MODEL BP-325 Belt-pack Intercom Station User Manual I II 9350-5690-00 Rev.
PROPRIETARY NOTICE SHIPPING TO THE MANUFACTURER The product information and design disclosed herein were originated by and are the property of Telex Communications, Inc. Telex reserves all patent, proprietary design, manufacturing, reproduction, use and sales rights thereto, and to any article disclosed therein, except to the extent rights are expressly granted to others. All shipments of product should be made via UPS Ground, prepaid (you may request from Factory Service a different shipment method).
Table Of Contents Chapter 1 - Connections And Operation Connections ................................................................................................................................................. 1 Headset ........................................................................................................................................................ 1 Intercom Channels ...................................................................................................................
CHAPTER 1 CONNECTIONS AND OPERATION This section describes operation of the BP325 as supplied from the factory. Use of an RTS power supply to power the intercom system is assumed. For options and use of an alternate power source (See “PROGRAMMABLE OPTIONS” on page 3. and See “ALTERNATE POWERING METHODS” on page 5.. CONNECTIONS Headset Connect a headset using one of the three headset connectors on the back panel.
CONNECTIONS AND OPERATION BP325 PORTABLE HEADSET STATION RTS SYSTEMS 1 2 1. Channel 1 talk button, indicator light and listen volume control. 2. Channel 2 talk button, indicator light and listen volume control. T A L K T A L K 3. Call button and indicator light. C A L L 4. Carbon-mic headset jack. May also be used for external mic switch. See "Programable Options". 5. Program volume control. Active only when using the line loop connector for optional program input. See "Programable Options".
FACTORY SETTINGS a.When there is an incoming call on a channel, the red call LED will flash. b.If a talk LED is also flashing, this indicates that you need to activate that TALK button to begin your conversation. c.If no talk LED is flashing, this indicates that the TALK button is already on; simply begin your conversation. 6. Sending a Talk-off Signal: The BP325 can generate an inaudible signal which can be used to deactivate the talk buttons on other intercom stations connected to an intercom channel.
CONNECTIONS AND OPERATION Jumpers (W1-W7) No.
CONNECTIONS AND OPERATION e. As supplied, the TALK buttons feature a dualaction momentary/latching operation: press and hold for momentary talk, then release when finished; or tap to latch ON for hands-free talk, and tap again to turn OFF when finished talking. If desired, the latching operation may be defeated, and the TALK buttons may be operated in momentary mode only. f. Setting DIP switch 3 to the ON position will disable the channel 2 TALK button.
CONNECTIONS AND OPERATION Pin 3, Ch 2 +Audio Pin 2, +18 TO +24 VDC TO BP325 LINE INPUT 200 Ohms TO INTERCOM CHANNELS AND POWER SUPPLY + 10mF / 50V Pin 1, Common LINE INPUT Connector Wiring for 1-Channel Operation with Non-RTS Power Supply FIGURE 1. CUT TRACE FIGURE 2. Bottom View of the Main Circuit Board Pin 3 No Connection Pin 2 +18 to +24 VDC Pin 1 Common LINE LOOP Connector Wiring for 2-Channel Operation with Non-RTS Power Supply. FIGURE 3.
CONNECTIONS AND OPERATION METHOD TWO: TWO CHANNEL OPERATION WITH A NON-RTS POWER SUPPLY 1. Referring to Figure 1, remove all three screws (10a and 10b) on the back connector panel of the BP325. Remove the rear cover/belt clip assembly. 2. There are two connectors that connect the main circuit board to the front panel circuit board. Pry the tabs on these two connectors to disconnect them. Remove the back connector panel and main circuit board from the belt pack. 3.
CONNECTIONS AND OPERATION 8
CHAPTER 2 REPLACEMENT PARTS WHERE TO OBTAIN PARTS Parts may be obtained directly from RTS at: TELEX/RTS SYSTEMS Attn: Factory Service 8601 East Cornhusker Hwy. Lincoln, NE 68507 U.S.A.
REPLACEMENT PARTS MECHANICAL PARTS Final Assembly (Refer to Figure 5, “Final Assembly, BP325,” on page 21 drawing for Item No. locations) Rear Panel Assy (Refer to Figure 3, “Rear Panel Assembly, BP325,” on page 19 drawing for Item No. locations) Item No. Qty Description RTS Part No. Item No. Qty Description RTS Part No. 1 1 Front/Top Panel Assy, BP325 9020673700 1 1 Back Panel, Gray 9080563700 2 1 Front/Top Panel Assy, BP325 9020673720 3 1 Back Panel Assy.
REPLACEMENT PARTS ELECTRICAL PARTS ITEM 1 QTY REF C12,C22,C23,C24,C26, 9 C30,C31,C32,C46 39 7 PART NUMBER VALUE 40 10 1099R2263GT 22UF 41 6 2200UF 2 1 C41 1502R2284E 3 1 U11 53266124 4 2 U13,U14 53281100 5 1 U8 53290000 6 4 J4,J5,J6,J7 59958103 7 1 U10 59631000 8 2 J2,J3 59958106 9 4 10 13 11 2 Q2,Q3,Q11,Q15 102210000 D1,D2,D3,D7,D8,D9,D10, D11,D12,D13,D101,D102,D1 102252000 03 R4,R6 102404146 301 12 2 R62,R64 102404300 10K 13 4 R42,R43,R55,R56 102404
REPLACEMENT PARTS 12
CHAPTER 3 Specifications and Drawings Specifications Program Input Maximum Input Level: +20 dBu Dimensions 5.00” High x 3.75” Wide x 2.05” Deep (127mm x 96.3mm x 52.1mm) Weight Nominal Input Level: -10 to +8 dBu Frequency Response: 100 Hz to 12 kHz, +/-3 dB Monaural Dynamic-mic Headset Connector 0.
Specifications and Drawings Drawings Drawing Number Title 9030-6634-000 Front Panel Circuit Board Assemblyt 9030-6635-000 Main Board Layout 9020-6736-000 Rear Panel Assembly 9020-6737-000 Front/Top Panel Assembly 9010-6738-000 Final Assembly 9027-6635-000 Schematic Diagram, Main Circuit Board (pages 1 & 2) 2502-6736-000 Cable Assemblies 16
Figure 1: Front Panel Board Assembly, BP325 17
Figure 2: Main Board, BP325 18
Figure 3: Rear Panel Assembly, BP325 19
Figure 4: Front/Top Panel Assembly, BP325 20
Figure 5: Final Assembly, BP325 21
Figure 6: Schematic, Main Board page 1 22
Figure 7: Schematic, Main Circuit Board page 2 23
Figure 8: BP-325 Cable Assemblies 24
