Avaya 250-Watt Installation and Use Manual
Contents
1. Figure 7 Speaker Connection Output Wiring Page 9 of 12 Figure 8 LUWMT1A Connection to RCA Jack on Amplifier RCA Jack Amplifier Bennie LUWMT1A Connector An RCA jack is provided near the output terminal strip for connection to an LUW MT1A impedance matching transformer Com Code 405891680 A 600 ohm telephone level output signal can be obtained by plugging the RCA connector of the LUW MT1A into this jack and taking the output signal off of the LUW MT1A screw terminals see Figure 8 NOTE For information on connecting Telephone Paging Amplifiers to the Lucent PCM Paging System Zone Controller model LUPCMALL please refer to the LUPCMALL instruction manual Output Cover Replacement W hen all output connections are made remove the appropriate knockout on the input cover Replace the cover and tighten the screws while dressing the wires through the knockout hole Page 10 of 12 controls to their full counterclockwise positions and all other controls to their reference position or to mid rotation Indicators POWERIND The POWER IND LED illuminates whenever AC power is applied to the amplifier there is no power switch on the amplifier PEAK LEVEL The PEAK LEVEL LED illuminates whenever the speaker output signal level approaches its maximum level This indicator is used when setting volume levels Maximum output level is achieved when the PEAK LEVEL indicator flashes intermittently on loud p2. racks using the mounting flanges as shown in Figure 3 rack screws are not supplied In the factory set position the unit will protrude from the front of the rack This provides the best ventilation of the unit and easier access to the wiring connections NOTE The unit can also be mounted partially recessed in the rack by reversing the mounting flanges Unscrew the mounting flanges 3 screws mount the flange to the cover and install them in a flipped over orientation This position will provide adequate ventilation and centers the weight of the unit over the rack rails Page 5 of 12 Wiring Connections IMPORTANT Before making any connections or wiring changes to the amplifier or any equipment connected to the amplifier make sure that the amplifier is NOT plugged into an AC outlet NOTE The amplifier does not have a power switch so it must be unplugged in order to turn the power off Input W iring All signal input and control wiring is made to the terminal strip and RCA connectors beneath the left side access cover Loosen the 2 Phillips head screws on each side of the cover and remove it TEL Input and Control Pair The telephone input is a 600 ohm dry loop balanced input available at the T and R terminals It is controlled by a dry contact closure that is made between the control terminals labeled TEL and COM Shorting these terminals together will mute the background music input and open the Tel page channel see Figure 4 NOT
3. closure to mute background music and open the telephone page channel Background music mute level during page is adjustable and the music slowly fades back in after the page is completed An automatic level control system limits the output level of the telephone page channel so that differences in the volume of the paging party s voice will be less noticeable Bass and treble controls are provided for adjusting the quality of the output signal An Aphex Aural Exciter feature is also provided Aphex improves the clarity of the output signal by replacing the higher frequency harmonics that are normally lost through the telephone system This amplifier includes a built in night ringer that can be triggered by either a standard telephone analog ring signal or an external contact closure The night ringer mutes the background music but not pages Package C ontents Telephone PagingAmplifier unit 4 wall mounting screws Installation and Use Manual Before You Start Review the contents of the box Read through this entire manual to understand how this product installs and operates NOTE Be sure you have enough 22 AW G shielded twisted pair wire COM Code 401882956 PEC Code 2734 SPK for your speaker runs Page 4 of 12 Figure 2 Wall Mounting the Amplifier SCREW 8 x 5 8 x 16 mm WITH TEFRON WASHER 1 8 x 5 16 3 x 8 MM TYP 4 PCS SN ES ste esge sss SSS att VAANAA V
