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Exacom VCR-2020 Technical Manual

Digital voice call recorder
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EXACOM
tm
MODEL VCR-2020
DIGITAL VOICE CALL RECORDER
TECHNICAL Guide
7000134B
EXACOM, Inc.
99 Airport Road
Concord, New Hampshire
(603) 228-0706

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Summary of Contents for Exacom VCR-2020

  • Page 1 EXACOM MODEL VCR-2020 DIGITAL VOICE CALL RECORDER TECHNICAL Guide 7000134B EXACOM, Inc. 99 Airport Road Concord, New Hampshire (603) 228-0706...
  • Page 2 EXACOM, Inc. will not be liable for any damages, including any lost profits, lost savings or other incidental or consequential damages arising out of the use or inability to use this product, even if EXACOM, Inc. or its authorized dealer has been advised of the possibility of such damages, or for any claim by any other party.
  • Page 3 EXACOM VCR-2020 ISSUE CONTROL (VCR - 2020) ISSUE DATE CHANGE 11-01- Original Draft 5-23-1996 Update Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 4: Table Of Contents

    Console Unit(s)............13 2.34 External Equipment .............14 3.00 - SYSTEM SPECIFICATIONS 3.10 Performance..............15 3.11 Controls..............15 3.12 Indicators ..............15 3.13 Digital Storage..............15 3.14 Environmental ..............15 3.15 Electrical..............16 3.16 Physical ..............16 Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.
  • Page 5 APPENDIX A - Reference Tables SW1 Switch Group............29 SW2 Switch Group............29 EXTERNAL POWER............29 APPENDIX B - Serial Input for the VCR-2020 ANI Time Synch..............30 ANI Formats ..............30 Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 6: Introduction

    1.10 PURPOSE This manual provides the information necessary to install and operate the EXACOM Model VCR-2020 Digital Voice Call Recorder. It is designed to be a comprehensive guide for installation and maintenance personnel covering installation procedures, maintenance steps and other technical matters. In addition, it provides detailed information on the features and operation of the VCR-2020.

  • Page 7: Changes In Service

    1.24 Maintenance Limitations Maintenance on the VCR-2020 is to be performed by, or under the direct supervision of the manufacturer or its authorized agent. The user may not make any changes and/or repairs except as specifically noted in this manual. If unauthorized alterations or repairs are performed, any remaining warranty may be voided.

  • Page 8: General Description

    (Automatic Number Identification) for all incoming calls, provided that the ANI is made available to the VCR-2020 in DTMF format. The VCR-2020 is unique in that it will support up to 20 consoles which are networked together allowing the supervisor to monitor any position on the system without disrupting recording.

  • Page 9: Advanced Features

    The EXACOM Model VCR-2020 Digital Voice Call Recorder uses proprietary state- of-the-art telecommunication digital signaling processing and semiconductor technology to provide a bridging interface to a single telephone line for voice recording and playback. Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.
  • Page 10 VCR-2020 *(1(5$/ '(6&5,37,21 The EXACOM Model VCR-2020 Digital Voice Call Recorder, referred to as the VCR- 2020, consists of a micro processing unit referred to as the Server, which may be configured with 1 - 5 interface cards, each of which interfaces with up to 4 consoles.
  • Page 11 EXACOM VCR-2020 *(1(5$/ '(6&5,37,21 Figure 1b: Up to a total of twenty Operator/Supervisor Consoles Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.
  • Page 12 EXACOM VCR-2020 *(1(5$/ '(6&5,37,21 Figure 2a: Table top desktop model Figure 2b: Single/Dual rack mount (19"x 5¼") model Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 13: System Components

    400 up to 1000 minutes of voice storage. 2.32 Interface Card(s) The VCR-2020 Interface Card(s) is mounted in the Server and provide a digital communication interface between consoles and the server voice storage unit. Each interface card supports up to 4 consoles. Up to 5 interface cards may be mounted in a server.

  • Page 14: External Equipment

    Consoles are powered by the Server via the COMM jack. 2.34 External Equipment The VCR-2020 operates independently as a recording device. As such, no external equipment is required for most applications. However, for applications requiring uninterrupted VCR-2020 operation, it is recommended that an external uninterruptable power supply (UPS) be used with the VCR-2020 Server.

