P006772 Rev. B - Guardian Telecom Inc.
Contents
1. FRONT VIEW E E G u arc j i m e cam Telecom Inc O 6 RF TEST 20 7 R 3 9 SY mIm wus Gy Cy mn PAN RFD VU Ax 2 G RADIO FREQUENCY 5 Figure 1 Dimensions oo PN ecco D 6066 EE 7 POTENTIOMETER R435 POTENTIOMETER R10 CNO m m m m R11 R O C8 R34 RF PWR THRESHOLD R45 COS THRESHOLD Figure 2 RF Calibration Potentiometers amp Test Points Page 4 Guardian Telecom Inc Installation and Operation Model RFD VU Q anc ay sAO i 7 x D Guardar 7 A yok y Telecom Inc D Fst POWER ba l e jk EE MESE EAT ce RFD VU vi E E T RADIO FREQUENCY W 7 DETECTOR E 3 Figure 3 Front Plate Power on Pilot Light RF Test Button RF Failure Reset Button Test Mode Indicator Light RF Failure Indicator Light DOO Onn A N D e POWER y N N a AS Es AA Ox S 8 ANT TX SET a les E z Hes FUSE 1 2A 4 D CTN CTN CC CC TST TST 7 LED LED TX TX i de 220 VAC a E ENE D NG Ae Figure 4 Back Plate Control Signal COS from Transceiver Control Console LED Indicator Test Transmit PTT to Transceiver RF Output to Antenna RF Input fro2. 210 A Aree ease este enn Ka ore a ane Aen aR es See 10 Guardian Product Return cccccooccnnccccccnnononnnnnononononononcnnnonannnnnonancnnnnns 11 Figure Ts DIMENSIONS id id a kaa 4 Figure 2 RF Calibration Potentiometers amp Test Points 4 IQUE o AFON Pilale rr dida 5 Figure 4 Back Plate usina 5 Figure 5 Periodic Test Switch Settings ccccoconnccccnconccnnononcnnnnnnnnnns 7 Package Contents 1 RFD VU Radio Frequency Detector 1 Installation amp Operation Manual Page 2 Guardian Telecom Inc Installation and Operation Model RFD VU Overview RFD VU Radio Frequency Detector The RFD VU Radio Frequency Detector monitors radio frequency output from a VHF or UHF transceiver and provides front panel amp remote LED indication of RF carrier frequency failure A timed RF test option is provided to automate the procedure to save from scheduled manual testing of RF transceiver unit Features e 16 gauge steel enclosure zinc dichromate plated and powder coated e 10 gauge steel faceplate zinc dichromate plated and powder coated e Compact 19 rack mount two rack units 2U e Programmable auto test interval e VHF UHF frequency compatible e Front mounted controls and status indicator LEDs Page 3 Guardian Telecom Inc Installation and Operation Model RFD VU TOP VIEW
3. carrier present The RFD VU does not test for any modulated signal waveforms only for a VHF UHF carrier frequency Automatic Periodic Test The settings of the Test Cycle Switches on the printed circuit board will define the periodic test cycle of the RF transceiver Switch Positions eo Figure 5 Periodic Test Switch Settings When the test time approaches as per the programmed test time interval the RFD VU will perform a test on the RF transceiver with the exact same procedure as manually activated test The RFD VU will first monitor COS amp PTT signals accordingly and temporarily abort the test if signals are present continue to monitor for non activity and commence the auto test when no COS PTT signals are present If the RF transceiver is in receiving mode for longer than programmed RX TX time monitor values the RFD VU will turn on the RF Fail LED Page 7 Guardian Telecom Inc Installation and Operation Model RFD VU RF transceiver transmitting TX and receiving RX time monitor The RFD VU will constantly monitor the RF transceiver for transmitting and receiving time duration If the transmitting or receiving time is longer than the time settings in DIP switch 7 and switch 8 the RFD VU will turn on the RF Fail LED OFF position ON position COS Timer Value A mites o AK minutes OFF position ON position PTT Timer Value E JEN mias E BK minutes If the COS signal is present for longer then the timer values RF
4. transmission is possibly maintained too long as a result of a switch failure on a handheld radio unit The failure LED will then illuminate If the PTT signal is present for longer then the timer values RF transmission is possibly maintained too long as a result of a switch failure on the transceiver unit or a radical failure of the transceiver The failure LED will then illuminate as well Clearing RF transceiver failure Once the RF transceiver failure is registered the RF Fail LED will be cleared when the Clear Fail Switch is pressed Or another RF transceiver test is performed with the RF transceiver problem is fixed Field Repairs amp Adjustments Field repairs and adjustments may only be carried out by qualified technicians See Figure 4 Back Plate This device has no user serviceable internal components The only adjustments are calibration potentiometer settings on the main PCB The only maintenance possible is the replacement of the fuse which is available from the back panel Fuse Replacement e Remove the old fuse by pushing in the end cap of the fuse holder and turning counterclockwise to open Insert a new 0 5 amp 250Volt 3AG fast blow fuse and close the fuse holder WARNING e Replace only with a 0 5 amp 250V 3AG fast blow fuse Failure to do so will void the warranty Page 8 Guardian Telecom Inc Installation and Operation Model RFD VU Engineering Specifications Electrical Front P
