Telenetics Flash Poll DSP 9612 User Manual
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Telenetics Flash Poll DSP 9612 User Manual

Flash poll modem
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DSP 9612 Flash Poll Modem
User's Guide
Telenetics DSP9612FP modem
0049−0117−000 Rev. B

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Summary of Contents for Telenetics Flash Poll DSP 9612

  • Page 1 DSP 9612 Flash Poll Modem User’s Guide Telenetics DSP9612FP modem 0049−0117−000 Rev. B...

  • Page 2: Table Of Contents

    Contents CHAPTER 1 INTRODUCTION ............5 ....................6 EATURES ..................7 PPLICATIONS CHAPTER 2 INSTALLATION ............9 ...............9 NPACKING ARDWARE ...............9 DDITIONAL TEMS .................10 ARDWARE VERVIEW Back View..................10 Front View ..................11 ..............12 NSTALLATION UMMARY ............12 INDING A UITABLE OCATION ..............12 ONFIGURING THE ODEM High-Speed (Fast Poll) Mode ............13 Low-Speed (FSK) Mode..............18 ..........23 ONNECTING TO A...
  • Page 3 Contents OTES Page iv...

  • Page 4: Chapter 1 Introduction

    The Telenetics DSP9612 (Flash Poll) modem is a 9600/4800/0- 1800 bps modem designed for 4-wire, full-duplex or 2-wire, half- duplex operation over a voice-band leased line. The modem is designed utilizing the latest digital-signal processing (DSP) technology to achieve high performance.

  • Page 5: Features

    Introduction Features The DSP9612 modem is specifically designed for harsh environments found in utility substations and industrial facilities. Though functionally similar to commercial modems, the DSP9612 provides the following unique features that make it well suited for utility and industrial applications. c Packaged in a rugged, compact enclosure for industrial applications.

  • Page 6: Applications

    Applications Applications The DSP9612 modem is designed for point-to-point and multipoint data communications. Figure 1-1 shows a typical multipoint 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: c Operating speed c 2-wire or 4-wire configuration c Transmission line characteristics, noise, and line impairments...
  • Page 7 Introduction OTES Page 8...

  • Page 8: Chapter 2 Installation

    Chapter 2 Installation his chapter describes how to install the modem. Unpacking Your Hardware Your package should include: c At least one DSP9612FP modem c A leased-line cable c This User’s Guide If your package contents are damaged or missing, please contact your place of purchase immediately.

  • Page 9: Hardware Overview

    Installation Hardware Overview Back View Figure 2-1 shows the back view of the DSP9612FP modem. Starting from the left side, this view shows: c A 4-wire/2-wire configuration block. See page 23. c A female, 25-pin RS-232 connector, for connecting a standard DTE (RTU).

  • Page 10: Front View

    Hardware Overview Front View Figure 2-2 shows the front view of the modem. Starting from the left side, this view shows: c A set of nine LEDs. See page 26. c A loopback test switch. See page 27. Figure 2-2. Front View of Modem Page 11...

  • Page 11: Installation Summary

    LED on the front panel. Note: Telenetics Corporation offers an optional mounting bracket for wall-mounting the modem on a wall or panel. Telenetics also offers a rack-mount version of this modem. For more information, contact Telenetics Corporation’s Sales Department at (949) 455-4000.

  • Page 12: High-Speed (Fast Poll) Mode

    Configuring the Modem High-Speed (Fast Poll) Mode Table 2-1 shows the modem switch settings that can be used when the modem is configured for high-speed (Fast Poll) mode. This mode is enabled when switch SW2-1 is set to OFF. Following this table is an explanation of these settings.
  • Page 13 Installation SW1-1 through SW1-4 − Transmit Level (high- & low-speed modes) Switches SW1-1 through SW1-4 adjust the modem’s transmit level. Table 2-2 shows the transmit levels you can select using these switches. Table 2-2. Transmit Levels (High-Speed and Low-Speed Modes) SW1 through SW4 Switch Settings SW1-1 SW1-2...
  • Page 14 Configuring the Modem SW1-5 − Receiver Dynamic Range (high- & low-speed modes) 10 to −43 dBm − SW1-5 ON = 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.
  • Page 15 Installation SW2-1 − Fast Poll/FSK (high- & low-speed modes) SW2-1 ON = Low-Speed Mode (FSK) OFF = High-Speed Mode (Fast Poll) SW2-1 configures the modem for either low-speed (FSK) mode or high-speed (Fast Poll) mode. As a result, the SW2-1 setting you choose determines the switch definitions for the other switches.
  • Page 16 Configuring the Modem SW2-8 − Carrier Control (high- & low-speed modes) SW2-8 ON = Constant OFF = Switched SW2-8 selects either constant or switched carrier. Constant carrier allows DTEs, such as asynchronous dumb terminals or RTUs, to operate with modems, without the input RTS signal. When constant carrier mode is enabled (SW2-8 set to ON), the modem forces the transmit carrier active and the RTS-CTS delay is minimum (<0.5 ms.).

