Allen Telecom MIKOM MR801B, User Manual

Page 1: ...User s manual for Repeater MR801B Power M0067A0A doc Id No 151111 Page 1 02 JUNE 99 User s manual for band or channel selective Repeater MR801B Power Id No 148613 Author Approved QA ...

Page 2: ...AMBLE 11 1 INTRODUCTION 13 1 1 Intended purpose 13 1 2 About the MR801B POWER 13 2 FUNCTIONAL DESCRIPTION 14 2 1 General 15 2 2 RF modules 15 2 3 Mother board 17 2 4 Control module SM 2009 18 2 5 Duplexer 19 2 6 Active combiner 20 2 7 Measuring aids 20 2 8 Power supply 21 2 9 Feed forward amplifier 22 3 FUNCTIONS AND FEATURES 23 3 1 Band and channel selectivity 23 3 2 Gain setting 23 3 3 ALC 24 ...

Page 3: ...hanical specification 36 5 3 Environmental and safety 36 5 4 External electrical interfaces 36 5 4 1 Electrical power 36 5 4 2 RF connections 37 5 5 External RF output 39 6 INSTALLATION 40 6 1 Mechanical installation 41 6 2 Electrical installation 44 6 2 1 Grounding 44 6 2 2 Power connection 45 6 2 3 Connection of the antenna cables 45 7 SETTING TO WORK 46 7 1 Preparation 46 7 2 Setting of operati...

Page 4: ...neral 55 9 2 Replacement of the fuses mains 55 9 3 Replacement of the power supply fuse 56 9 4 Replacement of the mains cable 56 9 5 Replacement of the RAM RTC battery 57 9 6 Replacement of the dummy battery backup module 58 9 7 Replacement of duplexers 59 9 8 Replacement of RF modules 60 9 9 Replacement of the control module SM 2009 62 9 10 Replacement of power supplies 63 9 11 Replacement of act...

Page 5: ...PARE PARTS LIST 68 11 APPENDIX 70 11 1 Installation drawing of the Repeater 70 11 2 Top view of the Repeater left side one channel configuration 71 11 3 Top view of the Repeater right side one channel configuration 72 11 4 One channel configuration cabling and block diagram 73 12 INDEX 75 ...

Page 6: ... configuration and installation position 32 figure 4 3 Mounting position of batteries 33 figure 5 1 Screw terminal for mains cable 37 figure 5 2 Connector panel layout 37 figure 5 3 Position of external RF output 39 figure 6 1 System description 40 figure 6 2 Wall mounting brackets 42 figure 6 3 Clearance distance 43 figure 6 4 Grounding kit 44 figure 6 5 Screw terminal 45 table 7 1 LED indication...

Page 7: ...re 9 15 Position of the feed forward amplifier reset board 66 figure 9 16 Position of feed forward amplifiers 4 channel Repeater 67 table 10 1 Spare parts list 69 figure 11 1 Installation drawing of the Repeater 70 figure 11 2 Top view of the Repeater left side one channel configuration 71 figure 11 3 Top view of the Repeater right side one channel configuration 72 figure 11 4 Cabling of one chann...

Page 8: ... I C Bus Inter Integrated Circuit Bus Philips LMT Local Maintenance Timeout MR MIKOM Repeater OMC Operation and Maintenance Centre PABX Private Automatic Branch Exchange PCMCIA Personal Computer Modem Communication International Association PSTN Public Switched Telephone Network Rev Revision RF Radio Frequency RLP Radio Link Protocol RSSI Receive Signal Strength Indication RTC Real Time Clock SDA ...

Page 9: ...pare parts kit containing 1 control cable RS232 1 hex socket key size 2 5 1 Torx key 5 socket head cap screws M3 0 x 30 2 tallow drop screws TRX M5 0x25 2 tallow drop screws M2 0x6 2 tallow drop screws M3 0x5 4 straight pins 3 0 x 25 3 captive washers for M5 4 Tyraps 3x5g Silicon heat conducting paste 1 hex socket screw key size 4 long 4 nuts 2 fuses 8 A type MT 5 socket head cap screws M3 0x20 2 ...

Page 10: ...ounding of the Unit has to be performed by all means A grounding bolt is provided at the cabinet in order to connect the earth bonding cable F Note The Unit is heavy weight Make sure that a suitable mounting surface is used Only adequate manpower is allowed to handle the system F Note ESD precautions have to be observed Before maintenance work use the available grounding system to connect ESD prot...

