High Performance Paging Transmitters LBB 5888 VHF 0.5 – 5 W
Contents
1. eB a B m Osa 10 ig oO CB REE HOOG 88 o n c 1 D oO u N Wono LN FUSE J2 J J3 J4 400 mA Test mode sync mode 3 4 wire 9 RF sync termination 3 x NORMAL LFSYNC 3 WIRE EE sea e N TEST NORMAL 4 WIRE 50 OHM Figure 6 Basic PCB layout 3 9922 141 50041 en April 2002 Page 12 of 22 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 7 5 3 Spare jumper o o for SI olo 86 4 2 SI 52 LF sync Divider enable Crystal TS8 Figure 7 VHF module PCB layout Warning Transistor TS8 25C1971 in the VHF transmitter LBB 5888 see Figure 7 contains beryllium oxide This product is entirely safe provided that the BeO disk inside the housing is not damaged All persons who handle use or dispose of this product should be aware of its nature and of the necessary safety precautions After use dispose of as chemical or special waste accordi2. No ONASST NAS NOXL Z3NI1 NO T Tek BO 93NNOO ns A A 4 i 0 LINN 5 YILLINSNY YL KLA Ne ne never pat z SEA0zz 304 O3AH3S3H 30 5 i 9x zs 82d 21579 Nue Page 8 of 22 Figure 1 Transmitter block diagram 9922 141 50041 en April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 3 WALL MOUNTING The transmitter is intended for wall mounting free space of at least 15 mm between the top of the transmitter cabinet and the ceiling is required to open the cabinet The distance to the nearest mains outlet should be less than 1 5 m For electrical insulation the mounting holes in the metal back plate have plastic insulators To open the housing unscrew the two screws torx no 8 at the connector panel of the housing and rotate the plastic cover upwards Mounting instructions i Drill four holes in the wall using the dimensions as given in Figure 2 n O Screw four 4 mm screws with a head diameter lt 8 mm into the wall use plugs when necessary Leave a space of 2 mm between the wall and the screw s heads The transmitter can now be hooked onto the four screws Note Do not tighten the screws To comply with safety regulations the transmitter must be easily OH M 135 mm removable without tools in case of emergency
3. Name Colour Description On housing PWR ON green On when the 12 Vdc power supply is present TX ON yellow On during transmission On basic PCB LF green On when an LF signal is present on the DP6000 input PWR green On when the RF output power is gt 60 of the pre set value VSWR ERROR red On when a bad VSWR is present on the RF output LFSYNCOK green On when an LF signal is detected on the LF sync input 8 JUMPERS Several options can be chosen by setting jumpers on the main PCB and the VHF UHF transmitter modules The jumpers on the basic PCB and the VHF module can be set by placing a pin header at the appropriate position On the UHF unit the jumpers are set by connecting two contacts on the PCB with a drop of solder Note Always disconnect the power supply before changing the jumper settings Table 4 Jumpers on basic PCB Figure 6 Table 5 Jumpers on VHF module Figure 7 No Function Position Value No Function Position Value J1 Output power 1 2 0 5 2 W S1 sync open disabled range 2 3 1 5W enable 1 2 enabled J2 Test mode 1 2 Test S2 LF sync 1 2 8192 Tx on 2 3 Normal divider 3 4 4096 j3 3 4 wire 1 2 4 wite 5 6 2048 mode 2 9 3 wire 7 8 not used J4 RF sync 1 2 50 Ohm termination 2 3 High Table 6 Jumpers on UHF module Figure 8 J5 RF sync level 1 1 0 dBm N F gt 2 2 10 dBm o unction Value when closed 3 3
4. VHF UHF TRANSMITTERS 10 2 Settings for LF synchronisation To match the RF transmission frequency and the LF synchronisation frequency a divider value must be set See Table 8 transmitter or Table 9 UHF transmitters Table 8 LF synchronisation settings for VHF transmitter Transmission Divider Jumper LF sync frequency value settings frequency 25 50 MHz 3 x 8192 2 1 2 1 0 2 0 kHz 25 50 MHz 3 x 4096 2 3 4 2 0 4 1 kHz 25 50 MHz 3 x 2048 S2 5 6 4 1 8 1 kHz Table 9 LF synchronisation settings for UHF transmitter Transmission Divider Jumper LF sync frequency value settings frequency 409 470 MHz 18 x 16384 J3 closed 1 4 1 6 kHz 409 470 MHz 18 x 4096 J2 closed 5 6 6 4 kHz 409 470 MHz 18 x 1024 Ji closed 22 25 kHz n practice this value can not be used because of the low pass filter on the basic PCB Follow the procedure as described below to prepare the transmitters for LF synchronisation See Figure 6 Figure 7 and Figure 8 for the location of the jumpers VHF transmitter 1 Set jumper J6 on the basic PCB in the SYNC position 2 Close jumper S1 on the VHF module 3 Set jumper 52 on the VHF module in the position for the required divider value see Table 8 UHF transmitters 1 Set jumper J6 on the basic PCB in the SYNC position 2 Close jumper J4 on the UHF module 3 Close one of the jumpers J1 J2 or J3 on the U
