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Bogen PI35A - page 1
Power Intercom Systems Models PI35A & SI35A Installation and Operation Manual © 2003 Bogen Comm unications, Inc. All rights r eser v ed. Specifications subject to change without notice . 54-5034-0 1 D 0503 ...
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Bogen PI35A - page 2
Notice Ever y effor t was made to ensure that the inf ormation in this guide was complete and accurate at the time of printing. Howe v er , information is subject to change . Impor tant Saf ety Inf ormation W ARNING: T o Reduce The Risk of Fir e Or Electric Shock, Do Not Expose This Apparatus T o Rain Or Moistur e. Alwa ys follow these basic saf et ...
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Bogen PI35A - page 3
1 Contents Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Wiring & Gr ounding Pr ecautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Auxiliar y P ow er Receptacle . . . . . . . . . . . . . . ...
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Bogen PI35A - page 4
2 Unpacking Y our Bogen equipment was car efully check ed befor e lea ving the factor y; inspect the shipping container and unit closely for impr oper handling. If the unit has been damaged, mak e an immediate claim to the distributor fr om whom it was pur chased. If the unit was shipped directly to y ou, sa v e all shipping materials and notify th ...
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Bogen PI35A - page 5
3 Intr oduction Description Bogen Models PI35A and SI35A ar e 25-station intercom systems (SI35A is expandable to 75 stations). They can pro vide facilities with two-wa y communication, emergency paging, time tones and backgr ound m usic or other audio pr ogram material to speak er -equipped locations. Both systems consist of a master contr ol pane ...
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Bogen PI35A - page 6
4 MCP35A F r ont Contr ol P anel 1 2 3 4 5 6 7 8 9 RELEASE 1 . CONSOLE MIC - Used as micr ophone 1 or in conjunction with the emergency page or pr ess-to-talk/r elease-to- listen (intercom) push-buttons. This mic is alwa ys used for tw o-wa y intercom calls, using the gr een button, and emergency paging using the red button. No external mic can r e ...
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Bogen PI35A - page 7
5 MCP35A Rear Contr ol P anel 1 . MIC 1 - Connections f or an external mic (MIC 1 ). When the PR OGRAM DISTRIBUTION button MIC 1 is pr essed, the microphone connected her e becomes activ e. As shipped from the factor y , a link is installed betw een the HI and CONS MIC terminals. This mak es the CONSOLE MIC act as MIC 1 . When the link is r emoved, ...
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Bogen PI35A - page 8
6 SBA225 Speak er Selector F r ont P anel 1 . R OOM SELECT OR SWITCH - Position of the r oom switch contr ols the type of audio pr ogram material deliv ered to the r oom speak er . 2. CALL ANNUNCIA T ORS - Lights to indicate a r oom has placed an inter com r equest fr om a call switch. 3. PR OGRAM B USES - A r oom speak er can be turned off or conn ...
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Bogen PI35A - page 9
7 Basic System Operation Communicating With a Selected Speak er Use the following steps to talk and listen to a r oom that has its s witch set to the “C” (down) position. 1 . Place the switch of the r oom that you wish to talk and listen to in the “C” (do wn) position. 2. Make sur e the PR OGRAM DISTRIBUTION button MIC 1 is in the out posit ...
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Bogen PI35A - page 10
8 Basic System Hook-Up 4-Wir e Speak er Connections to the SBA225 4-wire speak er connections (3-conductor + shield) is r ecommended f or all ne w installations. The figur e below shows the connection to the back of the SB A225 when using a 4-wir e system. Note: Y ou must use Bogen connectors for this connection. There ar e diff erent connectors a ...
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Bogen PI35A - page 11
9 Call-In Switches T w o call-in s witches, C A 1 0A and C A 1 1 A, ar e r ecommended for use with the SI and PI. The C A 1 0A is a momentary push s witch that has cir cuitr y to light the ann unciator light on the SB A225 r oom selector panel. The C A 1 1 A has the same capa - bility as the C A 1 0A and includes a privacy lock-out position that in ...
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Bogen PI35A - page 12
10 Speak ers and Speak er Wiring The MCP35A contr ol panel of the SI and PI pr oducts is designed to use 25-volt distributed speak ers. These speak ers ha ve line-matching transformers with various po w er le v el taps. 8-ohm speak ers or speak ers without line-matching transf ormers cannot be used with the SI and PI pr oducts. Distributed speak er ...