Page 11: ...Repeater leaves the factory only after a thorough final acceptance test accompanied by a test certificate which warrants perfect function The acceptance test certificate is subject of the delivery and it is fixed to the Repeater lid in order to provide a quick reference for the user Any intervention has to be performed by authorized persons only If you need technical assistance with the Repeater M...

Page 12: ...1 05 20041 Agrate Brianza 19 1 Parkway Parade 19 Jiangguomenwai Avenue Milan Singapore 449269 Beijing Italy China 100004 Phone 39 39 605 41 Phone 65 345 8022 Phone 86 10 6508 3088 FAX 39 39 605 4477 FAX 65 345 8033 FAX 86 10 6508 3066 AT Canada FOREM UK AT Hong Kong 1815 Ironstone Manor 12 Unit D Castle Industrial Park 1603 Remington Certer 23 Hung to road Pickering Ontario L1W 3W9 Canada Pear Tre...

Page 13: ...ive repeater for CDMA TDMA and analog networks This repeater bi directionally amplifies signals between multiple mobiles and a single base station in the AMPS 800 frequency band It is employed where poor topological conditions cause weak field strengths It can provide highly selective amplification of band segments or channels in the AMPS 800 band MR801B POWER modules can be combined with other re...

Page 14: ...he Repeater MR801B Power can be equipped from one to four bands or channels The following block diagram shall illustrate the configuration of the system one physical module contains UL and DL with more than two channels the amplifiers are included both are in one housing figure 2 1 Block diagram of MR801B Power ...

Page 15: ...asures the output power and controls the gain This is called Automatic Level Control ALC and keeps intermodulations below an adjustable value Finally the signals are fed to the built in antenna of the Repeater 2 2 RF modules The task of the RF modules is to amplify the receive signals and to convert them into an intermediate frequency The signals then proceed a filter stage comprising of highly se...

Page 16: ...User s manual for Repeater MR801B Power M0067A0A doc Id No 151111 Page 16 02 JUNE 99 figure 2 2 Top view of an RF module ...

Page 17: ...les and the control module via the I C Bus In the three and four channel configuration of the Repeater there is a mother board on the left and on the right side whereas in the one and two channel configuration there is only one mother board implemented on the right side of the Repeater Mother boards are located underneath the RF modules figure 2 3 Top view of a mother board ...

Page 18: ...e controlled and status messages can be received remotely In case a modem or a mobile is connected automatic alarm messages can be received The data transfer between the control module SM 2009 and the mother board is realized by the I C Bus system The I C Bus concept was developed by Philips for the serial connection of integrated circuits within one device Two wires SDA serial data and SCL serial...

Page 19: ...ownlink i e isolate transmit path from receive path The pass bandwidth of the duplexer is the entire width of the uplink band and the downlink band UL frequency DL frequency 824 849 MHz 869 894 MHz Duplexer with connector to mobile side Duplexer with connector to BTS side figure 2 5 Top view of the duplexers 30 dB coupler 30 dB coupler 20 dB coupler ...

Page 20: ...module 2 7 Measuring aids With built in RF probes test signals can be applied or detected The probes provide a coupling factor of 30 dB respectivly 20 dB Each duplexer uplink and downlink is equipped with one 30 dB coupler the UL Input duplexer additionally with a 20 dB coupler for a modem or mobile See chapter 4 Optional equipment This facilitates measurements under all operational conditions whi...

Page 21: ...DC 80 to 130 VDC The following figure shows the mounting position of the power supplies in the MR801B Power cabinet figure 2 7 Mounting position of power supplies Each power supply is equipped with a power socket protected with two fuses Each power supply can be switched on or off by means of an external switch The modules of the Repeater are voltage free if all power supplies are switched off The...

Page 22: ...peater voltage free you have to remove the fuses F1 and F2 on the screw terminal The power supply is factory set 2 9 Feed forward amplifier The feed forward amplifier is the final stage which enables high output power as well as a high ICP3 One amplifier has to be installed for each path the uplink and downlink figure 2 9 Top view of the feed forward amplifier ...

Page 23: ...um in steps of 2 dB The attenuation can be set for the UL and DL path separately The rotary switches are mounted on the mother board These switches are accessible through the long hole between the two RF modules see figure 3 1 Position of rotary switches They can be adjusted easily by means of a small screwdriver figure 3 1 Position of rotary switches For remote control an RS232 interface can be u...