4. optimum NOTE The PEAK LEVEL indicator should not show excessive peaking during loud pages If this is occurring the ALC control must be further increased Page 11 of 12 MUSIC VOLUME This contro adjusts the level of the background music output No reference level setting position is provided The background music level should be set to an acceptable level without overdriving the system W hen adjusting this level the PEAK LEVEL indicator should be observed to ensure that the amplifier signal is not distorted MUSIC MUTE This control adjusts the level of the background music heard during a paging announcement No reference level setting position is provided The background music mute level should be set to the customer s satisfaction but the page announcement must always be easily heard above the background music MIC VOLUME This control adjusts the level of the microphone page output A reference level setting position is provided with this control W hen set to this position the output level of the page should be about maximum Further adjustment can be made by observing the PEAK LEVEL indicator CAUTION Microphone should not be placed near any paging loudspeakers RINGERVOLUME This control adjusts the level of the night ringer tone output No reference level setting position is provided The background music level should be set to the customer s satisfaction W hen adjusting this level the PEAK LEVEL indicator should be used to e
5. AN RACK MOUNTING SCREWS ARE NOT SUPPLIED Figure 3 Rack Mounting the Amplifier Mounting The amplifier is designed for wall mount applications but can also be mounted in a standard 19 rack The 250W amplifier weighs 31 Ibs NOTE The amplifier will produce heat during operation which will rise and may cause problems for temperature sensitive equipment mounted above it Mount the amplifier near the top of the backboard for wall mounting or rack for rack mounting so that no other equipment will be above it If this is not possible then allow at least 12 between the top of the amplifier and the bottom of any equipment positioned above it Also allow at least 6 between the bottom of the amplifier and any equipment below it to allow for adequate air circulation Wall Mounting To wall mount this unit use the four 5 8 pan head screws with nylon washers provided see Figure 2 Insert the top two screws first leaving the heads protruding about 1 4 Lift the amplifier and place it over the 2 screws using the top keyhole slots in the flanges at the sides of the amplifier Allow the amplifier to rest on the 2 screws and then proceed to insert the bottom 2 screws into the lower keyhole slots W ith all the screws in place tighten the screws to secure the amplifier NOTE Backboard must be a minimum of 3 8 thick plywood and securely mounted to the wall Rack Mounting The amplifier was designed to mount directly to standard 19
6. E In instances where the amplifier is to be placed permanently in the Tel page mode a wire jumper must be installed between the TEL and COM terminals Telephone Paging Amplifier Figure 4 Wiring for TEL Input P ging P a ag ae are eee Le pe ZX ic volume A ee eee ZX TEL VOLUME x ane LUCENT TECHNOLOGIES APHEX MUSICIN BRIDGING A aa coe Ba T GND m Bg EANG ANG aooaa Universal Paging Access Module Lucent Technologies BGM IN MODE OFF ON t e S 24VDC PWR SUPPLY s1 s2 PHONE SYSTEM J 48VDC PWR SUPPLY s1 s2 R ae m CONFIRMATION TONE s3 S4 PREANNOUNCE TONE S4 3 O VOX DISABLE S5 VOX ENABLE S5 M EXT VOX ENABLE T M PAGING OUTPUT J Ry PR N O CONTACT CLOSURE A COM INPUT POWER SUPPLY 24 48 TRUNK ACCESS ONLY 24148 co 0 14 PAGE PORT mone BGM MIN MAX MIN MAX MIN max E SWITCHES va TONE VOL VOX DELAY PAGING TIME CONTACT CLOSURE B N O COM i i WJ Page 6 of 12 Tel Input to Universal Coupler After properly connecting your Universal Coupler 909 to your auxiliary trunk port set your switches as follows C1 C2 to C2 Rocker Switch 3 closed and all others op
7. Lucent Technologies Bell Labs Innovations Telephone Paging Amplifier 250 Watt Model Installation and Use Manual Issue 2 January 2000 1999 Bogen Communications Inc All rights reserved 54 2023 01 9910 LU250WAMP PEC Code 5328 250 COM Code 408186096 Select Code 701 000 116 1999 Bogen Communications Inc All Rights Reserved Printed in Korea Notice Every effort was made to ensure that the information in this guide was complete and accurate at the time of printing However information is subject to change Important Safety Information Always follow these basic safety precautions when installing and using the unit 1 Read and understand all instructions 2 Follow all warnings and instructions marked on the product 3 DO NOT block or cover the ventilation slots and openings They prevent the product from overheating DO NOT place the product in a separate enclosure or cabinet unless proper ventilation is provided 4 Never spill liquid on the product or drop objects into the ventilation slots and openings Doing so may result in serious damage to the components 5 Repair or service must be performed by a factory authorized repair facility 6 The product is provided with a UL CSA approved 3 wire ground type plug This is a safety feature DO NOT defeat the safety purpose of the grounding type plug DO NOT staple or otherwise attach the AC power supply cord to building surfaces 7 DO NOT use the pr
