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120 20170-204a

Paragon

PD

Technical Manual

41

Figure 20 - T881 Exciter tuning controls location

#L300

C6

L1

IC1

1 2 3 4 5 6 7 8

BACK

FRONT

TCXO

IC202

#L300

Temp

control

Hi-Temp

adjust

Power
Adjust

RV356

Tail

Timer

Tx Timer

Micro-phone

connector

Ref

Mod

RV105

CHANNEL

SELECTION

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Summary of Contents for Paragon

Page 1: ...ual Version 2 04a Preliminary for internal use only The entire contents of this manual and the Radio Installation Software described in this manual are copyright 2002 by DATARADIO Inc Copyright DATARA...

Page 2: ...OUT NORMAL OPERATION 9 3 OPERATING DESCRIPTION 9 3 1 RADIO ASSEMBLY 9 3 1 1 Front panels 9 3 1 1 1 Receiver module 9 3 1 1 2 Exciter module 10 3 1 1 3 Power Amp module 10 3 1 1 4 Speaker panel 10 3 1...

Page 3: ...KS 25 6 RADIO PROGRAMMING AND ADJUSTMENTS 30 6 1 SERIES I 800MHZ RADIO PROGRAMMING 30 6 1 1 Recommended Items 30 6 1 2 Introduction 30 6 1 3 File Creation 31 6 1 4 Programming the EPROM 32 6 1 5 EPROM...

Page 4: ...tions 54 6 4 5 2 Forward Power Alarm Level 54 6 4 5 3 Amplifier Activation 54 6 4 5 4 RF Input Relative Reading 54 6 4 5 5 Forward Power meter calibration 54 6 4 5 6 Reverse Power meter calibration 55...

Page 5: ...TER TUNING CONTROLS LOCATIONS 57 FIGURE 33 T855 RECEIVER TUNING CONTROLS LOCATION 58 FIGURE 34 T857 EXCITER TUNING CONTROLS LOCATIONS 59 FIGURE 35 T835 RECEIVER TUNING CONTROLS LOCATION 60 FIGURE 36 T...

Page 6: ...used Section 6 Revised Series II Radio Tuning Procedure and addition of tuning location on figures and two new figures added Section 7 Specifications Table 3 Test transmissions Table 8 Carrier Deviat...

Page 7: ...wo models Table 11 Checklist B Paragon PD steps 6 7 and 10 revised Figure 20 Channel Selection via internal DIP switches clari fies the use of switch 8 Section 6 2 3 5 and 6 4 3 5 Exciter Power Output...

Page 8: ...terface signals Modems are always wired as DCE DTE Data Terminal Equipment This designation defines the direction input or out put of the various RS 232 interface signals Most user equipment as well a...

Page 9: ...o not include the optional wire line modem s Duplexer and backup power units are custom furnished items The laptop PC and its application software are user supplied items 1 2 1 Features Dual receivers...

Page 10: ...This product is usually not field serviceable except by the replacement of individual radio modules Specialized equipment and training is required to repair logic modem boards and ra dio modules Cont...

Page 11: ...signates the transmitter power 005 4 watt transmitter 070 70 watt transmitter 850 870 MHz only 100 100 watt transmitter The next digit designates the Power Source 0 Power supply deleted on order 2 hea...

Page 12: ...ment during shipment file a claim with the carrier immedi ately 2 Installation 2 1 Overview The cabinet and rack mount housing the Para gonPD s radio assembly and the BDLCPD is gen erally installed in...

Page 13: ...ar rier On Line Sensitiv ity Supply Microphone Pow er Amp l ifier Lo w Forw ard P ower Supply High Rev er s e Power Pow er Sensitiv ity Monitor Volume Off O n Monitor Mute Receiver Gating Gate Line Le...

Page 14: ...ible de 250V Use onlywith a 250 V fuse DEV 3 RS 232 DEV 5 RS 232 DEV 2 RS 232 DEV 4 RS 232 DEV 1 RS 232 DEV 6 DIG I O EXT RADIO TE ST T808 10 00CA T807 10 00CA REAR VIEW Air Flow GND DC INPUT 1 FUSE 1...