5. Guardian Telecom Inc Industrial Communications Worldwide Radio Frequency Detector Model RFD VU Installation amp Operation a Y y Pa gt So ca 4 a fo Ez 2 A ee ee ra EGE x AZ y LA fe Ls A Lo DA A e ERRE HS A Z PRA S N Ga Ce A a E WA f chs NG U al Hd a gt gt T WH elana uU U gt A A elecom Inc A JA Sa es VA LY AN WA ce SD it a CE gt fy EN Vie y 4 AN Los E E A a N AS AN WA AS E REDY Vy KN A a sa RFD yy N Y j J S PA RADIO FREQUENCY pp adil y A m A LL Js A4 Lf EN E P006772 Rev B 070607 7 28 2014 11 53 AM 7552 10th Street N E Calgary Alberta Canada T2E 8W1 Ph 403 258 3100 1 email info guardiantelecom com www guardiantelecom com Guardian Telecom Inc Installation and Operation Model RFD VU Table of Contents Package ONTEN Saran aa a Na a aa BA Ei GANG ANANA eal ees a ah a Na Ga ibe KA KAN 2 KING ENE A aba aaa RS oo aa Ba ag aa aa en nace eee a aa eee 3 o oo NG a a aa Aa a BK a Ga Ega an gk aunt 3 Stalling TAS WW aii 6 Gli Dall OW EN KA ANA NANA E E Ka a NE AN LA NE na 6 Manual OSU sasana a ostia ici ada ga ak ka a naa a anaa 6 Automate Penodi TeS ajaa ian tere arte ei ta cota 7 Field Repairs SAGIUSIMONIS visa nad 8 Engineering Specifications s sissi inneni aaia 9 Walla Aa AA BA KN D Na KI i 10 DI SEJA TNG aaa aa a agan ang aa naa a a aga anaha aana Baik dlls 10 Waldsee 10 Sence NUDE 10 By
6. Guardian follows the three step procedure below Step On Site Correction The most common source of difficulties with a new product is improper installation in one of two ways incorrect wiring connections or connection to an incorrect power source Product wiring needs to be properly connected to the on site wiring Correct wiring instructions are shown in the user manual included with the product Connecting a to a standard power source rather than tip amp ring will blow the s internal user replaceable fuse In the event of fuse burn out disconnect the from the power source replace the fuse and reconnect following the wiring diagrams provided with the product step Il Return Materials Authorization RMA When a product has been installed following user manual instructions and the unit fails to operate the user must contact Guardian Telecom to obtain authorization to return the product This can be done by completing a RMA form online at www guardiantelecom com or by calling the service number given in this manual After providing information on the product the owner and the nature of the problem Guardian will issue a RMA number to be shown on documentation returned with the product In addition to the RMA number shipping documents should include name address and number of the owner along with contact information for the person responsible for the repair and or the user who identified the malfunction Where a pro
7. anel Displays and Control Switches Page 9 Guardian Telecom Inc Installation and Operation Model RFD VU Warranty Guardian Telecom warrants your product to be free of defects in material and workmanship for a period of one year Guardian Telecom will repair or replace any defective unit that is under warranty free of charge This warranty is null and void if any non authorized modifications have been made to this product or if it has been subjected to misuse neglect or accident This warranty covers bench repairs only such repairs must be made at Guardian Telecom or an authorized service depot Guardian Telecom is not responsible for costs incurred for on site service calls freight or brokerage A return authorization must be obtained prior to warranty claims or repairs Disclaimer The products covered by this manual are designed for use in Industrial Environments and or Hazardous Locations Due to the range of possible applications for these instruments the manufacturer will not be responsible for damages or losses of any kind suffered as a result of the use of this product including consequential damages Warning This device has no user serviceable internal components The only adjustment is a calibration potentiometer setting on the main PCB The only maintenance possible is the replacement of the fuse which is available from the back panel Service Number 1 800 363 8010 Guardian Telecom provides a customer service numb