5. 4 kHz 50 mW LF The actual frequency of a transmitter depends on the crystal unit that is used in the transmitter s RF section The transmitters are housed in a metal cabinet with a plastic cover The housing is intended for wall mounting and is applicable for indoor use only Do not use the transmitters in an environment where explosion protection is required The housing contains a basic PCB with the LF circuitry and a VHF or UHF transmitter module with the RF circuitry The transmitters are supplied from the mains via an external switched mode mains power adapter The transmitters also provide a 12 Vdc 400 mA power supply outlet for a central receiver a master synchronisation unit or a modem connected to the same DP6000 bus If one transmitter cannot cover the required transmission area subsequent transmitters can be installed in the same system All transmitters installed in the system can then be synchronised from a master synchronisation unit via a low frequency LF signal on the DP6000 bus Alternatively the VHF transmitters LBB 5888 can also be synchronised by connecting the antenna output of a master transmitter to the RF sync inputs of the slave transmitters The transmitters are prepared for use with a CSI certified third party Transmitter Surveillance Unit TSU Warning When using a TSU the transmitter TSU combination must comply with tbe R amp TTE directive 1999 5 9922 141 5004
6. SYSTEM VHF UHF TRANSMITTERS Table 2 DP6000 bus pinning Pin Description old DP6000 bus equivalent 1 2 LF input signal DP6000 code speech line 1 2 Switching input for line level 3 wire operation 3 Switching input for line level 4 wire operation line 3 4 System earth line 4 5 12 Vdc output 400 mA line 8 6 Reserved for Transmitter Surveillance Unit 7 8 LF synchronisation signal input Line 9 10 5 3 synchronisation input The RF synchronisation signal is connected to a 50 Ohm female BNC connector see Figure 3 Although this connector is present on all transmitter types RF synchronisation can only be used with the LBB 5888 VHF transmitter 5 4 RF antenna output The RF antenna output is provided through a 50 Ohm female N type connector see Figure 3 Warning It is advised to use an earthed lightning protector between the RF output and the antenna In some countries this is a legal requirement 9922 141 50041 en April 2002 Page 11 of 22 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 6 PCB LAYOUTS LF G 5 PWR G 1 5W B VSWR ERROR R 0 5 2W LF SYNC OK G D e R47 RSI Power VSWR R4 J indication indication R43 Output power Output power LED S level level Deviation RF sync level
7. dBm 50 Ohm 20 dBm high 25 30 dBm High 30 dBm high Use the internal termination only when a below 20 dBm Use an appropriate externa be set to High slave transmitter is at the end of the transmission line and the input level is 50 Ohm termination for higher input levels For all other transmitters J4 must 9922 141 50041 en April 2002 Page 20 of 22 A publication of PHILIPS COMMUNICATION SECURITY amp IMAGING BREDA THE NETHERLANDS Order No 9922 141 50041 en Date April 2002 Great care has been taken to ensure that the information in this handbook is accurate and complete Should any errors or omissions be discovered or should any users wish to make suggestions for improving this handbook they are invited to send the relevant details to Philips Communication Security amp Imaging LoB Communication Product Management Paging Personal Security amp DECT6000 P O Box 90106 4800 RA Breda The Netherlands 2002 Philips Electronics N V All rights reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner Philips is a registered trademark of Philips Electronics N V Data subject to change without notice