  • Page 15: System Specifications

    Recording Time: 400 to 1000 minutes 3.14 Environmental Ambient Temperature: 0 to 50 degrees Celsius Humidity: 0 to 95% non-condensing Storage Temperature: -18 to 50 degrees Celsius Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 16: Electrical

    3.16 Physical Console (Rack Mount): 5.25"H x 19"W x 9"D Dual Console (Rack Mount) 5.25"H x 19"W x 9"D Console (Desk Top): 4.25"H x 10"W x 8"D Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 17: Installation

    F) Protection from flooding, flammable materials, excessive dust and vibration. 4.20 UNPACKING THE VCR-2020 SYSTEM COMPONENTS Remove the VCR-2020 from the shipping carton and place it on a level working area. Remove the plastic wrapping and inspect the VCR-2020 for physical damage. If there is any sign of damage contact authorized service personnel immediately for assistance.

  • Page 18: Vcr-2020 Installation

    VCR-2020 Console Key(s) (one per Console) 4.32 Installation Procedure 4.32.1 Set up the Server Install the interface card(s) If the interface card(s) are not already installed in the VCR-2020 Server the switch settings on the card will have to be set as follows: Card Switches...

  • Page 19: Powering The Vcr-2020 Console

    E) Radio (through relay closure) F) VOR / VOX Note: The following sections describe each method in detail. Not every method will be appropriate in every case. Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 20: Voltage Level Start

    This will record activity from any phone on that line, and cannot disrupt telephone service to any phone. NOTE: The VCR-2020 Console does not need to be near any of the phones being recorded if the system is configured this way.

  • Page 21: External Source Start

    3) Connect audio signal to inner pair of jack labeled LINE (or to position 1 and 2 on the terminal block). 4) Finally, the VCR-2020 Console will need to be adjusted to detect changes in the voltage level. To adjust: a) Boot the system.

  • Page 22: Loop Current Start

    1) On SW1, set switch 3 to the ON position. Set switches 1 and 2 to the OFF position. 2) Connect a standard phone cable (RJ11) from a phone jack into the VCR-2020 Console at the jack labeled LINE. 3) Connect another RJ11 cable from a phone into the VCR-2020 Console at the jack labeled PHONE.

  • Page 23: Bridging Across Headset

    4 on the terminal block. 5) Adjust for voltage detection (as in Part B. Section 4, steps b - e). Figure 7: Console Rear Panel Connections for Bridging Across Headset Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 24: Radio / Contact Closure. Ptt

    2) Adjust potentiometer labeled VOR to recognize and reject ambient noise. This will establish the ON/OFF levels for VOR/VOX connection. 3) Set Switches 1,2 and 3 on SW1 in the OFF position. Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.
  • Page 25 32 sec. * NOTE: Use this setting for adjusting VOX level. c) Test for proper record operation. Audio RECORD, no audio IDLE (after ATTACK and HOLD times). Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.
  • Page 26 EXACOM VCR-2020 ,167$//$7,21 Figure 9: Console Rear Panel Connections for VOR/VOX Start Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 27: Generating Record Warning Tones : Beep Tone

    ON position. 4.35 AGC (Automatic Gain Control) In addition to the adjustable gain by 6 dB as described in Section 4.34 the VCR-2020 Console is equipped with an Automatic Gain Control. The AGC will take a large range of input signals (0 to -30dB) and amplify them to a standard RMS value.

  • Page 28: Vcr-2020 Grounding

    2. SET THE DATE 3. SET THE YEAR If the VCR-2020 was properly connected to active lines, then it will begin recording as indicated on each Console. Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 29: Appendix A: Reference Tables

    150 ft A.4 EXTERNAL POWER (IF REQUIRED) External power to the VCR-2020 Console requires 12 VDC@ 1AMP through a standard low power connector (subminiature phone jack, tip positive). Copyright 1991, 92, 93, 94, 95, 96 all rights reserved by EXACOM, Inc.

  • Page 30: Appendix B - Serial Input For The Vcr-2020

    LQIRUPDWLRQ LV UH.HLYHG DW  %$8' B.1 Time Synch Two different time sync protocols are accepted by the VCR-2020. The first is a simple ASCII format found at some early PSAP installations. It has the format: ....‘TTRhhmmssF’ where ‘TTR’ identifies the format, ‘hh’ is two hour digits, ‘mm’ is two minute digits, and ‘ss’...

  • Page 31: Ani Formats

    $33(1',; B.2 ANI Formats The VCR-2020 Server also supports two formats of ANI data as detailed below. Note that the console number supplied must match the console actually recording the call, and the ANI string must arrive while the recording is in process in order for the ANI to be accepted and stored with the record.

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