Clear-com PS-704 User Manual

PS-704 FOUR-CHANNEL POWER SUPPLYINSTRUCTION MANUALCLEAR-COM ENCORE

PS-704 FOUR-CHANNEL POWER SUPPLY1-4to use the isolated power provided by the PS-704. Refer to Chapter 2‚ “Installation.”• LOW NOISE CIRCUITRY: The dir

PS-704 FOUR-CHANNEL POWER SUPPLY1-57. TERM. ON/OFF: Slide switch (one per channel) selects whether the PS-704 will provide termination for that channe

PS-704 FOUR-CHANNEL POWER SUPPLY1-61 POWER SWITCH: Switches the AC power to the PS-704 on and off. When in the on position, the LED indicator to the l

PS-704 FOUR-CHANNEL POWER SUPPLY1-7FRONT PANEL INDICATORS2 OVERLOAD INDICATORS: If a short-circuit condition appears on any of the four intercom lines

PS-704 FOUR-CHANNEL POWER SUPPLY1-8Caution: Pin #1 and the shell of the XLR plug on the interconnect cables should NOT be connected together.CHECK INT

PS-704 FOUR-CHANNEL POWER SUPPLY2-1INSTALLATIONQUICK START1. Unpack the unit and inspect for any damage that may have occurred during shipping.2. Conn

PS-704 FOUR-CHANNEL POWER SUPPLY2-2LINE TERMINATION (REAR PANEL)Switching of the channels’ terminations on and off are done with the rear-panel toggle

PS-704 FOUR-CHANNEL POWER SUPPLY2-3WIRINGWhen considering how to wire an intercom system, several factors must be taken into account. These include th

PS-704 FOUR-CHANNEL POWER SUPPLY2-42. Hub or Star: Each remote station is wired directly back to the power supply or to a split line wired directly to

PS-704 FOUR-CHANNEL POWER SUPPLY2-5MULTI-CHANNEL SYSTEMIn a multi-channel system where each channel is run on its own cable and connected only to sing

PS-704 Four-Channel Power Supply Instruction ManualPart Number 810494Z Rev. 3Legal DisclaimersCopyright © 2013 HME Clear-Com Ltd.All rights reserved.C

PS-704 FOUR-CHANNEL POWER SUPPLY2-6CROSSTALK CONSIDERATIONSWhen multiple channels are fed to remote stations, the amount of crosstalk between channels

PS-704 FOUR-CHANNEL POWER SUPPLY2-7cables or headset “Y” cables, as they will increase crosstalk into a multi-channel system.INTERCOM CABLE CONSIDERAT

PS-704 FOUR-CHANNEL POWER SUPPLY2-81815A 4 22 (7x30) 0.05 0.03 0.384 31 3.9Ω/ΜTradeNo.No. of PairsAWG & StrandingInsulation Thickness(inch)Jacket

PS-704 FOUR-CHANNEL POWER SUPPLY3-1MAINTENANCEINTRODUCTIONThis chapter provides maintenance information including a block diagram and troubleshooting

PS-704 FOUR-CHANNEL POWER SUPPLY3-2TROUBLESHOOTING TIPSSYMPTOM CAUSE SOLUTIONSystem does not operate. No power to the PS-704. Green power LED is not i

PS-704 FOUR-CHANNEL POWER SUPPLY3-3Table 3-1: Troubleshooting TipsChannel unterminated. Set the PS-704 termination switch for that channel to the on p

PS-704 FOUR-CHANNEL POWER SUPPLY3-4

PS-702 TWO-CHANNEL POWER SUPPLY4-1TECHNICAL SPECIFICATIONSPS-704 FOUR-CHANNEL POWER SUPPLYdBu is an absolute measurement. 0 dBu is referenced to 0.77

PS-704 TWO-CHANNEL POWER SUPPLY4-2Rear Panel ConnectorsIntercom: (8) XLR-3M (2 per channel)Program: (1) XLR-3FAC Power: IEC 320 connectorRear Pa

PS-704 Four-Channel Power Supply5-1GLOSSARYSome of the terms used when discussing critical communications for television or theatre may be new to you

PS-704 FOUR-CHANNEL POWERiCONTENTSOPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Introduction . . . . . . . . . .

PS-704 Four-Channel Power Supply5-2voices and instruments on stage. IFB (program interrupt) disconnects the audio source while the talk button on the

WARRANTY iLIMITED WARRANTYClear-Com warrants that at the time of purchase, the equipment supplied complies with any specifica

WARRANTYii period will be offered at no charge between 09:00 and 17:00 according to the customer’s local time zone.In addition, for cus

WARRANTY iiiClear-Com has the right to inspect the equipment and/or installation or relevant packaging. NON-WARRANTY REPAIRS

WARRANTYiv LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR THE LIMITATION ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMI

PS-704 FOUR-CHANNEL POWER SUPPLYiiLIMITED WARRANTY. . . . . . . . . . . . . . . . . . . . . . . . . . 6-IWarranty Period . . . . . . . . . . . . . .

PS-704 FOUR-CHANNEL POWER SUPPLY iiiIMPORTANT SAFETY INSTRUCTIONS1. Read these instructions.2. Keep these instructions.3. Heed all warnings.4. Follow

PS-704 FOUR-CHANNEL POWER SUPPLYivFigure 1: Safety SymbolsEMC AND SAFETYThe PS-704 power supply meets all relevant CE, FCC, UL, and CSA specifications

PS-704 FOUR-CHANNEL POWER SUPPLY1-1OPERATIONINTRODUCTIONCongratulations on choosing this Clear-Com product. Clear-Com was established in 1968 and rema

PS-704 FOUR-CHANNEL POWER SUPPLY1-2throughout the intercom network, and is usually located in the main station or power supply.Clear-Com main stations

PS-704 FOUR-CHANNEL POWER SUPPLY1-3• AUTOMATIC POWER RESTORE: The PS-704’s internal power supply senses the difference between short-term and long-ter