Telex BP-1002 User's Manual
Contents
1. C61 Sidetone 0 Uk 2 O c E i E A Figure 3 Printed Circuit Board FACTORY SERVICE All equipment returned for repair must be accompanied by documentation stating your return address telephone number and proof of date of purchase along with a description of the problem In lieu of this you may obtain a Return Authorization form from our Customer Service Department Customer Service Department Telex Communications Inc 12000 Portland Avenue South Burnsville Minnesota 55337 U S A Telephone 800 392 3497 Fax 800 323 0498 Return equipment to Service Department Telex Communications Inc West 1st Street Blue Earth Minnesota 56013 U S A Warranty Rerairs If in warranty no charge will be made for the repairs Equipment being returned for warranty repair must be sent prepaid and will be returned prepaid 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 bas2. 24 2 signal from the channel In some applications the Mic Kill and Call signal features are not desired and need to be disabled ELIMINATING MIC KILL AND CALL SIGNAL CAUTION TO PREVENT DAMAGE TO THE EQUIPMENT THESE MODIFICATIONS SHOULD ONLY MADE BY QUALIFIED TECHNICIANS If desired the Mic Kill and Call signal features can be disabled in the BP 2002 BP 1002 by removing a surface mounted capacitor from the printed circuit board Perform the following 1 Before making changes to the printed circuit board disconnect all power and line connections from the beltpack 2 Refer to Figure and locate C61 on the underside of the printed circuit board 3 Remove capacitor C61 from the printed circuit board RESTORING MIC KILL AND CALL SIGNAL To restore the Mic Kill and Call signal features replace C61 with Telex part number 102879 218 1500 pF 50V capacitor 20
3. The Talk button activates the headset microphone and operates in two ways Latched Mode Tap the button once to talk The indicator will glow green Tap the button again when finished with a conversation Momentary Mode Press and hold the button to talk momentarily Release the button when finished talking NOTE On the BP 2002 if no headset is connected when the Talk button is pressed the Talk button will have the same function as the Chan button 5 SIDETONE CONTROL When using a headset this control adjusts your own voice level heard in the head phones To adjust the level tap the Talk button once to turn on the headset microphone Then use a small flat blade screwdriver to increase or decrease your voice level while talking into themicrophone This control is accessible by removing one screw of belt clip 6 HEADSET This connector accepts a four wire Telex boom microphone headset 7 INTERCOM CHANNEL CONNECTORS On the 2002 intercom channels are connected via a pair of 6 pin connectors one male and one female The male and female connectors are wired together in parallel providing a loop through at each connector pin Use one connector to connect to the intercom channel Use the other connector to daisy chain a cable to the next belt pack or other station on the channel Local Power Input 2002 only Normally the BP 2002 is powered from the intercom system and will turn
4. 3 11 NOTE 1002 jumper JP6 must always have pins 2 and 3 shorted Side Tone Adjustment R145 The side tone adjustment is accessible either internally refer to Figure 2 or by removing the belt 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 Then use a small flat blade screwdriver to increase or decrease your voice level while talking into the microphone Clear Com Setup Make the following switch and jumper changes when the belt pack is used with Clear Com equipment BP 2002 SW1 must be placed in the UNBAL position JP4 must have pins 1 and 2 shorted U position JP5 jumper must be removed and placed on JP2 JP2 must have pins 1 and 2 shorted using jumperfrom JP5 JP1 must have pins 1 and 2 shorted BP 1002 SW1 must be placed in the UNBAL position JP4 must have pins 1 2 shorted U position 3 JP6 JP5 must have pins 2 and 3 shorted at all times on 8 D D Product Default Jumper Settings BP 1002 Shorting across Pins 1 and 2 JP13 Shorting across Pins 2 and 3 JP5 JP6 and JP9 Not Populated P1 JP2 and JP3 Populated on Pin 1 Only P4 BP 2002 Shorting across Pins 1 and 2 P9 and JP13 Shorting across Pins 2 and 3 JP5 and JP6 Not Populated JP3 Populated on Pin 1 Only JP1 JP2 and JP4 Table 2 Default Settings If you are