Page 24: ...ects the final amplifier To keep spurious emissions below certain limits the input power into the Repeater and the attenuation settings of the repeater have to be considered properly 3 4 BITE and alarms The Built In TEst concept comprises the monitoring of the power supplies the operational currents in the RF modules the mother board and the remote control interface Furthermore the synthesizer loc...

Page 25: ...g hardware module has to be replaced An alarm can be acknowledged manually by software command If all alarms have been acknowledged the summary error LEDs are set back to green indication In case of mains power failure all data of the STATUS HIST list are lost The alarm can also be sent to the OMC If monitored via a modem automatic dialling will generate a summary alarm message The operator can ac...

Page 26: ...arm may be activated together with the external alarms for instance UPS temperature Optional alarms table 3 4 List of all available alarms 3 4 1 Handling of alarms As soon as the software recognizes a valid alarm a message is transmitted to the terminal In remote mode via modem the first of two stored telephone numbers will be dialled In case a connection cannot be established the second telephone...

Page 27: ...d by a listing of all settings of the Repeater STATUS will be responded by a listing of all individual status information An examples is listed below for a GET1 REP1009V1 xx and STATUS report The listing contains random data to demonstrate in which way these messages appear Due to the fact that the report is very long the GET report can be split in two parts You have to type GET1 to see the first ...

Page 28: ... has occurred and an immediate corrective action is required to restore the capability of the managed object Major The major severity level indicates that a service affecting condition has developed and an urgent corrective action is required Such a severity can be reported for example when there is a severe degradation in the capability of the managed object and its full capability must be restor...

Page 29: ...ial or impending service affecting failure before any significant effect has been caused Action should be taken to further diagnose and correction of the problem shall prevent a more serious service affecting failure Disable The disable severity level indicates that the detected failure has no influence on the system and shall not be sent to the terminal ...

Page 30: ...inually measured by a special VSWR module An alarm can be given for VSWR 10 dB 4 2 External alarms With the following option it is possible to monitor 4 external alarms via the Repeater software Hence the status of the connected device e g UPS can be monitored The contacts of the alarms can be accessed at clamps on the main board right side of the Repeater figure 4 1 Clamps for external alarms ...

Page 31: ...mmand STATUS EXTALARM is for instance EXT ALARM 1 OK if the alarm is not active and EXT ALARM 1 FAILURE if the alarm is active The name for each external alarm and the name for the alarm message can be defined by the customer with the corresponding software command The following example describes the response for the external alarms to control a UPS Example External alarms if the UPS is active EXT...

Page 32: ... 4 Battery backup module If backup is required only for the control module and the modem low capacity batteries are available to operate controller and modem for at least ten minutes under normal environmental conditions Battery backup is provided for the control module to transmit alarm information in case of power failure The battery type is a NiCd 8 4V 300 mAh The battery backup is sufficient e...

Page 33: ...ts are voltage free The switch is located on the battery backup module Switch ON default OFF Battery backup active Battery backup not active The module is directly plugged into the control module During the charging process a green LED V7 on the module indicates that the battery is charged at the moment After finishing the process the LED V7 will be switched off The batteries are mounted underneat...

Page 34: ...B 3 5 dB at extreme temperatures Gain adjust range 30 dB in 2 dB steps Gain adjust range tolerance 0 5 dB Return loss 15 dB 25 C ambient temperature Spurious intermodulation 13 dBm max Spectral re growth CDMA only 45 dBc J STD 008 Power supply 115 VAC 15 40 65 Hz Option 230 VAC 15 40 65 Hz Option 185 320 VAC 40 65 Hz Option 24 VDC Option 42 to 60 VDC RF connector 7 16 female Option N female Enviro...

Page 35: ...00 ns 500 ns Far off selectivity 40 dB 60 dB 55 dB NF at Gmax 8 dB 6 dB 6 dB NF at Gmax 30 dB 13 dB 12 dB 12 dB OICP 3 at Gmax 59 0 dBm 59 0 dBm 59 0 dBm OICP 3 at Gmax 10 dB 58 5 dBm 58 5 dBm 59 0 dBm OICP 3 at Gmax 20 dB 57 5 dBm 58 0 dBm 58 5 dBm OICP 3 at Gmax 30 dB 53 0 dBm 55 0 dBm 57 0 dBm Output noise in band at Gmax 76 dBm Hz Output noise out of band at Gmax 96 dBm Hz Power consumtion sta...

