37

    Specifications Page 38 RS-232 (DTE) Interface Signal Name Modem Input/Output DB25 Pin Description Earth GND  1 Earth Ground TXD Input 2 Transmit Data RXD Output 3 Receive Data RTS Input 4 Request To Send CTS Output 5 Clear To Send DSR Output 6 Data Set Ready (Modem Ready) SG  7 Signal Ground DCD Output 8 Data Carrier Detected DRS Input 23 Dat[...]

  • Page 38

    Compliances Page 39 Compliances The modem is designed to meet the following agency requirem ents: EMI/RFI: FCC part 15 for Class A com puting device Industry Canada. (Em issions)[...]

  • Page 39

    Specifications Page 40 N OTES[...]

  • Page 40

    Page 41 Appendix D Compliances This device complies with Part 15A of the FCC Rules. Operation is subject to the following two conditions: (1) th is 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 [...]

  • Page 41

    Compliances Page 42 Department of Canada Statement This Class A digital apparatus meets all requirements of t he Canadian Interference-Causing Equipm ent Regulations. Cet appareil num erique de la classe A respecte toutes les exigences du Reglement sur le materiel brouilleur du Canada.[...]

  • Page 42

    Page 43 Appendix E Limited Product Warranty Telenetics warrants that the Product sold w ill be free from defects in material and workmanship and perform to Telenetics' app licable published specifications for a period of 18 months from the date of delivery to Custom er or 12 m onths from placem ent into service, whichever occurs first. The lia[...]

  • Page 43

    Page 44 Appendix F RMA Procedure Return Merchandise Authorization (RMA) Procedure Before returning any Telenetics pr oduc t, an RMA num ber must be obtained. Before asking for an RMA num ber, ascertain that the product was purchased from Telenetics. If you bought the product from a Distributor or Systems Integrator , the product should be returned [...]

  • Page 44

    RMA Procedure Page 45[...]