5. CONDITIONS UPON WHICH TELEX COMMUNICATIONS INC THE COMPANY OFFERS LICENSE THE INSTALLED SOFTWARE OR PROGRAM THE SOFT WARE FOR USE WITH THE PRODUCT IN WHICH IT WAS INSTALLED YOU ARE AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT DO NOT USE THIS PRODUCT PROMPTLY RETURN THE PRODUCT TO THE PLACE WHERE YOU OBTAINED IT FOR A FULL REFUND The installed software as supplied by the Company is licensed not sold to you for use only under the terms of this license and the Company reserves all rights not expressly granted to you You own the product or other media on or in which the Software is originally or subsequently recorded or fixed but the Company retains ownership of all copies of the Software itself 1 License This license allows you to use the Software for internal purposes only on a single product in which it was installed 2 Restrictions a You may not market distribute or transfer copies of the Software to others or electronically transfer or duplicate the software YOU MAY NOT REVERSE ENGINEER DECOMPILE DISASSEMBLE MODIFY ADAPT TRANSLATE RENT LEASE OR LOAN THE SOFTWARE OR CREATE DERIVATIVE WORKS BASED ON THE SOFTWARE OR ANY ACCOMPANYING WRITTEN MATERIALS b The Software and the accompanying written materials are copy righted Unauthorized copying of the Software including portions thereof or the written materials is expressly forbidden c
6. You understand that the Company may update or revise the Software and in so doing incurs no obligation to furnish such updates to you 3 Limited Warranty The Company does not warrant that the operation of the Software will meet your requirements or operate free from error The Company DISCLAIMS ALL OTHER WARRANTIES AND CONDITIONS EITHER EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT OF THIRD PARTY RIGHTS 4 Limited Liability The liability of the Company for any claims arising out of this License based upon the Software regardless of the form of action shall not exceed the greater of the license fee for the Software 4 OPERATION SYSTEM POWER The BP 2002 belt pack receives power externally one of two ways Viathe intercom channel Viathe local power pin 2 of the intercom channel connector The BP 1002 belt pack receives power externally via the intercom channel Both the BP 1002 and BP 2002 will pass system power through to subsequent belt packs that are daisy chained together INITIAL BP 1002 BP 2002 SETUP The channel termination is initially set for balanced operation which is compatible with other Audiocom equipment If the unit is going to be connected to Clear Com equipment one switch and several jumpers must be changed as described in the section on Clear Com Setup in this manual The headset microphone type is initially set
7. desired mode is reached press the Talk key to select that mode and exit the mode changing function Beeps will be heard in the headset when the mode changing function is exited The number of beeps heard indicates the selected mode of operation NOTE Each time the intercom system power is turned on the beltpack will reset to the default mode of operation Mode 2 10 INTERNAL SWITCHES JUMPERS AND ADJUSTMENTS There are several internal switches jumpers and 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 Switch jumper and adjustment locations are shown in Figure 2 eecces 2 5 y Be S ejr me Sus e e Figure 2 Internal Switches Jumpers and Adjustments Note if you have 9350 7749 000 board figure 4 on page 19 NOTE Figure 2 shows a BP 2002 with the switches and jumpers in their factory default positions referenced in Table 2 The SIDETONE adjustment is also accessible behind the screw that holds the belt clip callout 5 in Figure 1 The functions of the internal switches and jumpers are described in Table
