Clear-Com PS-232 Instruction Manual
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Clear-Com PS-232 Instruction Manual

Clear-Com PS-232 Instruction Manual

2-channel power supply
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PS-232
2-CHANNEL POWER SUPPLY
I N S T R U C T I O N M A N U A L

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Summary of Contents for Clear-Com PS-232

  • Page 1 PS-232 2-CHANNEL POWER SUPPLY I N S T R U C T I O N M A N U A L...
  • Page 2  2002 Clear-Com Intercom Systems All Rights Reserved Part Number 810277 Rev. A Clear-Com Intercom Systems 4065 Hollis Street Emeryville, CA 94608-3505 U.S.A Clear-Com is a registered trademark of Clear-Com Intercom Systems. The Clear-Com Logo is a registered trademark of Clear-Com Intercom Systems.

  • Page 3: Important Safety Instructions

    Clear-Com PS-232 Power Supply IMPORTANT SAFETY INSTRUCTIONS Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.

  • Page 4: Quick Start

    OPERATION Congratulations on choosing this Clear-Com product. The PS-232 Power Supply is a powerful, yet user friendly unit that can serve as the heart of a Clear- Com system. We recommend that you read through this manual completely to better understand the functions of the PS-232 and how to optimize your system setup.
  • Page 5 After the first few times a short or overload occurs the PS-232 will try to restore power after only 0.5 seconds. If the short or overload persists or repeatedly happens, the microprocessor will take progressively longer (to a maximum of 20 seconds) to try to restore power.
  • Page 6 Figure 1 Front Panel POWER SWITCH: Turns the AC power to the PS-232 on and off. The green Power light will illuminate when the power is ON. OVERLOAD INDICATORS: If a short circuit or overload condition appears on either of the intercom channel outputs, the red Overload light for that channel will illuminate.
  • Page 7 The 2 amps peak is available on channel A and 2 amps is available on channel B. Since the total ca- pacity of the PS-232 is 2 amps peak, the combined current of both of the channels at once may not ex- ceed this maximum.

  • Page 8: Installation

    The current requirements of Clear-Com remote stations and beltpacks vary with model and use. A sta- tion that is simply '"on" and idling in the circuit may draw only a small amount of current. The PS-232 Number of...
  • Page 9 If the PS-232 is the only power supply in the system (no other power supplies or powered main stations are in the system) the termination switch on each channel of the PS-232 should be switched to ON.
  • Page 10 Clear-Com PS-232 Power Supply System Checkout Before you turn on the power: Check Termination There should be one and only one termination for each channel in the system. This termination is usu- ally set to ON at the main station or power supply. To ascertain that only one termination is present on...

  • Page 11: Maintenance

    Remove cables, one at a time from system until the faulty line is located. Check for shorts between pins 1 and 2. Once the short is removed, the PS-232 will reset automatically and the power will come back up within several seconds, depending upon how long the short has been present.
  • Page 12 Solution: Reduce PROGRAM IN level or reduce the gain of the program signal at the source, such as an audio mixer. PS-232 Block Diagram The following is a block diagram of the PS-232: Switching 90 - 240 Power Supply Channel A...
  • Page 13 Clear-Com PS-232 Power Supply Parts List Part Description Rating Part # Designator uF Ceramic Disc 1.4KV 20% 150029 uF Monolithic 10% 150035 C1 C6 uF Aluminum 150064 C28 C29 uF Aluminum 150089 C7 C8 1000 uF Aluminum 150092 uF Tantalum...
  • Page 14 Component Layout Drawing...

  • Page 16: Clear-Com Limited Warranty

    Clear-Com PS-232 Power Supply CLEAR-COM LIMITED WARRANTY Clear-Com products are warranted to be free from defects in materials and workmanship for a period of one year from the date of sale. This warranty does not cover any defect, malfunction or failure caused beyond the control of Clear-...

  • Page 17: Technical Specifications

    4.5 lbs. (2.05 kg) NOTICE ABOUT SPECIFICATIONS While Clear-Com makes every attempt to maintain the accuracy of the information contained in its product manuals, that information is subject to change without notice. Performance specifications in- cluded in this manual are design-center specifications and are included for customer guidance and to...
  • Page 18 Call Signaling: This feature is included with the majority of Clear-Com products. It is a visual indicator on a station (lamp or LED) used to attract the attention of an operator who has removed the headset.
  • Page 19 Clear-Com PS-232 Power Supply Program Interrupt: Disconnects the audio source while the talk button on the main station is pushed. (IFB) Remote Mic Kill (RMK): The ability for certain main stations to shut off all microphones on beltpacks in a system.

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