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Raymar DSP9612RM User Manual

Flash poll rack-mount modem
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DSP9612RM Flash Poll
Rack-Mount Modem
User's Guide
DSP9612RM USER'S GUIDE
Page i
0049-0519-000
REV.D

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Summary of Contents for Raymar DSP9612RM

  • Page 1 DSP9612RM Flash Poll Rack-Mount Modem User’s Guide DSP9612RM USER’S GUIDE Page i 0049-0519-000 REV.D...
  • Page 2 Raymar Information Technology, Inc. © Copyright 2010 Raymar Information Technology, Inc. 7325 Roseville Road Sacramento, California 95842 Tel: 800-695-1951 Direct: (916) 783-1951 Fax: (916) 783-1952 DSP9612RM USER’S GUIDE Page ii 0049-0519-000 REV.D...
  • Page 3 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. DSP9612RM USER’S GUIDE Page iii 0049-0519-000 REV.D...

  • Page 4: Table Of Contents

    OLVING APPENDIX B SPECIFICATIONS ........24 ..........24 ENERAL PECIFICATIONS ...........25 ECHANICAL PECIFICATIONS ..26 ONNECTIONS TO A ECOND ODEM RS-232 (RTU) Interface..........26 ........27 NVIRONMENTAL PECIFICATIONS APPENDIX C LIMITED PRODUCT WARRANTY...28 APPENDIX D RMA PROCEDURE ......29 DSP9612RM USER’S GUIDE Page iv 0049-0519-000 REV.D...

  • Page 5: Chapter 1 Introduction

    The Raymar-Telenetics DSP9612RM (Flash Poll) modem is a 9600/4800/0-1800 bps rack-mount 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 6: Features

    Easily accessible DIP switches for user configuration and option selection. Local analog, local digital, and remote digital loopback diagnostics. Applications The DSP9612RM 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 DSP9612RM USER’S GUIDE...

  • Page 7: Ancillary Documentation

    Number of nodes on the network Ancillary Documentation For information about how to adapt an AC powered DSP9612RM modem to a DC power operation, refer to the included documents (0062-0117-001). Also refer to the RM16M Installation and Operation Guide (TEL-6200508506004).

  • Page 8: Chapter 2 Installation

    A two- or four-wire transmission line or leased line Hardware Overview Front View Figure 2-1 shows a front view of the DSP9612RM modem. Starting from the top, this view shows: A loopback test switch. See page 21. A set of eight LEDs. See page 21.

  • Page 9: Component View

    Jumpers located in various positions on the modem. Do not change or remove the straps from these jumpers. Edge connectors at the back of the modem, which plug into the backplane of an RMX Shelf or an RM16M Rack from Raymar-Telenetics. DSP9612RM USER’S GUIDE Page 5 0049-0519-000 REV.D...
  • Page 10 Edge Connectors Configuration Switch Blocks Switch Block Switch Block SW3 Switch Block SW1 Figure 2-2. Component View of Modem DSP9612RM USER’S GUIDE Page 6 0049-0519-000 REV.D...

  • Page 11: Installation Summary

    Use DIP switch 1 (SW1) to select the modem’s transmitter output level and receiver dynamic range. The SW1 settings apply for both high- speed fast-poll and low-speed (FSK) modes DSP9612RM USER’S GUIDE Page 7 0049-0519-000 REV.D...

  • Page 12: Sw1 Dip Switch Settings

    −10 to −43 dBm +3 to −30 dBm SW1-5: Receiver Dynamic Range (page 10) SW1-6: TX Cable Equalizer Enabled Disabled (page 10) SW1-7: RX Cable Equalizer Enabled Disabled (page 10) SW1-8: Anti-streaming (page Active Inactive DSP9612RM USER’S GUIDE Page 8 0049-0519-000 REV.D...
  • Page 13 Transmit Level 0 dBm −1 dBm −2 dBm −3 dBm −4 dBm −5 dBm −6 dBm −7 dBm −8 dBm −9 dBm −10 dBm −11 dBm −12 dBm −13 dBm −14 dBm +3 dBm DSP9612RM USER’S GUIDE Page 9 0049-0519-000 REV.D...
  • Page 14 The modem then looks for an ON- to-OFF Request To Send (RTS) transition before proceeding with normal operation. Anti-streaming can be selected in either high-speed or low-speed mode. DSP9612RM USER’S GUIDE Page 10 0049-0519-000 REV.D...

  • Page 15: Sw2 Dip Switch Settings

    SW2-4 and SW2-5: FSK (see Table 2-4) RTS-CTS Delay (page 13) SW2-6: FSK CD Delay 23ms (page 13) SW2-7: Remote Loopback Enabled Disabled (page 14) SW2-8: Reserved (Test Only) Test Normal (page Error! Bookmark not defined.) DSP9612RM USER’S GUIDE Page 11 0049-0519-000 REV.D...
  • Page 16 The duration that the modem squelches the receiver is either: 8 milliseconds if the modem is configured for Bell 202 mode (SW2-1 OFF) 150 milliseconds if the modem is configured for ITU-T V.23 mode (SW2- 1 ON) DSP9612RM USER’S GUIDE Page 12 0049-0519-000 REV.D...
  • Page 17 CD 6 milliseconds after it detects a valid carrier signal. This switch setting is deactivated when the modem is configured for V.23 mode (SW2-1 ON) and a delay of 18 milliseconds is used instead. DSP9612RM USER’S GUIDE Page 13 0049-0519-000 REV.D...