Page 15: ...tened to the equipment A For each of the power supply modules 1 Fit one end of the grounding lead s push on connector onto the grounding tab B For the Radio Assembly chassis 1 Install the grounding le...

Page 16: ...pacing consult System Engineering 2 4 2 Cabling and Connection 1 Route good quality 50 ohm double shielded coaxial cable s e g RG 214 or Heliax from the selected antenna position s to the ParagonPD Ra...

Page 17: ...dentical for Series I 800 MHz model now superseded by Series II and Series II VHF UHF and 800MHz models 2 Receivers Exciter Power Amplifier Speaker panel Dual Power Supply 3 1 1 1 Receiver module The...

Page 18: ...indicators are Figure 8 Power Amp module front panel Supply LED is lit when DC power is ap plied Low Forward Power LED is lit when for ward power is below the level set normally 80 of nominal forward...

Page 19: ...DC is not distributed to radio modules To remove presence of voltage disconnect both power cords Two OL LEDs Monitor current over load light steady red when supply exceeds current limit set nominally...

Page 20: ...The RS 232 group of 5 LEDs A single CK LED The ALARMS group of 4 LEDs B The right cutout groups two tactile mem brane switches PF1 and RESET 3 2 1 1 Front Switches Referring to Figure 11 the BDLCPD u...

Page 21: ...ress stops the test At the end of test transmission BDLCPD opera tion returns to normal and the RX LED lights in green monitoring normal transmitter activity Table 3 Test Transmissions DGFSK ParagonPD...

Page 22: ...RS 232 LED function is se lected stop pressing PF1 allow the two seconds timer to run down The BDLCPD returns to nor mal operation using the newly selected display 3 2 1 2 LEDs and Indications LEDs a...

Page 23: ...g Blinking slowly 1 cps indicates the parameters contents of the flash memory have been corrupted The unit automati cally loads its set of factory default pa rameters and starts beeping at 20 sec onds...

Page 24: ...r cable DEV3 Dedicated 9600 DEV4 and DEV5 not used One DB 25F connector DEV1 Connects to user s application a DMP 19200 for single site installa tions b MSCP 19200 for multi site installa tions One DA...

Page 25: ...use either device 2 or set device 3 to 2400 bauds DB 25 FEM ALE PL1 BACKPLANE 1 RX 1 EXC ITER BDLC D212 18 TXA TXA from SK 3 pin 8 11 1 RX1 E EPROM from SK1 pin 1 EXTIO_OUT1 3 RXA 1 RX AUDIO 1 from S...

Page 26: ...3 xx please refer to the program s context sensitive help or type FI Only left mouse button operation is supported Any command or selection shown in gray is ei ther unavailable or is awaiting another...

Page 27: ...elp menu lists the Help Topics command and below a command separator About WinRIS command A Toolbar row located immediately below the menu bar containing buttons each bearing an icon for commonly used...

Page 28: ...e selection was Connected via a MSC The second drop down list box is not available The Logical Tower ID single line entry box is available Enter the relevant Logical ID The Logical ID is a unique numb...

Page 29: ...File Save As window with the ASCII file bp2 already selected Save the connected BDLCPD s operating characteris tics configuration setting to a file direc tory or drive of your choice The program will...

Page 30: ...de scription s customer name location etc 2 Press the button Put Comments to make the entry permanent This field may be left blank On subsequent Get Get As or Put From this field displays entered com...

Page 31: ...flected power levels by powering TX ON Reflected power should be 5 of forward power or as speci fied by System Eng See Table 9 for further details 4 5 5 4 2 Modulated Carrier Test transmission generat...

Page 32: ...Alpha Mapped Nibble AMN address consisting of upper case letters in the range A P The valid address range is A to GN The base address is usually 1 The program may display one of the following messages...

Page 33: ...ote Before proceeding make sure that the service monitor has been calibrated recently and has warmed up for at least the time specified by its manufacturer Some reported frequency and deviation prob l...

Page 34: ......

Page 35: ...customer request Service monitor set to read power or 150W in line watt meter installed as close as possible to the unit antenna con nector 1 Refer to Checklist B 4 Transmitter Reflected Power Press...