8. k rm 4 225 mm Figure 2 Wall mounting dimensions 4 POWER SUPPLY 4 1 Power supply from the mains The transmitter connects to the mains supply via the supplied external switched mode mains power adapter The adapter can deliver a regulated voltage of 12 Vdc 2 5 A max The adapter can be used for a mains voltage of 100 240 Vac 47 63 Hz The length of the output lead is 2 m See Figure 4 for connection details The supplied mains power adapter has a 2 pin Euro mains input plug For use in the United Kingdom a UK specific mains input plug part number 1717618 can be ordered directly from the nearest Friwo dealer See paragraph 1 8 for contact addresses The transmitter has no back up battery When required an Uninterruptable Power Supply UPS can be used Warning Only the original mains power adapter supplied by Philips CSI should be used 4 2 12 Vdc power supply output The transmitter can provide a 12 Vdc power supply on lines 4 GND and 5 12 Vdc of the DP6000 bus This output is normally disabled It can be enabled by inserting the supplied 400 mA fuse on the basic PCB see Figure 6 Warning When using the 12 Vde output make sure that no other 12 V supply other transmitters or a central power supply is connected in parallel to the same DP6000 bus When necessary disable the 12 Vde output from the transmitter s by removing the 400 mA fuse 9922 141 50041 en Page
9. specific mains input plug see the Friwo internet site http www friwo de 9922 141 50041 en Page 5 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 1 10 Contents of the packing Installation Instructions Transmitter Mains power adapter DP6000 connection cable 400 mA fuse 1 11 Abbreviations AGC FM LF PCB RF TSU Tx UHF VHF VSWR Automatic Gain Control Frequency Modulation Low Frequency Printed Circuit Board Radio Frequency Transmitter Surveillance Unit Transmitter Ultra High Frequency Very High Frequency Voltage Standing Wave Ratio 9922 141 50041 en April 2002 Page 6 of 22 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 2 PRODUCT OVERVIEW The paging transmitters LBB 5888 LBB 5868 and LBB 6019 are intended for use in a Philips DP6000 Digital Paging System operating in the VHF or UHF band The transmitters provide an adjustable output power into a 50 Ohm load The modulation type is FM Table 1 gives an overview of the main characteristics of each transmitter type Figure 1 gives a block diagram of the transmitters Table 1 Transmitter s main characteristics Product type Band Frequency range Deviation Output power Synchronisation LBB 5888 VHE 25 50 MHz 2 kHz 0 5 5 W adjustable LF or RF LBB 5868 UHF 409 470 MHz 4 kHz 0 5 5 W adjustable LF LBB 6019 UHF 409 470 MHz
10. 0 4 Settings for RF synchronisation Follow the procedure as described below to prepare the VHF transmitters for RF synchronisation See Figure 6 for the location of the jumpers Master transmitter 1 The RF sync input level for each slave transmitter must be at least 0 dBm Depending on the losses in the connections to the slave transmitters the RF output level of the master transmitter must be set to low or high power jumper J1 on the basic PCB Warning The power level at the RF sync input of any slave transmitter must be limited to 30 dBm 1W maximum to prevent overheating of internal resistors Slave transmitters 2 Remove the channel crystal from the VHF module see Figure 7 3 Choose the attenuation level for the RF input signal by setting J5 on the basic PCB in the correct position as indicated in Table 10 The RF input level depends on the master transmitter s output level and the cable losses between master and slave transmitter 4 Choose the internal termination by setting J4 on the basic PCB in the correct position see Table 10 9922 141 50041 en Page 19 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS Table 10 RF synchronisation settings for a slave VHF transmitter RF sync input Position J4 Position J5 RF sync input level termination attenuation impedance 0 5 dBm High 0 dBm 50 Ohm 5 15 dBm 50 Ohm 10 dBm high 15 25
