Avaya 70V User's Manual
Contents
1. PEC Code 5330 115 COM Code 408184034 Model LURCVCS PEC Code 5330 215 70V Lucent Technologies Bell Labs Innovations COM Code 408184059 Speaker Model LURC70VS PEC Code 5335 030 Round Voice Coil or 70V COM Code 408184562 Backbox Model LURCSE Speaker with Support Bridge 1 Unscrew cut off or break plastic shipping screws that mount the speaker to the bridge support Discard any packing material A Remove ceiling tile from ceiling and place on floor or over large trash can provides support and saves clean up time Place the ceiling tile with the finished position side facing up Round sp J nut po 3 Using the bridge support as a tem plate mark a square opening in the ceiling tile as shown in the illustra tion Remove the bridge support and cut out the square with a utility knife 4 Turn ceiling tile over so the unfin ished side is facing up Replace bridge support over cutout Bend tabs 8 into cutout to prevent sliding EE ypical 2 x 4 ceiling tile Issue 1 October 1999 54 2016 01 Printed in USA 9910 1999 Bogen Communications Inc All rights reserved Page 1 of 4 Specifications subject to change without notice Select Code 701 000 014 p covers the backbox optional installation Skip this step and proceed to step 6 if you are not installing a Note This ste backbox Punch out the knock out in the backbox and feed speaker wire through hole Position the backbo2. s made for the first time Tap Settings 70V Systems Common Wire to Page 3 of 4 Mount the speaker assembly to the bottom surface of the ceiling tile Secure with four mounting screws and J nuts as illustrated Mounting Round Speaker Assembly Note f a backbox has been installed speaker assemblies still mount as shown Mounting Screws 4 9 Use a screwdriver to turn the attenuator located in the center of the speaker grille to the fully clockwise position Make a test page and adjust the attenuator and tap settings as follows a If page is too loud turn the attenuator counterclockwise until desired level is attained b If page is not loud enough move the signal wire to the next higher tap setting and retest Continue until the appropriate tap setting is reached and use the attenuator to make fine adjustments Note Final testing and adjustments should always be made at normal building sound levels Page 4 of 4
3. x onto the bridge sup port as shown and use horseshoe tabs to secure it into place Note Remove the four J nuts from the backbox Backbox knock out hole y Horseshoe tab 4 from support bridge Horseshoe Tab 4 Speaker Wire p pg 2 D amp D oO o f m Q O amp a attached speaker support bridge back into its ceiling position Ensure speaker wires are pulled to tile location Page 2 of 4 The next step is to attach the speaker wires to the appropriate tap terminals located on the back of the speaker Note Use 22 AWG shielded twisted pair on all wire runs Com Code 401882956 Pec Code 2734 SPK Connect speaker wire shield to the ground GND terminal of the amplifier s output Carry the ground through all speaker cables by tying the shields of the speaker cables together in a daisy chain fashion Do not connect the shield to the speaker itself The shield is only connected at the amplifier end and simply floats Note The speaker will also work perfectly well with these connections reversed However reduced low frequency response may result Use the appropriate instructions below 7a for voice coil speakers or 7b for 70V round speakers 7a Voice Coil Speaker Connect wires to terminals 70V Round Speakers Note With 70V speakers select the lowest tap setting 1 8W or 1 4W before testing the speakers This ensures that nobody will be blasted when a page i
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