Page 36: ...ower Press TXON Unmod 5 of forward power or as specified by Syst Eng 10 W in line wattme ter Check for bad connections damaged coax cable etc 5 Carrier Frequency Error Press TX Unmod 300 Hz Service mo...

Page 37: ...ee Figure 28 Service monitor IFR set to SINAD IFR IF filter set to MID position or 30 kHz wide filter Refer to section 6 2 2 for Series I and to section 6 4 2 below for Series II 9 Receiver distortion...

Page 38: ...l EPROM Programmer software BP MicroSystems s Version 3 08 or later 27C64 EPROM 150 nanoseconds or faster 486 PC or better Ms Windows 3 1 or later Standard 25 pin parallel cable terminated Male Female...

Page 39: ...Information tab enter the unit s serial number in the relevant field In the User Remarks field you may enter user comments as required up to 16 characters Use as a notepad customer name location techn...

Page 40: ...nd gently insert it with a rocking motion in the EPROM Programmer socket until well seated Navigate the programmer s screen using the keyboard directional arrows The left and right keys move through t...

Page 41: ...EPROM will need to be cycled through an EPROM eraser 6 1 5 EPROM Installation Warning Always use a grounding strap and wear an anti static bracelet when working with sensitive cir cuitry or components...

Page 42: ...need the following test equipment Digital multimeter and probes e g Fluke 77 Digital or analog calibrated Oscilloscope X1 X2 selectable Calibrated COM 120B with 001ppm TCXO and 30kHz IF options 3 fee...

Page 43: ...he middle channel via the EPROM PCB DIP switch Adjust the VCO loop to 7V All channels should lie within the upper and lower limits of 10V and 3V respectively 6 2 2 3 Front End Alignment 1 IFR COM120B...

Page 44: ...above the main radio RX frequency record the SINAD reading It should remain within 1 5dB from the on frequency SINAD reading 4 Offset the IFR TX frequency 2KHz full channel or 1kHz half channel below...

Page 45: ...nnel Connect the multimeter to the long lead of L1 in the VCO this measures the synthesizer loop voltage Tune VCO trimmer C6 for a synthesizer loop voltage of 7VDC Multiple channels Adjust the VCO loo...

Page 46: ...Hz If not re adjust RV105 to average the square wave shape on both channels until the spec is met 7 To confirm the adjustment select the active or the lowest frequency channel Compare the de viation...

Page 47: ...wer output to its nominal value 70W or lower as required 5 Cable loss should be included in the reading 6 2 4 2 Forward Power Alarm Level 1 Power up the T889 and adjust RV63 Power so that the output p...

Page 48: ...l 40 Figure 19 T885 Receiver tuning control location RSSI Test point SK301 pin 2 Demod output PL103 CHANNEL SELECTION L312 L313 L314 L315 L316 L318 L319 L317 L321 L320 H1 H2 H3 C6 L1 IC1 12345678 FRON...

Page 49: ...anual 41 Figure 20 T881 Exciter tuning controls location L300 C6 L1 IC1 1 2 3 4 5 6 7 8 BACK FRONT TCXO IC202 L300 Temp control Hi Temp adjust Power Adjust RV356 Tail Timer Tx Timer Micro phone connec...

Page 50: ...On a drop down menu press only the hotkey without pressing the Alt key Use the Tab key to cycle available fields and the Enter key to validate entries E g Pressing Alt F opens the File drop down menu...

Page 51: ...120 20170 204a ParagonPD Technical Manual 43 Figure 21 Receiver System Information Figure 22 Receiver Channel Information screen...

Page 52: ...120 20170 204a ParagonPD Technical Manual 44 Figure 23 Exciter System Information screen Figure 24 Exciter Channel Information screen...

Page 53: ...ON or OFF make up a binary total which identifies the channel number To select a channel set the appropriate DIP switch or switches to OFF to make the binary count total the channel number you want S...

