Telex AUDIOCOM BP-2000 Operating Instructions Manual
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Telex AUDIOCOM BP-2000 Operating Instructions Manual

Belt packs audiocom intercom system
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Telex
Operating Instructions
BP-2000/BP-1000
Belt Packs
Audiocom
Intercom
®
System

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Summary of Contents for Telex AUDIOCOM BP-2000

  • Page 1 Telex Operating Instructions BP-2000/BP-1000 Belt Packs Audiocom Intercom ® System...

  • Page 2: Fcc Statement

    (at his own expense) will be required to correct. This product meets the Electromagnetic Compatibility Directive, 89/336/EEC. ®Audiocom is a registered trademark of Telex Communications, Inc., ™Burnsville, Minnesota 55337 ®Clear-Com is a registered trademark of Clear-Com Intercom Systems...
  • Page 3 IMPORTANT - Please read this document carefully before using this product. THIS DOCUMENT STATES THE TERMS AND CONDITIONS UPON WHICH TELEX COMMUNICATIONS, INC. (the ‘COMPANY’) OFFERS TO LICENSE THE INSTALLED SOFTWARE OR PROGRAM (the ‘SOFTWARE’) FOR USE WITH THE PRODUCT IN WHICH IT WAS INSTALLED. YOU ARE AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT.

  • Page 4: Operation

    OPERATION SYSTEM POWER The BP-2000 belt pack receives power externally, in one of two ways: · Via the intercom channel (similar to the BP-1000) · Via the local-power (pin 2) of the intercom channel connector The BP-1000 belt pack receives power externally, via the intercom channel.
  • Page 5 CHAN CALL BP-2000 HEADSET LINES CALL BP-1000 HEADSET LINES Figure 1. BP-2000 & BP-1000 Connections and Controls TALK TALK...

  • Page 6: External Connections & Controls

    EXTERNAL CONNECTIONS & CONTROLS NOTE: The numbers refer to the callouts in Figure 1. 1. Volume Control Use this control to adjust the headset listen level. 2. Chan Button and Indicators The Chan button (only on the BP-2000) allows the user to select which intercom channel is active.
  • Page 7 (This control is accessable by removing one screw of belt clip.) 6. Headset Connector This connector accepts a four-wire Telex® boom- microphone headset. 7. Intercom Channel Connectors On the BP-2000, intercom channels are connected via a pair of 6-pin connectors (one male and one female).

  • Page 8: Operating Modes

    Local Power Input (BP-2000 only) Normally the BP-2000 is powered from the intercom system and will turn on with the intercom system. The BP-2000 belt pack may also be powered from an optional power supply (14-30 VDC) connected between pin 2 (+) and pin 1 (-) of the intercom channel connector.
  • Page 9 2. Press and hold the Talk key, then press and hold the Call key, then release both keys. The Call indicator should now glow red. (The number of beeps heard in the headset indicates the current mode of operation.) 3. Press the Call key to change to the next mode of operation.

  • Page 10: Internal Switches, Jumpers And Adjustments

    INTERNAL SWITCHES, JUMPERS AND ADJUSTMENTS There are several internal switches, jumpers and an adjustment that affect operation. These are described below. To gain access to the switches, jumpers and the adjustment, disconnect all power and line connections. Remove two screws from the top of each side and two screws from bottom of each side.
  • Page 11 NOTE: On the BP-1000, jumper J3 must always have pins 2 and 3 shorted. Side Tone Adjustment (R19) The side tone adjustment is accessible either internally (refer to Figure 2) or by removing the belt clip mounting screw (callout 5 in Figure 1). To adjust the level of your own voice heard in the headphones, tap the Talk button once to turn on the headset microphone.
  • Page 12 TABLE 2. INTERNAL SWITCHES AND JUMPERS JUMPER/ SWITCH JUMPER OR SWITCH FUNCTION NUMBER Electret / Dynamic Microphone Select (Must be set to Dynamic when J15 func- tions are desired) Balanced/ Single-ended Dynamic Mic (SW1 must be set to Dynamic) Single-ended Mic: Pins 1&2 shorted Balanced Mic: Pins 2&3 shorted Power Select Channel One Power: Pins 2&3 shorted...

  • Page 13: Connector Pin Configurations

    CONNECTOR PIN CONFIGURATIONS Headset Connector Type: XLR-4M (callout 6 in Figure 1) Pin 1 Headset microphone low Pin 2 Headset microphone high Pin 3 Headphone high Pin 4 Headphone low Intercom Channel Connectors BP-1000 Type: One XLR-3M and XLR-3F pair (callout 8 in Figure Audiocom®...
  • Page 14 BP-2000 Type: One XLR-6M and XLR-6F pair (callout 7 in Figure Audiocom® Mode (Internal switch SW3 and jumpers J5, J6 and J7 set to BAL position) Pin 1 Common Pin 2 Local power (+24 VDC) Pin 3 Channel A intercom audio low and +24 VDC input Pin 4 Channel A intercom audio high and...

  • Page 15: Specifications

    SPECIFICATIONS GENERAL: Power Requirements: Channel supplied: 24 VDC nominal, 45 to 70 mA Local-power: (BP-2000 only) 24 VDC nominal (14 to 30 VDC), 45 to 70 mA Environmental Requirements: Storage: -20ºC to 80ºC; 0% to 95% humidity, non-condensing Operating: -15ºC to 60ºC; 0% to 95% humidity, non-condensing Dimensions: 5.0"...

  • Page 16: Headphone Amplifier

    Unbalanced Intercom Channel: Output Level: 200 mVrms ±10% Input Impedance: 150W ±5% Bridging Impedance: greater than 10,000W Call Signalling: Send: 12 ±3 VDC Receive: 4 VDC minimum HEADPHONE AMPLIFIER: Voltage Gain: 27 ±3 dB from the line Maximum Output: 60 mW into 150W Frequency Response: 200 Hz to 8 kHz with no more than 4 dB deviation Audible Alert:...
  • Page 17 DYNAMIC MICROPHONE AMPLIFIER: Voltage Gain: Mic to Channel; 45 ±3 dB, before limiting Mic to Headphone; adjustable, 65 dB range into 150W Frequency Response: 200 Hz to 8 kHz +1/-3dB Total Harmonic Distortion: Less than 1% at Channel output at 1 kHz ELECTRET MICROPHONE AMPLIFIER: Voltage Gain: Mic to Channel;...

  • Page 18: Factory Service

    Non-Warranty Repairs - Equipment that is not under warranty must be sent prepaid to Telex. If requested, an estimate of repair costs will be issued prior to service. Once your approval for repair, and repair of equipment is completed, the equipment will be returned on a collect basis.

  • Page 19: Optional Football Modifications

    2. Refer to Figure 3 and locate C38 on the underside of the printed circuit board. 3. Remove capacitor C38 from the printed circuit board. RESTORING MIC-KILL AND CALL SIGNAL To restore the Mic-Kill and Call signal features, replace C38 with Telex® part number 102879-218, 1500 pF, 50V capacitor.

This manual is also suitable for:

Bp-1000

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