8. for single ended dynamic operation To change the microphone type to balanced dynamic refer to Table 2 for the position of JP9 2002 5 Figure 1 2002 amp BP 1002 Connections Controls 6 onnections and Controls EXTERNAL CONNECTIONS amp CONTROLS NOTE The numbers refer to the callouts in Figure 1 1 VOLUME CONTROL Use this control to adjust the headset listen level CHAN BUTTON AND Indicators The Chan button only on the BP 2002 allows the user to select which intercom channel is active The yellow indicator next to the 1 or 2 lights to show the active channel Press the Chan button to change the channel selection the yellow indicator for that channel will light CALL BUTTON AND INDICATOR The Call function allows the user to send or receive signals to other devices on the intercom channel selected The Call button operates in two ways Call receive When there is an incoming call signal the indicator is red If Audible Call Alert is enabled incoming calls will cause beeps in the headset On the BP 2002 calls can be received on the selected channel only Call send To send a call signal to all stations on a channel press and hold the Call button until a verbal response is received The indicator will glow red On the BP 2002 calls can be sent on the selected channel only TALK BUTTON AND INDICATOR
9. on with the intercom system The BP 2002 belt pack may also be powered from an optional power supply 18 30 VDC connected be tween 2 and pin 1 of the intercom channel connector 8 INTERCOM CHANNEL CONNECTORS On the BP 1002 the intercom channel is connected via a pair of 3 pin connectors one male and one female The male and female connectors are wired together in parallel providing a loop through at each connector pin Use one connector to connect to the intercom channel Use the other connector to daisy chain a cable to the next belt pack or other station on the channel OPERATING MODES The microprocessor within the BP 1002 BP 2002 controls four modes of operation that affects the Microphone Kill and Audible Call Alert features E Mic Kit B T 1 Disabled Disabled 2 Default Enabled Disabled 3 Disabled Enabled 4 Enabled Enabled Table 1 Operating Modes Changing Modes of Operation Perform the following steps to change the mode of operation 1 2 Both the Talk and indicators should be off 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 Press the Call key to change to the next mode of operation Each press of the Call key will cause the BP 1002 BP 2002 to change to the next mode of operation When the
10. using the 000 board see page 19 for the default settings 12 Table 3 Internal Switches and Jumpers Jumper Switch Number Jumper or Switch Function Default Setting SW3 Electret Dynamic Microphone Select Must be set to Dynamic when JP9 functions are designed Dynamic JP9 Balanced Single ended Dynamic Mic SW1 must be set to Dynamic Single ended Mic Pins 1 amp 2 shorted Balanced Mic Pins 2 amp 3 shorted Pins 1 amp 2 shorted Power Select Channel One Power Pins 2 amp 3 shorted On BP 1002 pins 2 amp 3 always shorted Channel Two Power Pins 1 amp 2 shorted Pins 2 amp 3 shorted JP5 Power Select Channel One Power Pins 2 amp 3 shorted On BP 1002 Pins 2 amp 3 always shorted Channel Two Power Pins 1 amp 2 Shorted SW1 Must be set for same channel as JP6 for proper power operation in Audiocom mode on 2002 Must be used in conjunction with SW1 Clear Com Audiocom Operation Unbalanced Balanced Line Must be used in conjunction with JP4 JP5 JP2 and JP1 Pins 2 amp 3 shorted Balanced JP4 Clear Com Audiocom Operation Pins 1 2 shorted UNBAL Clear Com Jumper on one pin only JP2 DC Call Detect Clear Com operation only not used in Audiocom mode BP 2002 only Disabled No pins jumpered Enabled Pins 1 amp 2 shorted To enable use jumper from JP5 DC Call Detect Clear Com oper
11. JP1 set to UNBAL position Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Common Local power 14 to 30 VDC Channel A 30 VDC input Channel A intercom audio call signal Channel B 30 VDC input Channel B intercom audio call signal 15 SPECIFICATIONS GENERAL Power Requirements Channel supplied 24 VDC nominal 45 to 70 mA Local power BP 2000 only 24 VDC nominal 18 to 30 VDC 45 to 70 mA Environmental Requirements Storage 20 C to 80 C 0 to 95 humidity non condensing Operating 15 C to 60 C 0 to 95 humidity non condensing Dimensions 5 0 127 mm H x 3 5 88 9 W x 1 8 45 7 mm D Weight 1 5 pounds 0 68 kg INTERFACE REQUIREMENTS Headset 50 to 200 ohm dynamic microphone 150 to 600 ohm headphones Balanced Intercom Channel Output Level 1 Vrms nominal Input Impedance 300 ohm 5 Bridging Impedance greater than 10 000 ohm Call Signalling Send 20 kHz 100 Hz 0 5 Vrms 10 Receive 20 kHz 800 Hz 100 mVrms Mic Off Frequency Detect 24 kHz 800 Hz 100 mVrms Noise Contribution less than 60 dB on the line 16 Unbalanced Intercom Channel Output Level 480 mVrms 10 Input Impedance 200 ohm 5 Bridging Impedance greater than 10 000 ohm Call Signalling Send 12 3 VDC Receive 4 VDC minimum HEADPHONE AMPLIFIER Voltage Gain 20 3 dB from the line Maximum Output 60 mW into 150 ohm Frequency Response 200 Hz to 8 kHz with no more than 4 dB deviation Audible Aler