Page 36: ...flet for MIKOM indoor outdoor cell enhancers related to ETS 300019 European Tele communication Standard Operating temperature normal temperature range 5 C 40 C extreme temperature range 33 C 50 C Humidity 30 C 93 5 4 External electrical interfaces 5 4 1 Electrical power The Repeater MR801B Power can be supplied with the following power supplies mains 115 Vac 15 40 65 Hz 230 V ac 15 40 65 Hz 185 32...

Page 37: ... terminal for mains cable for the position of the two 8 A fuses figure 5 1 Screw terminal for mains cable 5 4 2 RF connections There are two 7 16 female antenna connectors at the outside of the housing accessible on the connector panel see figure 5 2 Connector panel layout figure 5 2 Connector panel layout ...

Page 38: ... 16 TX downlink connector should be connected to the antenna system for the communication with the mobile units Mobile The 7 16 TX uplink connector should be connected to the antenna system for the communication with the Base Transceiver Station BTS As an option a 7 16 N adapter is available ...

Page 39: ...5 5 External RF output An external output in the downlink path is available at the outside of the housing as an option This enables the connection of an integrated modem to an additional antenna The connector type is N female External RF output figure 5 3 Position of external RF output ...

Page 40: ...wer M0067A0A doc Id No 151111 Page 40 02 JUNE 99 6 Installation BTS RX Uplink TXDownlink Mobile TXUplink RXDownlink RXDownlink TXUplink TXDownlink RX Uplink to from Mobile Stations to from BTS RepeaterSystem figure 6 1 System description ...

Page 41: ...tion Between the housing and the wall a minimum distance must be kept in order to provide air circulation F Note The weight of the MR801B Power is approximately 47 kg in standard configuration The Repeater must be mounted in the vertical plane to a wall or a mast which means the connectors have to be located at the bottom Use the mounting brackets which are part of the delivery This will guarantee...

Page 42: ...he lower two socket head cap screws M8 0x16 and the 2 tire bolts F Note The unit is heavy weight Make sure that a suitable mounting surface is used Only adequate manpower is allowed to handle the system The installation position of the Repeater follows from the installation drawing see figure 11 1 Installation drawing of the Repeater Make sure that there is free access to the electrical connection...

Page 43: ...User s manual for Repeater MR801B Power M0067A0A doc Id No 151111 Page 43 02 JUNE 99 figure 6 3 Clearance distance ...

Page 44: ... qualified personnel The cover of this unit should not be opened while power is applied Subsequent installation commissioning and maintenance activities that require the unit to be powered with the cover open shall only be carried out by suitably qualified personnel 6 2 1 Grounding Grounding has to be performed by all means Therefore a grounding bolt is provided at the cabinet An earth bonding cab...

Page 45: ...lead has to be replaced use a cable of the same quality 6 2 3 Connection of the antenna cables The Repeater has two female antenna connectors 7 16 For mounting the corresponding cable connectors we recommend to refer to the applicable documentation of the respective connector manufacturer The bending radius of the antenna cables must remain within its specification This will warrant proper operati...

Page 46: ...n In order to check the function of the Repeater system on site it is advisable to operate the Repeater system with 50 Ohm termination This makes it possible to set the necessary gain and to test the set value without the necessity of transmitting on air In order to perform settings the Repeater has to be opened Please ensure not to damage the seals which are on the modules situated on the RF modu...

Page 47: ...d PC remote control via modem 7 2 1 Manual settings by means of rotary switches The manual mode allows the user to set the required channels and attenuation by means of rotary switches With a small screwdriver which fits through the long holes of the RF modules the values can be adjusted by turning the switch carefully to the desired position F Note To enable manual settings of parameters the mode...

Page 48: ...ps of 2 dB The attenuation can be set for the UL and DL path separately The rotary switches are mounted on the mother board These switches are accessible through the long hole between the two RF modules see figure 7 3 Position of the rotary switches They can be adjusted easily by means of a small screwdriver figure 7 3 Position of the rotary switches A label on the RF module located next to the ro...

Page 49: ...es 1 manual auto 2 remote mode local mode 3 n c n c 4 software download manually controlled software download controlled by software table 7 5 DIP switch configuration 7 2 2 Settings via personal computer as terminal Instead of manually setting operational parameters via rotary switches it is also possible to use the functions of the control module The local mode for settings via PC has to be set ...

Page 50: ...al or a PC with VT100 emulation can be connected to the control module SM2009 by a standard RS232 cable if necessary in connection with an adapter 9 to 25 Cable Connections PC Control Module SM2009 9 contact SUB D Connector 9 contact SUB D Connector male male PC RS 232 MR801B Power PIN PIN 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 DIP Switch 2 ...

