Bogen PI35A manual

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[...]

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[...]

1 Contents Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Wiring & Gr ounding Pr ecautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Auxiliar y P ow er Receptacle . . . . . . . . . . . . . . [...]

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[...]

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[...]

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[...]

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,[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

50 Spring Street, Ramsey , NJ 07446, U.S.A. T el. 201-934-8500, Fax: 201-934-9832, www .bogen.com[...]