12. Telex Operating Instructions BP 1002 BP 2002 Belt Packs Audiocom Intercom System 93507740 000 Rev E INTRODUCTION The Audiocom BP 1002 and BP 2002 microprocessor controlled one and two channel intercom belt packs An internal switch and jumper setting allows the units to be used with Clear Com components if desired Other internal switch and jumper settings allow the unit to be uniquely configured to the operator s requirements FCC STATEMENT This equipment uses and can radiate radio frequency energy that may cause interference to radio communications if not installed in accordance with this manual The equipment has been tested and found to comply with the limits of a Class A computing device pursuant to Subpart B Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference which the user at his own ex pense will be required to correct CE This product meets the Electromagnetic Compatibility Directive 89 336 Audiocom is a registered trademark of Telex Communications Inc Burnsville Minnesota 55337 Clear Com is a registered trademark of Clear Com Intercom Systems 3 End User License Agreement for Telex Software IMPORTANT Please read this document carefully before using this product THIS DOCUMENT STATES THE TERMS AND
13. ation only not used in Audiocom mode BP 2002 only Disabled No pins jumpered Enabled Pins 1 amp 2 shorted No jumper present Jumper on one pin only JP13 For RTSTM use only Must be installed 13 Note In case of local power use install jumper on pins 2 amp 3 of U6 CONNECTOR PIN CONFIGURATIONS Headset Connector 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 1002 Type One XLR 3M and XLR 3F pair callout 8 in Figure 1 Audiocom Mode Internal switch SW1 and jumpers JP4 JP5 JP2 and JP1 set to BAL position Pin 1 Common Pin2 Intercom audio low and 24 VDC input Pin3 Intercom audio high and 24 VDC input Clear Com Mode Internal switch SW1 and jumpers JP4 JP5 JP2 and JP1 set to UNBAL position Pin 1 Common Pin2 30 VDC input Pin3 Intercom audio call signal 14 2002 Type One XLR 6M XLR 6F pair callout 7 in Figure 1 Audiocom Mode Internal switch SW1 and jumpers JP4 JP5 JP2 and JP1 set to BAL position Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Common Local power 24 VDC Channel A intercom audio low and 24 VDC input Channel intercom audio high and 24 VDC input Channel B intercom audio low and 24 VDC input Channel B intercom audio high and 24 VDC input Clear Com Mode Internal switch SW1 and jumpers JP4 JP5 JP2 and
14. is Collect charges may be avoided by sending a signed check for payment in full along with your signed estimate approval form the estimate includes the shipping charge 22 TELEX TELEX COMMUNICATIONS INC 12000 Portland Avenue South Burnsville MN 55337 USA
15. t 1 kHz at the headset Total Harmonic Distortion Less than 2 at 50 mW from the line Sidetone 20 dB minimum range adjustable 17 DYNAMIC MICROPHONE AMPLIFIER Voltage Gain Mic to Channel 45 3 dB before limiting Mic to Headphone adjustable 65 dB range into 150 ohm 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 24 3 dB before limiting Mic to Headphone adjustable 45 dB 10 into 1500hm Frequency Response 200 Hz to 8 kHz 1 3dB Total Harmonic Distortion Less than 1 at Channel output 18 Figure 4 Board Number 9040 7740 000 Product Default Jumper Settings BP 1002 BP 2002 Shorting across Pins 1 and 2 JP7 JP8 JP10 JP11 JP12 and JP13 Shorting across Pins 2 and 3 JP5 JP6 and JP9 Not Populated JP1 JP2 and JP3 Populated on Pin 1 Only JP4 Shorting across Pins 1 and 2 JP7 JP8 JP9 JP10 JP11 JP12 and JP13 Shorting across Pins 2 and 3 JP5 and JP6 Not Populated JP3 Populated on Pin 1 Only JP1 JP2 and JP4 Default Settings 19 OO OO OO OO OO om APPENDIX OPTIONAL FOOTBALL MODIFICATIONS GENERAL DESCRIPTION In Audiocom Intercom Systems the Mic Kill feature is used to turn off any activated microphones on a selected channel The Mic Kill feature is activated when the beltpack receives
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