Page 51: ...he line Modifications are possible by software commands F Note Settings on the Repeater can be performed after the following procedure only After connecting the PC to the Repeater following procedure is necessary to get access to the program MIKOM REPEATER MR801B SM2009 SW REP1007V1 11 ENTER CR TO LOGIN 1 Step Type the two keys FULLSTOP and ENTER You have to type the keys 2 Step ENTER USER ID You ...

Page 52: ...contains the description of the AT commands F Sets modem to factory configuration E0 Echo OFF S0 1 Auto answer ON the GSM module M1 modem goes off hook after the first ringing signal S7 60 Waiting time for connection after dialing permissible values are from 0 60 B13 Setting to 9600 bps asynchronous mode N6 Auto reliable operation N0 Standard operation no error correction CBST 7 0 1 Set bearer ser...

Page 53: ...ndication l LED on LED off Internal LED L1 Internal LED L2 Internal LED L3 Cause green red green red green No power Check presence of power at the input replace fuse according to chapter 9 3 check battery backup module l l l Indicates a summary failure 8 2 Boot process Following signals occur during boot process Internal LED L1 Internal LED L2 Internal LED L3 Cause green red green red green l l Po...

Page 54: ...ummary error LEDs will be set back to green indication 4 In case of mains power failure the contents of the actual STATUS HIST list is lost For a complete list of available alarms see table 3 4 List of all available alarms 8 4 Power supply The output voltage is factory set and should not be changed 8 5 General remarks After a software download previous user settings data default values might be ov...

Page 55: ...ake care not to damage unintentionally the seals on the modules The spare part list consequently contains only units which can be replaced without tuning or complex soldering work figure 9 1 Top view of the Repeater F Note Defect parts should only be replaced by original parts from MIKOM All interventions inside the housing are at one s own risk During maintenance ensure that the Repeater has been...

Page 56: ... outside of the power supply housing F Note Use only fuses of the same type and the same rating when replacing figure 9 3 Position of power supply fuse 9 4 Replacement of the mains cable The Repeater will be delivered with a firmly connected mains cable In case the length of the delivered mains cable should not be sufficient or in case of a defect the mains cable can be replaced F Note Disconnect ...

Page 57: ...over the wires Now close the PG9 threaded joint Screw the wires to the fuse terminal Fix the cable with the plastic cable clip Put the cable in the guide shaft and close it with the clamping profile 9 5 Replacement of the RAM RTC battery The RAM RTC battery of the control module has to be replaced in case of memory loss or as a preventive measure after approximately three years usage The RAM RTC b...

Page 58: ...g of the battery and dissemination of hazardous substances Don t try to charge this battery 9 6 Replacement of the dummy battery backup module The dummy battery backup module is accessible after opening the housing on the left hand side If a modem is implemented you have to disconnect the cable from the modem which is connected with the battery backup module Before you are able to remove the modul...

Page 59: ...ns refer to the assembly guide for the Repeater Remove the semi rigid cables which connect the UL output and the DL output with the feed forward amplifier by loosing the SMA connectors Use a torque wrench Then remove the semi rigid cables from the RF modules BTS side marked with a red spot It is recommended not to remove the amplifier which is mounted on the backside of the duplexer A new duplexer...

Page 60: ...9 7 Connector panel layout 9 8 Replacement of RF modules To remove the RF modules disconnect the SMA connectors by means of a torque wrench If the Repeater is equipped with TDMA modules the external filter on top of the modules must be dismounted beforehands The external filter box covers two of the socket head cap screws the TDMA module is fixed with Unscrew the socket head cap screw on top of th...

Page 61: ...nd CDMA modules are equipped with mounting straps on the left and on the right side figure 9 8 Top view of an RF module Connecting the RF modules depends on the number of channels your Repeater is equipped with i e with one up to four channels Each configuration has got a different cabling See assembly guide of the channel modification kits for the cabling and functional description of the RF modu...

Page 62: ...e Address RF module UL DL Channel one 0 1 Channel two 2 3 Channel three 4 5 Channel four 6 7 table 9 10 Address of synthesizer Instructions for band selective modules with variable bandwith can be found in a seperate document 9 9 Replacement of the control module SM 2009 The control module is a Printed Circuit Board situated on the left hand side of the Repeater Disconnect the DC cable from power ...