11. 1 en Page 7 of 22 April 2002 VHF UHF TRANSMITTERS DP6000 DIGITAL PAGING SYSTEM INSTALLATION INSTRUCTIONS 85 310GON YALLINSNVYL 59 135 fee HOLO3NNOO N 1no dH 70 A 8X i Ae HOIIMS OX919A sa xd x L NGXL T x M T A6 AS d 31nGON YSALLINSNVYL dHA are aN RR SINSNO WOD NOILYSINOSHINAS UU T i T es WHO 95 NOUWiNALLY BO103NNOO ON8 INOLLVNIINHLL E m Oey 3HA NI ONAS 3 X00719 N3WMOJSNVHL f TEE f OL INIS INAS i amsa D ee t 40193NNOO N ud i v SAM _ EE OPLOSNNOO uvna0 ino T yon oP HOH YaWHOSSNVEL INAS 33 amsa lt lt lt Zex L 95v INT aN 8X T E 9 0009902 S di aus T Wasi 4 i 85 9 sU SNA 0009dd OL 2 g sat sume 9 d gt QNO 9x T UND D 18 ACEN las mu E zx 6 8 1 9 S89 vez PB B eA gd Alddns 3041911934 Eo 9 s Solus touto
12. 20 dBm J4 sync enable enabled 4 4 30 dBm J1 LF sync 1024 J6 Sync mode 1 2 Normal J2 divider 4096 2 3 LF sync J poses Factory settings UHF module all open To access the jumpers on the VHF module only the top cover of the module has to be removed The jumpers are located at the component side of the PCB See Figure 7 On the UHF module the jumpers are located on both sides of the PCB The UHF module can be removed from the transmitter housing by removing the three screws torx 8 that connect the module s cooling plate to the back plate of the housing AN Note Make sure that after setting the jumpers on the VHF or UHF module the metal covers are replaced correctly to assure good Gt shielding of RF frequencies 9922 141 50041 en Page 15 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 9 ADJUSTMENTS 9 Factory settings When the transmitter 15 delivered from the factory the frequency has been set to customer specification The frequency deviation and the output power are set according to Table 7 Table 7 Transmitter factory settings Type Deviation Power LBB 5888 VHF 2 kHz 5W LBB 5868 UHF 4 kHz 5W LBB 6019 UHF 4 kHz 50 mW Note The default frequency deviation settings are based on a channel spacing of 10 RH for the VHF band or 20 RH for the band The frequency deviation is set to 20
13. 9 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 5 EXTERNAL CONNECTIONS The transmitter s external connections and two indicator LED s are positioned on the connector panel of the transmitter cabinet see Figure 3 O 00 0 POWERIN POWERON TX ON DP 6000 BUS RF SYNC VHF ONLY RF POWER OUT EIE amg Figure 3 Connector panel view with external connections 1 Power input 3 Transmitter On LED 5 RF sync input 7 RF antenna output 2 Power On LED 4 DP6000 bus input 6 identification label 5 Power input The input for the mains power adapter is a Molex 4 pin mini fit female header see Figure 4 GND not used not used 12 Vdc PWN Figure 4 Power supply input front view 5 2 DP6000 bus The input for the DP6000 bus is an 8 pin RJ45 modular jack see Figure 5 A DP6000 connection cable is supplied with each transmitter The pin configuration of the DP6000 bus connector is as shown in Table 2 To connect the transmitter to a DP6000 bus using the old 16 pin Hirschmann connector a transition cable can be used L4 P Figure 5 DP6000 input front view and plug 9922 141 50041 en Page 10 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING
14. BB 5868 UHF 0 5 5W et LBB 6019 UHF 50 mW satisfont aux exigences essentielles de la directive R amp TTE 1999 5 La D claration de conformit officielle Declaration of Conformity se trouve sur l extranet de Philips CSI Tous les services commerciaux nationaux Philips ainsi que tous les revendeurs agr s ont acc s l extranet de Philips CSI Le cas ch ant contactez un de ceux ci El Philips Communication Security amp Imaging erkl rt dass die Senderbausteine LBB 5888 VHF 0 5 5W LBB 5868 UHF 0 5 5W und LBB 6019 UHF 50 mW den Anforderungen der R amp TTE Direktive 1999 5 EC entsprechen Die offizielle Konformitatserklarung Declaration of Conformity ist ber das Philips CSI Extranet einsehbar Alle nationalen Vertriebsorganisationen von Philips und die autorisierten Handler haben Zugang zum Philips CSI Extranet Bei Bedarf kontaktieren Sie bitte eine dieser Einrichtungen 9922 141 50041 en Page 4 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS ED Philips Communication Security amp Imaging verklaart hierbij dat de zenders LBB 5888 VHF 0 5 5W LBB 5868 UHF 0 5 5W en LBB 6019 UHF 50 mW voldoen aan de essenti le eisen van de R amp TTE richtlijn 1999 5 EU De offici le conformiteitsverklaring Declaration of Conformity staat op het Extranet van Philips CSI Alle nationale verkooporganisaties van Philips en alle offici le dealers hebben toegang tot het Extranet v