Page 54: ...ator 1x Torx screwdriver T 10 and T 20 Pozidriv screwdriver 1 2 1x Six inch adjustable wrench RF tuning trimming tools Extender Rail Kit for Series II chassis T800 13 0000 1x 6 coax cable N M to BNC M...

Page 55: ...lect the generator mode GEN button and set to the main receiver channel frequency c Select and turnon GEN2 d Set the FM Deviation to 3kHz full channel or 1 5kHz half channel using 1KHz sine e Select S...

Page 56: ...set the IFR TX frequency 2KHz full channel or 1kHz half channel below the main radio RX frequency record the SINAD reading It should remain within 1dB from the on frequency SINAD reading For T885 and...

Page 57: ...Coil L360 or on backplane SK1 pin 5 when measured with a voltmeter Figure 28 for test point location Vary the RF level and check the RSSI output voltage Figure 27 1 At 120 dBm 3 0 VDC 0 20 0 45VDC 2 A...

Page 58: ...309 T881 or the long lead of L1 in the VCO T857 and T835 this measures the synthesizer loop voltage 1 T881 800 900 MHz Tune VCO trimmer CV300 for a synthesizer loop voltage of 10V DC 2 T857 UHF Tune V...

Page 59: ...ou can also run both programs on the same computer if two serial COM ports are available 4 Press EPOTs button Adjust IC220 via PGM800Win reference modulation to obtain the best square wave no damping...

Page 60: ...For the TPL Communications Power Amplifier PA8 2BF LMS adjustment see the section 6 4 5 Re install the exciter module into the ParagonPD rack frame Connect the Exciter module to the Power Amplifier C...

Page 61: ...Adjust CV51 and CV57 for maximum output 9 Adjust CV34 and CV35 for maximum output 10 Recheck all settings The power output should exceed 110W 11 For sets with serial numbers following 217262 adjust R...

Page 62: ...ut power to drop the RF power amplifier output at 20 less than the customer required e g 40W if the PA normally operates at 50W c Adjust VR5 until the front panel LED begins to flash d Adjust RV502 Ex...

Page 63: ...Key the transmitter Exciter Carrier button Adjust VR7 so that the front panel meter is in agreement with the calibrated power meter IFR 6 4 5 7 Reverse Power Alarm Level a Connect an unterminated 3dB...

Page 64: ...120 20170 204a ParagonPD Technical Manual 56 Figure 31 T885 Receiver Tuning Controls Location...

Page 65: ...120 20170 204a ParagonPD Technical Manual 57 Figure 32 T881 Exciter Tuning Controls Locations...

Page 66: ...120 20170 204a ParagonPD Technical Manual 58 Figure 33 T855 Receiver Tuning Controls Location IC 310 SK330 pin 2...

Page 67: ...120 20170 204a ParagonPD Technical Manual 59 Figure 34 T857 Exciter Tuning Controls Locations TCXO...

Page 68: ...120 20170 204a ParagonPD Technical Manual 60 Figure 35 T835 Receiver Tuning Controls Location RV 320 L410 L420 L1 L460 L470 CV318 L340 RSSI Test Point P207 IC 700 CV1 L350 IC 350 L360 L330...

Page 69: ...120 20170 204a ParagonPD Technical Manual 61 Figure 36 T837 Exciter Tuning Controls Location L1 CV1 IC220 IC700 TCXO...

Page 70: ...lue initial Par85 value X target deviation deviation read 2 5 Change the value in the file Save as using the BDLCPD serial number file name 6 Run the WinRIS again and do a Put From From the opened win...

Page 71: ...C with standard Dual Power Supply assembly catalog number ending with a 2 RECEIVER Selectivity 25 kHz 12 5 kHz 95 dB 89 dB 90 dB 85 dB 85 dB 80 dB Sensitivity 12 dB SINAD 117 dBm Spurious Response 10...

Page 72: ...ts 737194358 N A FCC IC CERTIFICATIONS SRRC4FSK modulation FCC IC DOC 400 440 MHz 1 EOTBDD4T85 1 UHF 440 480 MHz EOTBDD4T85 2 3993195401A 480 520 MHz EOTBDD4T85 3 N A 800 MHz Series I 800 870 MHz EOTB...

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