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Bogen PI35A - page 13
1 1 Advanced Hook-Ups External Emerg ency Mic It is possible to use a microphone (Model MBS 1 000A) with a contact closur e to mak e an emergency announcement. The TELCO terminal on the back of the MCP35A contr ol panel can be used to remotel y trigger an emergency page on the system. Whenev er the TELCO terminal is shor ted to the GND terminal, th ...
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Bogen PI35A - page 14
12 The Bogen model T AMB telephone interface module can be used to mak e a r emote page thr ough the telephone system. Note: J umper J3 on the MCP35A printed cir cuit boar d must be set to the TELCO position. See the Special Adjustments section for jumper information. A Bogen TP-AP Series Interphone can be used to mak e a r emote page . The figur e ...
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Bogen PI35A - page 15
13 External Booster Amp An external booster amplifier (Bogen Model BP A60) can be connected when the application r equir es more than 35 watts. Using an external amplifier disconnects the internal 35W amp of the MCP35A. T o install, connect a RC A cable fr om the MCP35A LINE OUT jack to the Hi-Z input jack on the r ear panel of the BP A60 amplifier ...
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Bogen PI35A - page 16
TWK35 1 Wir e Con v er ter The model TWK35 1 is an ada pter used in instances wher e ther e is existing 3-wir e (2-conductor + shield) r oom wiring. The TWK35 1 cannot be used with the SCR25A module . If 3-wire operation using the TWK35 1 wir e con ver ter is desir ed, C A 1 0A call switches m ust be used (C A 1 1 A Call-In s witches will not work ...
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Bogen PI35A - page 17
SCR25A Call-In Module The SCR25A module can be added to allo w the ann unciator indicators to light from a simple SPST call-in s witch (Bogen model C A 1 7). All call-in switches m ust go back to the SI or PI on separate lines. It will not allo w annunciator illumination fr om parallel connected call-in switches described in the V oice call-in sect ...
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Bogen PI35A - page 18
SI35A Model Option Enhancements The SI35A has pr o visions to ad d up to 2 additional SB A225 s witchbanks. Simply remo v e the blank panels and r eplace with a switchbank. Make connections as sho wn in the diagram belo w . An auxiliar y music sour ce, such as the Bogen CR 1 00A Radio/Cassette Pla y er or TP30D T uner can also be added to the SI35A ...
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Bogen PI35A - page 19
Special Adjustments Gain Adjustments Screwdriv er -adjustable INPUT GAIN contr ols are located on the r ear panel f or MIC 1 , MIC 2, AUX, TEL P A GE, T ALK and LISTEN. Set the contr ols so that signal clipping cannot occur . Pr oceed as follows: 1 . Apply input(s) to the desir ed channel(s). 2. Set the cor r esponding fr ont panel contr ol(s) to m ...
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Bogen PI35A - page 20
Internal Jumper Selections Internal jumpers are pr o vided f or phantom po w er (Mic 1 /Mic2), T elco Page/Mic 2 input selection, monitor speak er muting, and privacy tone defeat. W arning: High v oltages ar e pr esent within the MCP35A. The unit should not be operated without co v ers in place . T o change jumpers, unplug the MCP35A and r emo v e ...
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Bogen PI35A - page 21
T r oub leshooting Guide MCP35A T r oub leshooting Pr ocedure If a problem exists on the MCP35A, certain steps should be tak en to find the pr oblem. This test r elates to the Pr ogram Amplifier (All-Call or Emergency). The first indication of a pr oblem will a ppear on the thr ee le v el indicators at the fr ont of the unit. The y are gr een, yell ...
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Bogen PI35A - page 22
System Specifications Rated Output: Pr ogram — 35W RMS Inter com — 20W RMS Fr equency Response: Pr ogram — + 1 ,-3dB fr om 80Hz to 1 5kHz Inter com — Shaped for maxim um intelligibility Distor tion: Less than 1 % at rated po w er and bandwidth Inputs: T w o Lo-Z balanced MIC inputs; Hi-Z unbalanced A UX input; T elco Page; 25V Booster input ...
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Bogen PI35A - page 23
W ar ranty Bogen ’ s PI35A and SI35A are warranted to be free from defects in material or workmanship for two (2) years from the date of sale to the original purchaser . Any part of the product covered by this warranty that, with normal installation and use, becomes defective will be repaired or replaced by Bogen, at our option, provided the prod ...
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Bogen PI35A - page 24
50 Spring Street, Ramsey , NJ 07446, U.S.A. T el. 201-934-8500, Fax: 201-934-9832, www .bogen.com ...
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