8. duct is being returned for repair from outside of Canada customs documentation must show the product s serial number date of export date of purchase and a notation that the equipment is Canadian goods returning step Ill Factory Authorized Service Once received each product is carefully inspected and tested If the product is under warranty repairs are completed and the product returned to the owner generally within five working days of receipt by the factory A product that has been subjected to misuse neglect or accident or is beyond the warranty period will be evaluated The service department will provide the owner s representative with a repair cost estimate Once approved repairs are completed and the product returned generally within five working days Page 11 iso 9001 Guardian Telecom Inc 7552 10th Street N E Calgary Alberta Canada T2E 8W1 Toll free 1 800 363 8010 Ph 403 258 3100 Fax 403 253 4967 www guardiantelecom com E mail mailto sales guardiantelecom com Click to open message box Industrial Communications Worldwide Guardian Telecom Inc 2007
9. er which is toll free within North America If you need assistance when installing or operating this product please call the toll free number between regular business hours 8 00AM 5 00PM Mountain Standard Time If you are calling outside of regular business hours please leave a detailed message and a member of Guardian Telecom s Service Department will return your call as soon as possible If your product requires service Guardian personnel will supply you with an RMA return materials authorization number over the telephone or through our web site product return page This number must be included with your return address and the name of the person to contact Guardian Telecom Inc 7552 10th Street N E Calgary Alberta Canada T2E 8W1 Toll free 1 800 363 8010 Ph 403 258 3100 Fax 403 253 4967 www guardiantelecom com Feedback Guardian Telecom continually strives to make reliable durable and easy to use products If you as an installer or user of our equipment have any suggestions for improvements to this or any of our products or documents including this manual we would appreciate hearing from you Page 10 Guardian Telecom Inc Installation and Operation Model RFD VU Guardian Product Return Guardian products have been quality tested and are in full working order when shipped from the factory given the rugged nature of these products shipping is not expected to damage a unit In the unlikely event of a malfunction
10. m Transceiver Fuse Holder 0 5 Amp On Off Power Switch AC Power Cord Socket Page 5 Guardian Telecom Inc Installation and Operation Model RFD VU Installing the RFD VU Tip If the product is Inspect the product for shipping damage damaged notify the Follow all appropriate electrical codes and use only approved electrical carrier immediately fittings for the installation Install the unit into the rack Tip Two rack units are Ensure that none of the electrical circuits are live Gg Terminate all respective wiring and antenna cables ie Figure 4 Back ale Turn on power Check power pilot light for turn on status Calibration The RFD VU is calibrated at the factory If operation indicates that re calibration is necessary adjust as follows Disconnect the wiring from the back of the RFD VU and remove it from the rack Set the unit on a workbench remove the top cover and connect the power cord Power up the RFD VU and adjust potentiometer R43 until voltage between See Figure 2 RF pin 3 to pin 4 of U3 reads 2 0 VDC Adjust potentiometer R11 until voltage Calibration between pin 2 to pin 4 of U1 reads 20mVDC Potentiometers amp Test Points Install the unit back into the rack reconnect wiring and test Manual Test When the Manual Test switch is pressed on the unit front panel the RFD VU will monitor the Carrier Operated Squelch COS input from the RF transceiver base for a recei
11. ve signal If the RF transceiver is receiving a signal the RFD VU will abort the test and flash the test LED three times as well as the LED on a Control Console if equipped This indicates a live RF transmission was occurring from remote hand held units at that moment and the test cycle was halted If the RF transceiver is not in receive mode no remote RF transmission is occurring at the time the RFD VU will then monitor the PTT signal from the RF transceiver to see if it is in transmit mode i e the transceiver is in use and making a transmission at that moment If the PTT signal is present the RFD VU will abort the test and flash the test LED three times If the COS and PTT signals from the transceiver are not present the RFD VU will initialize an RF transmission from the transceiver by activating the Push To Talk PTT input to the RF transceiver and force it to transmit a non modulated carrier signal The RFD VU will then read the RF meter for transmit power If the power is lower than the threshold level the RFD VU will turn on the RF Fail LED on the front panel as well as the LED ona Control Console if equipped Page 6 Guardian Telecom Inc Installation and Operation Model RFD VU e A manual RF test can be conducted at any time The failure success of the test will be indicated by the LED flashing 3 times for RF activity present and test aborted LED illuminated solid RF failure of no illumination test passed and RF
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