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EXACOM

MODEL VCR-2020

DIGITAL VOICE CALL RECORDER

TECHNICAL Guide

7000134B

EXACOM, Inc.

99 Airport Road

Concord, New Hampshire

(603) 228-0706

Содержание VCR-2020

Страница 1: ...EXACOMtm MODEL VCR 2020 DIGITAL VOICE CALL RECORDER TECHNICAL Guide 7000134B EXACOM Inc 99 Airport Road Concord New Hampshire 603 228 0706 ...

Страница 2: ...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 EXACOM Inc will have its liability limited to the repair or replacement of the supplied original program diskette associated publication and any part or parts of the product or system for the period of the warranty WARRANTY EXACOM Inc will warrant this product against...

Страница 4: ... 24 Maintenance Limitations 7 2 00 GENERAL DESCRIPTION 2 10 SYSTEM FEATURES 8 2 11 ADVANCED FEATURES 9 2 20 TECHNOLOGY AND SYSTEM DESCRIPTION 9 2 30 SYSTEM COMPONENTS 13 2 31 VCR 2020 Server 13 2 32 Line Interface Card s 13 2 33 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 ...

Страница 5: ...r Configuration 19 4 32 5 Record Activation Methods 19 Voltage Level Start 20 External Source Start 21 Loop Current Start 22 Bridging Across Headset 23 Radio Contact Closure PTT 24 VOR VOX 24 4 33 Generating Record Warning Tones Beep Tone 27 4 34 Adjusting Gain 27 4 35 AGC Automatic Gain Control 27 4 36 VCR 2020 Grounding 28 5 00 INITIALIZATION 5 10 INSTALLATION CHECKLIST 28 5 20 POWER UP SEQUENCE...

Страница 6: ...e rules is essential to maintaining the integrity of the telephone network 1 21 Telco Notification Before connecting the VCR 2020 to the telephone network the local serving telephone company may be given advance notice of intention to use customer provided equipment CPE and provided with the following information 1 Trunk numbers to be connected to the system 2 The FCC Registration Number located o...

Страница 7: ...compatibility with the network the serving telephone company must give written notice to the user to allow uninterrupted 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 alterat...

Страница 8: ...ut disrupting recording 2 10 SYSTEM FEATURES Record via 1 to 20 consoles per system Up to 1000 minutes of storage dynamically allocated Ability to save multiple messages from being erased ANI Automatic Number Identification DTMF if provided Real time clock with time of day for message orientation Visual display indicators operator screen Time of day clock ANI Display Day date Function Control Indi...

Страница 9: ...ack Supervisor mode capabilities Position select Monitor live or previous recording of other positions 2 20 TECHNOLOGY AND SYSTEM DESCRIPTION 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 ...

Страница 10: ...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 Thus a fully loaded system will support 20 consoles There are two versions of an operator console a Desktop version fig 2a and a Rack Mount version fig 2b Figure 1a The VCR 2020 can be configured with a single Operator Supervisor Console ...

Страница 13: ...ormed at the manufacturer and fully configured and tested before shipped The interface card contains the VCR 2020 program in permanent on board memory The VCR 2020 program is self starting on power up and requires no user intervention 2 33 Console s Rack mount or Desk top The VCR 2020 Consoles are self contained units providing the basic user interface to the system through a six button keypad and...

Страница 14: ...e 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 Consoles may be powered by an optional plug in power pack Sec 4 32 3 for applications requiring long distances from the Server Figure 3 Operator Supervisor Console F...

Страница 15: ...se Stop FREV FFWD Message Select Fast Forward Reverse Normal Slow Message Play Speed Memory Control Save Clear Clock Control Display Set Hrs Min Sec System Control Display call counter Reset call counter Ready Play Monitor Audio Playback volume Supervisor Key Key switch to enable Supervisor mode 3 12 Indicators System Display 4 line 20 char alpha numeric backlit LCD Audio Indicators Speaker headse...

Страница 16: ...96 all rights reserved by EXACOM Inc 16 3 15 Electrical Input power 115Vac 60Hz 217 watts 220Vac 50Hz 217 watts 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 ...

Страница 17: ...ther case the Console should be located as close to the server as possible to provide optimum performance C The VCR 2020 Server power supply operates on 110 or 220 Vac As such an appropriate receptacle compliant with local electrical codes must be provided within 4ft of the VCR 2020 D The VCR 2020 should be located in a well ventilated area having a temperature range of 0 to 50 degrees C and a hum...