8. eaks of the input signal If the indicator illuminates steadily the output signal volume is set too high and distortion is occurring Decrease the volume control for the appropriate input until the indicator flashes only occassionally TEL VOLUME This control adjusts the level of the telephone page output A reference level setting position is provided with this control W hen set to this position the output level of the page should be about maximum Further adjustment can be made using the PEAK LEVEL indicator described above ALC The ALC controls the level at which the amplifier will begin to limit the output signal level A reference setting position is provided for this control Normally the reference position provides optimum performance however if further adjustment is desired use the following steps for setting the ALC control Manual O utput Adjustment Procedure follow only if minor adjustments to the reference settings are not adequate 1 Disable ALC by turningALC control 2 Make a page speaking softly yet distinctly Set the TEL VOLUME control to the desired paging level during this page 3 Make another page speaking relatively loudly this time Rotate the ALC control while making the page until it has the same loudness as the first page NOTE TheTEL Volume andALC controls work together to set the output level W hen both controls are set to the reference positions the amplifier provides a nominal 70V signal output
9. elephone Paging Amplifier I LUCENT TECHNOLOGIES APHEX MUSIC IN BRIDGING m CONTACT TEL te a Ha TiN Te g BAL RING RING D ADA AAAY A eLA ISAT BLA ISA IA KY c D Shield GND White MIC CONTROLS Green COM CONTROLS Pope U Red MIC MIC BAL Black MIC MIC BAL Microphone Cable Page 7 of 12 Night Ringer Connection Either a standard telephone analog ring signal 90 105 V AC 20 30 Hz or an external contact closure activates the night ringer function of the amplifier To activate the night ringer using standard telephone analog ring connect the analog station s tip lead to the TEL RING T terminal and connect the ring lead to the R terminal If using an external contact closure connect the closure pair across the CONTACT RING terminals not polarized The night ringer follows the cadence of the activating signal Bridging Inputs Bridging increases the total output power of the system For example when two 250 watt amplifiers are bridged the total output capacity is 500 watts Bridging is also a means by which to increase the number of amplifier inputs to an amplifier by using the input stage of a second amplifier see Figure 6 The inputs of two or more amplifiers can be combined by using the bridging connections p
10. en Coming out of the J2 Jack of the Coupler connect the blue white pair to the amplifier Tip and Ring Connect the brown white pair to Tel and Com on the control terminals Music Input A single RCA connector is provided for the connection of a background music source Use a male RCA to RCA cable not included to make this connection This is a mono input and requires that the output of stereo sources be converted to mono by using aY adapter not included Use a LUW MT1A to balance the music input if necessary to reduce hum noise from a grounded music source Microphone Input A high gain low impedance microphone input is provided in this amplifier It is designed to work with microphone LUSZMIC Com Code 408186238 PEC Code 5335 400 Connect the microphone s black wire to the amplifier s negative terminal under the MIC BAL connections Connect the microphone s Red wire to the positive terminal Connect the shield wire from the microphone to the adjacent GND terminal Connect the microphone s white lead to the Control terminal marked MIC and the green lead to the CO M See Figure 5 Two conductor shielded microphone wire should be used to extend the cable from the microphone 22 AWG shielded twisted pair speaker cable Com Code 401882956 PEC Code 2734 SPK will also work W hen extending microphone cable be sure to connect the shields of the microphone cable to the extension wire iy Figure 5 Connect Microphone to T