  • Page 17: Low-Speed (Fsk) Mode

    Installation Low-Speed (FSK) Mode Table 2-3 shows the modem switch settings that can be used when the modem configured for low-speed (FSK) mode. This mode is enabled when switch SW2-1 is set to ON. Following this table is an explanation of these settings.
  • Page 18 Configuring the Modem SW1-1 through SW1-4 − Transmit Level (high- & low-speed modes) Switches SW1-1 through SW1-4 adjust the modem’s transmit level. Table 2-4 shows the transmit levels you can select using these switches. Table 2-4. Transmit Levels (High-Speed and Low-Speed Modes) SW1-1 through SW1-4 Switch Settings SW1-1 SW1-2...
  • Page 19 Installation SW1-5 − Receiver Dynamic Range (high- & low-speed modes) 10 to −43 dBm − SW1-5 ON = 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 −...
  • Page 20 Configuring the Modem SW2-1 − Fast Poll/FSK (high- & low-speed modes) SW2-1 ON = Low-Speed Mode (FSK) OFF = High-Speed Mode (Fast Poll) SW2-1 configures the modem for either low-speed (FSK) mode or high-speed (Fast Poll) mode. As a result, the SW2-1 setting you choose determines the switch definitions for the other switches.
  • Page 21 Installation SW2-5 − Soft Carrier (low-speed mode only) SW2-5 ON = Disabled OFF = Enabled SW2-5 controls the soft carrier and is valid for low-speed mode only. Setting this switch to OFF configures the modem to transmit a 900 Hz soft carrier to the remote modem after RTS is turned off.

  • Page 22: Connecting To A Transmission Line

    Connecting to a Transmission Line In switched-carrier mode (SW2-8 set to OFF), the RTS/CTS delay is 23 ms. SW 2-9 − RX Termination (high- & low-speed modes) SW2-9 ON = Disable Rx Termination OFF = Enable Rx termination SW2-9 selects whether RX termination is enabled for a modem. If you set this switch OFF, the receiver is terminated with 600 Ω.
  • Page 23 Installation Table 2-6. Transmission Line Connector Pin Assignments This Pin Number… Corresponds to This Signal… Figure 2-3. Transmission Line Interface Page 24...

  • Page 24: Connecting To A Voltage Source

    Connecting to a Voltage Source Connecting to a Voltage Source The back panel of the modem provides the power interface. For convenience, the modems can be powered from the following power sources: c AC Version: 85 to 265 Volts AC, 50 to 60 Hz, single phase c DC Version: 10 to 53 Volts DC Figure 2-1 on page 10 shows the connection to the modem’s power interface.

  • Page 25: Connecting An Rs-232 Device

    Installation Connecting an RS-232 Device The modem back panel provides a female, 25-pin RS-232 connector that accepts an attached RS-232 device (see Figure 2-1 on page 10). This connector accepts a standard connection to a DTE (RTU) that conforms to the pin assignments shown under “RS-232 (RTU) Interface”...

  • Page 26: Loopback Control Switch

    Loopback Control Switch Loopback Control Switch The front panel of the modem has a push button for initiating the following loopback diagnostic tests: c Local analog loopback  started by pressing the button one time. c Local digital loopback  started by pressing the button two times. c Remote digital loopback ...
  • Page 27 Installation OTES Page 28...

  • Page 28: Appendix A Troubleshooting

    Appendix A Troubleshooting n the event you encounter a problem using your Telenetics modem, refer to the troubleshooting information in this appendix. If you encounter a problem with your modem, be sure the switches on the bottom of the modem are set to the IMPORTANT appropriate positions.
  • Page 29 Troubleshooting Table A-1. Troubleshooting Suggestions If… Perform These Procedures… problem. The RTS, CTS, and TxD The attached terminal or DTE may not LEDs do not blink. be sending data to the modem. Verify that data is being transmitted. If data is being transmitted, make sure the RS- 232 cable is sound and securely connected to the modem and terminal...

  • Page 30: Appendix B Specifications

    AWG) without cable equalizer. Up to 15.0 miles (24 AWG) with TX and RX cable equalizer Operating modes: 2-wire half-duplex or 4-wire full-duplex Modulation: High-speed fast poll – Telenetics proprietary FSK, Bell 202T compatible • Mark = 1200 Hz •...

  • Page 31: Mechanical Specifications

    Specifications Receiver dynamic range: 0 to –30 dBm or –10 to –43 dBm Operating temperature: -40°C to +85°C Power supply: Wide range switching power supply: • 85 to 265Volts AC, 50/60 Hz, single phase • 10 to 53 Volts DC Surge protection: Leased line, up to 15KV Carrier Control:...

  • Page 32: Interface Connector Pin Assignments

    Interface Connector Pin Assignments Interface Connector Pin Assignments Leased Line Terminal Block Pin Assignments This Pin Corresponds to Number… This Signal… Back-to-Back Connection to a Second Modem Modem 1 Modem 2 Page 33...

  • Page 33: Rs-232 (Rtu) Interface

    Specifications RS-232 (RTU) Interface Signal Name Modem DB25 Pin Description Input/Output  Earth GND Earth Ground Input Transmit Data Output Receive Data Input Request To Send Output Clear To Send Output Data Set Ready (Modem Ready) Signal Ground Output Data Carrier Detected Input Data Terminal...

  • Page 34: Compliances

    Compliances Compliances The modem is designed to meet the following agency requirements: EMI/RFI: FCC part 15 for Class A computing device Industry Canada. (Emissions) Page 35...
  • Page 35 Specifications OTES Page 36...

  • Page 36: Appendix C Compliances

    Appendix C Compliances 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.
  • Page 37 Compliances OTES Page 38...

  • Page 38: Appendix D Limited Product Warranty

    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.
  • Page 39 Limited Product Warranty OTES Page 40...

  • Page 40: Appendix Erma Procedure

    Lake Forest, CA 92630 The RMA number must be legibly displayed on the shipping carton. No RMA’s will be issued without a product review, Telenetics will not be responsible for any product returned without an RMA number. In the near future the RMA form will be available on our Web site Telenetics.com/support/rma.
  • Page 41 RMA Procedure Page 42...

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