  • Page 18: Sw3 Dip Switch Settings

    SW3-7: 2- or 4-wire (page 17) 2-wire, half-duplex 4-wire, full- duplex SW3-8: Carrier Control (page 17) Constant Switched 600 Ω SW3-9: Rx Termination (page17) High Rx Impedance SW3-10: Signal Ground and Earth Connected Separated Ground Option (page 17) DSP9612RM USER’S GUIDE Page 14 0049-0519-000 REV.D...
  • Page 19 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), setting SW3-2 ON selects 4800 bps, while setting SW3-2 OFF selects 9600 bps. DSP9612RM USER’S GUIDE Page 15 0049-0519-000 REV.D...
  • Page 20 (such as a transformer bridge), set SW3-5 to OFF for proper operation. − SW3-6 Reserved (Test Only) SW3-6 Must be OFF SW3-6 must be in the OFF position for normal operation. DSP9612RM USER’S GUIDE Page 16 0049-0519-000 REV.D...
  • Page 21 ON, the receiver is terminated with 600 Ω. If you set this switch OFF, the receiver is not terminated. − SW3-10 Grounding Option SW3-10 ON = Signal Ground and Earth Ground are Connected OFF = Signal Ground and Earth Ground are Separated DSP9612RM USER’S GUIDE Page 17 0049-0519-000 REV.D...

  • Page 22: Installing The Modem

    Data Terminal Equipment and communications line. Figure 2-4 shows how the modems look when installed in the rack. Replace the front panel of the modem cage or modem rack. Figure 2-3. Installing the Modem DSP9612RM USER’S GUIDE Page 18 0049-0519-000 REV.D...

  • Page 23: Connecting To A Transmission Line

    The rear panel of the modem rack has an 8-pin RJ-45 jack for each slot. After you install the modem into a slot, connect the slot’s corresponding RJ-45 jack to a leased line. DSP9612RM USER’S GUIDE Page 19 0049-0519-000 REV.D...

  • Page 24: Mass Termination Connector

    It may also have an optional 50-pin mass-termination Telco connector. For more information, refer to the documentation that came with your modem cage or modem rack. DSP9612RM USER’S GUIDE Page 20 0049-0519-000...

  • Page 25: Leds

    Remote Digital Loopback. This test is available in Fast Poll mode only. Switch 2, position 7 must be ON on the remote modem to enable remote digital loopback. Figure 2-6 illustrates these three diagnostics. DSP9612RM USER’S GUIDE Page 21 0049-0519-000 REV.D...
  • Page 26 Figure 2-6. Loopback Diagnostics DSP9612RM USER’S GUIDE Page 22 0049-0519-000 REV.D...

  • Page 27: Appendix A Troubleshooting

    TxD LEDs do not that data is being transmitted. If data is blink. being transmitted, make sure the RS- 232 cable is sound and securely connected to the modem and terminal or DTE. DSP9612RM USER’S GUIDE Page 27 0049-0519-000 REV.D...

  • Page 28: Appendix B Specifications

    0 to –30 dBm or –10 to –43 dBm Operating temperature: -40°C to +85°C Surge protection: Leased line, up to 15KV Carrier Control: Constant or switched, DIP switch selectable Carrier loss recovery: Train on Data DSP9612RM USER’S GUIDE Page 24 0049-0519-000 REV.D...

  • Page 29: Mechanical Specifications

    Support DTE without hardware RTS (high speed only) Anti-Streaming: 27-second timer to prevent transmitter lock-up network Mechanical Specifications Dimensions: 9 inches deep x 6.25 inches high x .87 inches thick Weight: 8 ounces (card only) DSP9612RM USER’S GUIDE Page 25 0049-0519-000 REV.D...

  • Page 30: Back-To-Back Connections To A Second Modem

    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 Ready (Host Ready) DSP9612RM USER’S GUIDE Page 26 0049-0519-000 REV.D...

  • Page 31: Environmental Specifications

    Environmental Specifications Operating temperature: -40 to + 85 Storage temperature: -40 to +125 Operating humidity: 5 to 95 %, non-condensing Isolation: 3750 V RMS Surge protection: Leased line up to 15K VA DSP9612RM USER’S GUIDE Page 27 0049-0519-000 REV.D...

  • Page 32: Appendix C Limited Product Warranty

    • To ensure prompt service, please write on the RMA form a brief description of the problem you are experiencing with the product. Raymar Information Technology, Inc. 7325 Roseville Road Sacramento, CA 95842 Service Hotline (800) 747-1522 http://support.telenetics.com or e-mail to techsupport@raymarinc.com DSP9612RM USER’S GUIDE Page 28 0049-0519-000 REV.D...

  • Page 33: Appendix Drma Procedure

    Currently, Raymar-Telenetics accepts purchase orders or credit cards as payment methods. Repairs currently require 5 – 10 business days and are returned via UPS Ground. DSP9612RM USER’S GUIDE Page 29 0049-0519-000 REV.D...

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