15. HF module to set the required divider value see Table 9 Note When LF synchronisation is used it is important that the frequency deviations of all transmitters are adjusted to equal values Ct good as possible See paragraph 9 3 for the adjustment procedure 9922 141 50041 en Page 18 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 10 3 RF synchronisation RF synchronisation can only be used with the VHF transmitter LBB 5888 In an RF synchronised system one transmitter functions as a master transmitter It s RF output is connected to the RF inputs of the other slave transmitters via a 50 Ohm coax line with RF splitters and or T connectors See Figure 10 Only the master transmitter is connected to the DP6000 bus The slave transmitters receive the modulated RF output signal from the master which they amplify to the desired output power In the slave transmitters the channel crystal must be removed 220V 12V Lh L 12 50 OHM termination E SLAVE M TRANSMTTER REsync T ipede la 220V 20V 12V 12 LAVE RF out P0999 TRANSMTTER T REsync Tighinpedance 20V 220V RF SYNCHRONISATION RF splitter 220V 12V 12V SLAVE RF out 0999 TRANSMITTER RFsync 1 Figure 10 RF synchronisation 1
16. High Performance Paging Transmitters LBB 5888 VHF 0 5 5 W LBB 5868 0 5 5 W LBB 6019 UHF 50 mW Installation Instructions 85 Philips PHILIPS Communication Security amp Imaging 9922 141 50041 en April 2002 2002 Philips Electronics N V Data subject to change without notice INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS TABLE OF CONTENTS 1 gt DONA 10 Lntroducttoni oM oou non a u a E ut e y Sm 11 Purpose ot this manual oerte een a a etate pde tuse ete ua 1 2 Intended audience of this manual 1 5 Avaiable doCutnefntatlOt o eter ee IE MEG Sura RD 1 5 Declaration of Conformity 1 6 Transmission licence 1 7 Modifications vus PN us a 1 8 ESD Protecti Nsp 1 0 Gontact addtesses zs oss S EANA ca 1 10 Contents of the packing 1 11 Abbreviations she Rein Rm etis a BER Product ov tview 2 u D dete ea a er l Sula SSS Power a aa as 4 1 Power supply from the mains m ses 42 12 power supply output i e ete te het S a AS AES Sua uu i Gu dagen Lace Gu EET u Su ayau ua s esa sess se 5 1 Power input 5 2 DP6000 bus 5 3 synch
17. an Philips CSI Neem zo nodig contact op met die organisatie of met een dealer E Philips Comunicaciones y Seguridad declara que los transmisores LBB 5888 0 5 5W LBB 5868 UHF 0 5 5W LBB 6019 UHF 50 mW cumplen los requisitos esenciales de la directiva R amp TTE 1999 5 EC La declaraci n oficial de conformidad Declaration of Conformity se puede consultar en la Extranet de Philips CSI Todas las organizaciones nacionales de venta de Philips y distribuidores autorizados tienen acceso a la Extranet de Philips CSI Por favor p ngase en contacto con alguna de ellas si lo considera necesario Philips Communication Security amp Imaging dichiara che i trasmettitori LBB 5888 VHF 0 5 5W LBB 5868 UHF 0 5 5W LBB 6019 UHF 50 mW sono conformi ai requisiti essenziali della Direttiva R amp TTE 1999 5 EC La Dichiarazione di Conformit ufficiale Declaration of Conformity si pu trovare sulla rete Extranet Philips CSI Tutte le organizzazioni di vendita nazionali Philips ed i rivenditori autorizzati hanno accesso alla rete Extranet Philips CSI In caso di bisogno rivolgersi ad un rivenditore autorizzato o ad una organizzazione di vendita 1 6 Transmission licence This transmitter is designed for the use as a part of a Philips DP6000 on site paging system For this service the transmitter is using frequencies which are not harmonised in the European Community National Authorities have prescribed requirements for putting this kind of equ