11. nsure that the amplifier signal is not distorted APHEX This control adjusts the amount of A phex Aural Exciter effect mixed in to the page signal No reference position is provided for this feature To use this function the APHEX switch beneath the input connection cover must be set to ON Setting this switch to O FF bypasses the A phex effect and makes the control inoperable W ith the APHEX switch turned on make a page and rotate the control until the audio sounds crisp and clear BASS and TREBLE Bass and treble controls are provided to adjust the high frequency and low frequency response of the paging system Reference positions are provided for these controls W hen set to these positions the frequency response of the system will be flat Set the controls to the customer s satisfaction Clockwise rotation increases boosts the response and counterclockwise reduces cuts the response Increasing bass and or treble can cause output signal peaks to increase Check the PEAK LEVEL indicator after making bass adjustment and lower the music input volume if excess peaking occurs Page 12 of 12
12. oduct near water or in a wet or damp place such as a wet basement 8 DO NOT use extension cords The product must be installed within 6 feet of a grounded outlet receptacle 9 DO NOT install telephone wiring during a lightning storm 10 DO NOT install telephone jacks in a wet location unless the jack is specifically designed for wet locations 11 Never touch uninsulated wires or terminals unless the line has been disconnected at the paging or controller interface 12 Use caution when installing or modifying paging or control lines Support Information Paging systems integrated with small phone systems such as Merlin Legend and Partner are supported by the National Service Assistance Center NSAC The main number for the NSAC is 800 628 2888 Paging systems integrated with large switches such as the DEFINITY G3 are supported by the Technical Service Center TSC The main number for the TSC is 800 242 2121 Domestic and International Listings UL and CSA Listed Page 2 of 12 Contents Page 3 of 12 Telephone Paging Amplifier M N Introduction This document describes the Lucent 250 watt Telephone Paging A mplifier T hese are full featured wall mounted amplifier that provides inputs for dry loop 600 ohm telephone page signal background music source and low impedance microphone A set of control inputs allow an external contact
13. p located under the right side access panel Loosen the 2 Phillips head screws on each side of the cover and remove the cover IMPORTANT Before making any connections or wiring changes to the amplifier or any equipment connected to the amplifier make sure that the amplifier is NOT plugged into an AC outlet NOTE The amplifier does not have a power switch so it must be unplugged in order to turn the power off Speaker Connection 70 volt speaker connections are made between the 70V and COM terminals on the output terminal strip see Figure 7 Use a 22 AW G shielded twisted pair cable Com Code 401882956 Pec Code 2734 SPK Connect the shield of the cable to the GND terminal of the output terminal strip The COM and GND terminals of the output terminal strip are connected using a shorting clip The shorting clip enables the amplifier output to act as an unbalanced output one side of the output connected to ground If desired the output can be made to be a balanced output with no connection to ground To balance the output simply remove the shorting clip All speaker connections remain the same as above including connecting the shield to the GN D terminal NOTE The amplifier output terminal strip also includes terminals for 25V and 70V speaker connections These are provided for special applications and are generally not used Output Terminal Strip
14. rovided on these amplifiers An RC A to RCA cable not included is used to connect the bridging jacks of different amplifiers together O nce bridged each amplifier will amplify the inputs present on both amplifiers The level control of a particular input on an amplifier will control the volume of this signal on both amplifiers The cable used to bridge amplifiers should not exceed 20 feet in length NOTE You can only bridge up to 3 amplifiers at one time 250 watt amplifiers can only be bridged with other 250 watt amplifiers Input Cover Replacement When all connections are made remove an appropriate knockout on the input cover Replace the cover and tighten the screws while dressing the wires through the knockout hole Sa E M AON MUSIC IN BRIDGING TEL CONTACT TEL GND M BAL f RNG RING DAIDAAAAAAMA TEL VOLUME HA ac LUCENT TECHNOLOGIES a APHEX MUSIC IN BRIDGING controis Mc TEL CONTACT TEL meL mc com F BAL GND p BAL RNG M RNG adaaidaaaaaia Page 8 of 12 O utput W IrINQ All output wiring connections are made to the terminal stri
Download Pdf Manuals
Related Search