Page 63: ...strated in figure 9 11 Position of control module figure 9 11 Position of control module 9 10 Replacement of power supplies F Note Ensure that mains are disconnected There are four power supplies mounted in the Repeater housing two on each side Open the Repeater to get access to the devices Remove all connected cables from the clamps of the power supply Try to loose the plug by means of a small sc...

Page 64: ...housing and the power supply to loose the device figure 9 13 Position of special nut M4 F Note Don t forget to put heat conducting paste on the mounting side for installation of a new power supply Use the conducting paste which is included in the spare parts kit 9 11 Replacement of active combiner modules The active combiner modules are mounted on both sides of the Repeater Disconnect all SMA conn...

Page 65: ...nnel modification kits 9 12 Replacement of feed forward amplifiers There is one amplifier mounted on each side of the Repeater They are fixed to the housing by means of 6 socket head cap screws M4x25 A special reset board is connected to the 15 pole SUB D connector See figure 9 15 Position of the feed forward amplifier reset board This reset board is part of the feed forward amplifier A new feed f...

Page 66: ...et board Remove the ready made cable which is plugged to the 15 pole SUB D connector of the reset board Unscrew the screw clip first The SMA connectors can be removed only after dismounting the amplifier Position of the feed forward amplifiers are illustrated in figure 9 16 Position of feed forward amplifiers 4 channel Repeater Reset board ...

Page 67: ...User s manual for Repeater MR801B Power M0067A0A doc Id No 151111 Page 67 02 JUNE 99 figure 9 16 Position of feed forward amplifiers 4 channel Repeater ...

Page 68: ... Amplifier 824 849 MHz 148629 Feedforward Amplifier 869 894 MHz 148630 Power Supply 230 Vac 15 14 65 Hz Ger plug 138305 Power Supply 230 Vac 15 14 65 Hz UK plug 142832 Power Supply 230 Vac 15 14 65 Hz no plug 144306 Power Supply 24Vdc no plug 145504 Power Supply 185 320 Vac 40 65 Hz no plug 148812 Power Supply 115 Vac 15 40 65 Hz USA plug 141230 Power Supply 42 60 Vdc no plug 144946 Power Supply 8...

Page 69: ...0 Adapter 7 16 male N female 112425 RF Gland SMA to N 150615 Mother board 147024 Manual for MR801B Power 151111 Assembly guide for modification kits 151045 Modification Kit for one channel 149917 Modification Kit for two channels 149918 Modification Kit for three channels 150529 Modification Kit for four channels 149920 Duplexers are labeled refering to the UL frequency table 10 1 Spare parts list...

Page 70: ...User s manual for Repeater MR801B Power M0067A0A doc Id No 151111 Page 70 02 JUNE 99 11 Appendix 11 1 Installation drawing of the Repeater figure 11 1 Installation drawing of the Repeater ...

Page 71: ...al for Repeater MR801B Power M0067A0A doc Id No 151111 Page 71 02 JUNE 99 11 2 Top view of the Repeater left side one channel configuration figure 11 2 Top view of the Repeater left side one channel configuration ...

Page 72: ...l for Repeater MR801B Power M0067A0A doc Id No 151111 Page 72 02 JUNE 99 11 3 Top view of the Repeater right side one channel configuration figure 11 3 Top view of the Repeater right side one channel configuration ...

Page 73: ...User s manual for Repeater MR801B Power M0067A0A doc Id No 151111 Page 73 02 JUNE 99 11 4 One channel configuration cabling and block diagram figure 11 4 Cabling of one channel Repeater ...

Page 74: ...User s manual for Repeater MR801B Power M0067A0A doc Id No 151111 Page 74 02 JUNE 99 figure 11 5 Block diagram of one channel Repeater ...

Page 75: ...rofile 57 Connector types 7 16 female 38 N female 39 Contents of delivery 9 Control module 18 D DIP Switch 49 Dummy battery backup module 58 Duplexer 15 19 59 E EEPROM 18 Environmental and safety 36 ESD precautions 11 F Feed forward amplifier 22 G Gain Local settings 23 48 Setting via PC 49 Grounding 44 H Health and safety warnings 10 I I C Bus 18 Ident numbers 68 Installation Electrical 45 Mechan...

Page 76: ...151111 Page 76 02 JUNE 99 P Power supply 21 Replacement of 64 R RAM RTC battery 57 Remote control 23 RF module 60 Rotary switch To set the gain 48 S Setting of operational parameters 47 Setting to work 46 Severity levels 28 T Test probes 20 Trouble shooting 53 ...