18. and must have had training on general DP6000 paging system tasks Great care has been taken to ensure that the information in this manual is complete and correct However maintenance and repair of sophisticated electronic equipment is a task for trained engineers well aware of the dangers and risks involved 1 3 Available documentation The following documentation is available for the UHF VHF transmitters I2 NC Name 9922 141 50021 Datasheet LBB 5888 and LBB 5868 9922 141 50031 Datasheet LBB 6019 9922 141 50041 Installation Instructions this manual 3922 880 00811 Service Manual 1 4 CE marking This product has the CE marking C 0344 The number added to the CE mark is the identification number of the consulted Notified Body O This transmitter is using frequencies which are not harmonised in the European Community 1 5 Declaration of Conformity Philips Communication Security amp Imaging declares that the transmitters LBB 5888 0 5 5W LBB 5868 UHF 0 5 5W and LBB 6019 UHF 50 mW are in conformance with the essential requirements of the R amp TTE Directive 1999 5 EC The official Declaration of Conformity can be found on the Philips CSI Extranet All Philips National Sales Organisations and authorised dealers have access to the Philips CSI Extranet Please contact one of those if necessaty Philips Communication Security amp Imaging d clare que les metteurs LBB 5888 VHF 0 5 5W L
19. ation Unit is needed LBB 5352 UHF LBB 5328 VHF or LBB 5353 This unit generates a stable LF sine wave and is connected to the DP6000 bus see Table 2 Each slave transmitter has a PLL circuit which locks the RF transmitting frequency to the LF synchronisation frequency See Figure 9 The recommended frequency for the LF synchronisation signal is 5 6 kHz 8 1 kHz For systems where the synchronisation signal is distributed through public telephone cables having a frequency band of 300 Hz 3 kHz the recommended frequency is 1 kHz 2 kHz 12V L 12 FROM DP60 SLAVE RF out ENCODER DP amp 00 TRANSMITTER RFsync 220V 220 iv SLAVE RF out DPS000 TRANSMITTER RFsync LF SYNCHRONISATION MASTER SYNC DF6000 UNIT 220V 220V 12V nmn 12 Y SLAVE RF out 7 090000 TRANSMITTER RFsync Figure 9 LF synchronisation Each transmitter has its own power supply The power for the Master Synchronisation Unit can be supplied from the 12Vdc output line of one of the transmitter s DP6000 bus see Table 2 Note Make sure that only one transmitter supplies 12 to tbe DP6000 bus Remove the 400 mA fuse see Figure 6 from the other transmitters Remove the fuse from all transmitters when a separate power supply is connected to the same DP6000 bus 9922 141 50041 en Page 17 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM
20. ipment in service Therefore the transmitter may only be put in service with a license obtained from the National Authority responsible in the relevant Member State Together with the license the National Authority shall assign the transmission frequency that may be used The Spectrum Authorities for all EU Member States can be found on the following internet site http www europa eu int comm enterprise rtte spectr htm When this transmitter is used outside the member states of the EU the local regulations must be taken into account 17 Modifications Modifications or additions to the transmitter are not allowed without the written consent of Philips CSI N Warning Any unauthorised modification or use of the transmitter will invalidate the Declaration of Conformity 1 8 ESD protection A All ICs and many other electrical components are susceptible to Electro Static Discharge ESD could cause instantaneous failures but could also drastically limit the life span of the affected part This can cause unexplainable behaviour of the equipment When handling printed circuit boards always take preventive measures like Keep printed circuit boards as long as possible in their protective bags Use an anti ESD bracelet Use an ESD protected workspace 1 9 Contact addresses Transmitters For information and inquiries see the Philips CSI internet site http www philipscsi com Power supply For dealer addresses to order a UK
21. ng to the regulations applying at the location of the user It must never be thrown out with the general or domestic waste 9922 141 50041 en Page 13 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS ru gm e 2 z a E 0 6 os as E g d gas sss Em es HI hes 8 sss 18 as J4 LF sync enable mmm oa 2 tg e m gow dal a d m EE 9 pt m e q JE RH e J5 Not used always closed Figure 8 UHF module PCB layout 9922 141 50041 en Page l4 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 7 LED INDICATORS Two LED s located at the connector panel of the transmitter housing see Figure 3 indicate the general status of the transmitter Four additional diagnostics LED s are located on the basic PCB see Figure 6 Table 3 LED indicators