Страница 18: ...OFF OFF ON ON OFF ON OFF 3 OFF ON OFF ON ON ON OFF 4 OFF ON ON ON OFF OFF ON 5 ON OFF OFF ON ON OFF ON Select the AC Power voltage at switch near power cord socket on rear of chassis Connect the power cord from the rear of the Server to an AC outlet Connect an RJ22 handset size communications cable to a port on an interface card at the rear of the Server Connect one cable per VCR 2020 Console The ...

Страница 19: ... be used remove the jumper between position 8 9 and connect the speaker to positions 9 and 10 on the terminal block 4 32 3 Record Inputs Two separate inputs are available each providing a high impedance differential input suitable for connection directly to telephone lines These are combined internally to the single recording channel When the second input positions 3 4 on the terminal block or the...

Страница 20: ... system is configured this way 1 On SW1 set switch 2 to the ON position Set switches 1 and 3 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 primary pair 3 Test for proper record operation Off hook RECORD on hook IDLE NOTE The off hook detector for the primary pair is polarity sensitive With the phone line connected pos...

Страница 21: ...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 b Take one of the phones on the line off hook c Adjust the Potentiometer in the rear of the VCR 2020 Console labeled LEV until the VCR 2020 Console LCD reads RECORD d Place the phone back on hook and readjust the LEV Potentiometer until the VCR 2020 Console LCD reads IDL...

Страница 22: ... is most effectively used when the console is co located with the phone to be recorded 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 4 Test for proper record opera...

Страница 23: ...On SW1 set Switch 1 to the ON position Set Switch 2 and 3 to the OFF position 2 The primary pair 1 and 2 of the four conductor phone cable will be connected to receiver pair of headset 3 The secondary pair 3 and 4 of the four conductor phone cable will be connected to transmit 4 Position 5 must be connected to position 3 and position 6 must be connected to position 4 on the terminal block 5 Adjust...

Страница 24: ...lay or PTT voltage sense 4 Adjust for voltage detection as Part B Section 4 steps b e 5 Test for proper record operation Key closure RECORD Key open IDLE Note Remove 1K resistor if input 2 is used Figure 8 Console Rear Panel Connections for Radio Interface F VOR VOX When no external start signal is available 1 Connect the audio source to the primary or secondary pair on the jack labeled LINE or po...

Страница 25: ...and 4 ATTACK ON TIMES Switch 3 Switch 4 0 000 sec OFF OFF 0 124 sec ON OFF 0 250 sec OFF ON 0 475 sec ON ON NOTE Use this setting for adjusting VOX level b HOLD time is adjusted using three switches which present eight different HOLD time settings SW2 Switches 5 6 and 7 HOLD OFF TIMES Switch 5 Switch 6 Switch 7 VOX Deactivated OFF OFF OFF 4 sec ON OFF OFF 6 sec OFF ON OFF 8 sec ON ON OFF 12 sec OF...

Страница 27: ...ting this tone if so leave the VCR 2020 tone disabled When the tone is used the secondary pair must be the transmitting side of a four wire connection or must be jumpered to the primary pair 4 34 Adjusting Gain The VCR 2020 can be configured so that the receive pair primary is more sensitive than the transmit pair secondary 1 To Decrease the gain of the primary pair by 6 dB set SW1 Switch 4 to the...

Страница 28: ...ctions are plugged in securely and in the proper locations Inspect all telephone or radio interface wiring for shorted wiring or improper polarity that would affect the VCR 2020 line interface 5 20 VCR 2020 POWER UP SEQUENCE The power up sequence involves the proper application of AC power plugging in the power cord or transformer module if used and switching the power ON With a successful power u...

Страница 29: ... 6 VOX HOLD Mid Bit Switch 7 VOX HOLD Low Bit Switch 8 ANI Disable ON A 3 MAXIMUM CABLE LENGTH vs WIRE GUAGE The cables connecting the Server to the Console units also supplies the operating power The wire guage used for this connection determines the maximum distance the Console unit can be installed from the server Standard flat telephone cable is either 24 or 26 guage and is generally satisfact...

Страница 30: ...ed 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 is two seconds digits Leading zeros must be supplied The F is the final synchronizing character when it is received the time will be entered into the system clock The second protocol actually i...

Страница 31: ...I string must arrive while the recording is in process in order for the ANI to be accepted and stored with the record ANI String Formats A ANIyynpannxdddde Standard ANI string format where ANI Standard identification string yy Console number npa Area code nnx Local exchange number dddd Line number e end code EOT 04hex D B pnnxddddcctt AT T PSAP ANI format where p single digit npa code 9 or 0 nnx L...

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