22. of the channel spacing For countries where less channel spacing is used the frequency deviation must be adjusted to an appropriate lower level before operating the transmitter See paragraph 9 3 for the adjustment procedure 9 2 Output power adjustment The output power level can be set to a lower level when required Follow the procedure as described below The mentioned jumpers LED s and potmeters are all located on the basic PCB see Figure 6 Note Adjusting the output power is only applicable for the 5W transmitters LBB 5888 and LBB 5868 Do not change the output power for the 50 mW transmitter LBB 6019 1 Connect a Watt meter range 250 mW 7 W to the RF antenna output 2 Set jumper J1 to the appropriate power range 0 5 2 W or 1 5 W 3 Set jumper J2 to the TEST position to switch the transmitter on The yellow TX LED should go on 4 Adjust potmeter R4 to 60 of the required output power value 5 Adjust potmeter R47 such that the green PWR LED is just going on 6 Adjust potmeter R4 to 100 of the required output power value The green PWR LED should now be on continuously 7 Connect a 50 Ohm dummy load to the RF antenna output 8 Adjust potmeter R51 such that the red VSWR ERROR LED is just going off 9 Remove the dummy load The red VSWR ERROR LED should now go on 10 Set jumper J2 back to the NORMAL position to switch the transmitter off 93 Frequency deviation adjustment The frequenc
23. ronisation input 5 4 antenna output A us PCB Layo tsvess sapa ana RES VERRE ER To sues Unas RE EVEN usss OT ITI NE P E 9 1 Factory settings 9 2 Output power adjustment 9 5 Frequency deviation adjustment Izd ntpote sss 10 1 JE E Sync BEORISATOTI y Sas ore Ire tert EE Meth npe etit TENE SOR SER 17 10 2 Settings for LF synchronisation t Gs vs sas m 20 18 10 3 RE synchronisation sn nen oni a a A i Sa 19 10 4 Settings for RF synchronisation sssrinin tenete KREEK KEEKEKE EPRE EERE ERRER reS 19 9922 141 50041 en Page 3 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS INTRODUCTION l Purpose of this manual This manual supplies an engineer with the information required to install and replace the UHF VHF transmitters The complete technical specifications can be found in the Data Sheets Refer to the Service Manual for maintenance troubleshooting and repair 1 2 Intended audience of this manual This manual has been written with the service engineer in mind However this does not mean that there are no other legitimate users of this manual To be able to make the right judgements in error situations such a person must have had an education on engineering level
24. y deviation can be set to a lower level when required The maximum frequency deviation should be set to 20 of the channel spacing Follow the procedure as described below The mentioned jumpers LED s and potmeters are all located on the basic PCB see Figure Connect a dummy load attenuator 50 Ohm 20 dB 7W to the RF antenna output Connect a frequency deviation meter range 1 5 kHz to the output of the dummy load attenuator Connect an LF generator 600 Ohm symmetrical to pins 1 and 2 of the DP6000 bus connector Adjust the LF generator to 120 Hz 0 dBm 0 775 Ver or 2 2 Vit Set jumper J2 to the TEST position to switch the transmitter on The green LF LED should go on Adjust potmeter R43 to the required frequency deviation level Set jumper J2 back to the NORMATL position to switch the transmitter off SUN a Po 9922 141 50041 Page 16 of 22 April 2002 INSTALLATION INSTRUCTIONS 85 DP6000 DIGITAL PAGING SYSTEM VHF UHF TRANSMITTERS 10 SYNCHRONISATION When a paging system uses more than one transmitter the RF frequencies of the transmitters must be synchronised All transmitter types can be synchronised by a LF signal on the DP6000 bus The VHF transmitter LBB 5888 can also be RF synchronised see 10 3 For optimal performance the overlap between the transmitter s coverage areas should be kept as small as possible 10 1 LF synchronisation In a LF synchronised system one Master Synchronis
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