Andrew Wireless Innovations Group RPT-MR701 REPEATER User Manual M0067A0A
Andrew Wireless Innovations Group REPEATER M0067A0A
Contents
Repeater manual
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| Document ID | 56386 |
| Application ID | 3o4e6lJ4gx9O2BENQZ5iEg== |
| Document Description | Repeater manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 200.11kB (2501353 bits) |
| Date Submitted | 1999-08-25 00:00:00 |
| Date Available | 1999-11-10 00:00:00 |
| Creation Date | 0000-00-00 00:00:00 |
| Producing Software | Acrobat PDFWriter 3.02 für Windows |
| Document Lastmod | 1999-06-02 09:00:08 |
| Document Title | M0067A0A.PDF |
| Document Creator | Microsoft Word |
User’s manual for Repeater MR801B Power User’s manual for band or channel selective Repeater MR801B Power (Id.-No. 148613) Author: M0067A0A.doc Approved: Id.-No 151111 QA: Page 1 02-JUNE-99 User’s manual for Repeater MR801B Power Table of Contents LIST OF UNIT SPECIFIC ABBREVIATIONS CONTENTS OF DELIVERY HEALTH AND SAFETY WARNING 10 PREAMBLE 11 13 INTRODUCTION 1.1 Intended purpose 13 1.2 About the MR801B POWER 13 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 FUNCTIONS AND FEATURES 23 3.1 Band and channel selectivity 23 3.2 Gain setting 23 3.3 ALC 24 M0067A0A.doc Id.-No 151111 Page 2 02-JUNE-99 User’s manual for Repeater MR801B Power 3.4 BITE and alarms 3.4.1 Handling of alarms 3.4.2 Status report 3.4.3 Severity levels 24 26 27 28 30 OPTIONAL EQUIPMENT 4.1 VSWR module 30 4.2 External alarms 30 4.3 Modem 32 4.4 Battery backup module 32 SPECIFICATION 34 5.1 Electrical specification 34 5.2 Mechanical specification 36 5.3 Environmental and safety 36 5.4 External electrical interfaces 5.4.1 Electrical power 5.4.2 RF connections 36 36 37 5.5 39 6.1 External RF output INSTALLATION 40 Mechanical installation 41 6.2 Electrical installation 6.2.1 Grounding 6.2.2 Power connection 6.2.3 Connection of the antenna cables 44 44 45 45 46 7.1 SETTING TO WORK Preparation 46 7.2 Setting of operational parameters 7.2.1 Manual settings by means of rotary switches 7.2.2 Settings via personal computer as terminal 7.2.3 Settings via modem M0067A0A.doc Id.-No 151111 Page 3 47 47 49 52 02-JUNE-99 User’s manual for Repeater MR801B Power TROUBLE SHOOTING 53 8.1 Error indication 53 8.2 Boot process 53 8.3 Alarm monitoring with the STATUS HIST command 54 8.4 Power supply 54 8.5 General remarks 54 MAINTENANCE 55 9.1 General 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 active combiner modules 64 9.12 Replacement of feed forward amplifiers 65 M0067A0A.doc Id.-No 151111 Page 4 02-JUNE-99 User’s manual for Repeater MR801B Power 10 SPARE 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 M0067A0A.doc 75 Id.-No 151111 Page 5 02-JUNE-99 User’s manual for Repeater MR801B Power LIST OF FIGURES AND TABLES table 1-1 List of international sales offices............................................................................12 figure 2-1 Block diagram of MR801B Power .......................................................................14 figure 2-2 Top view of an RF module...................................................................................16 figure 2-3 Top view of a mother board .................................................................................17 figure 2-4 Top view of the control module............................................................................18 figure 2-5 Top view of the duplexers ....................................................................................19 figure 2-6 Top view of the active combiner module..............................................................20 figure 2-7 Mounting position of power supplies....................................................................21 figure 2-8 ON / OFF position of external switch ...................................................................22 figure 2-9 Top view of the feed forward amplifier ................................................................22 figure 3-1 Position of rotary switches ...................................................................................23 figure 3-2 Position of failure LEDs.......................................................................................24 figure 3-3 Status hist report ..................................................................................................25 table 3-4 List of all available alarms .....................................................................................26 figure 3-5 Example of a GET1 report ...................................................................................27 figure 3-6 Example of a STATUS report ..............................................................................28 figure 4-1 Clamps for external alarms...................................................................................30 figure 4-2 Cable 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 ......................................................................................................46 figure 7-2 Position of the DIP-Switch 1................................................................................47 figure 7-3 Position of the rotary switches..............................................................................48 figure 7-4 Rotary switches and label.....................................................................................49 table 7-5 DIP-switch configuration.......................................................................................49 figure 7-6 DIP-switch 2 for local mode.................................................................................50 table 7-7 List of AT commands ............................................................................................52 figure 9-1 Top view of the Repeater .....................................................................................55 figure 9-2 Fuse terminal .......................................................................................................56 figure 9-3 Position of power supply fuse...............................................................................56 figure 9-4 Position of RAM/RTC battery.............................................................................58 figure 9-5 Position of dummy battery backup module...........................................................59 figure 9-6 Cable configuration of the duplexers ....................................................................60 figure 9-7 Connector panel layout ........................................................................................60 figure 9-8 Top view of an RF module...................................................................................61 figure 9-9 Position of hex coded rotary switches...................................................................62 table 9-10 Address of synthesizer .........................................................................................62 M0067A0A.doc Id.-No 151111 Page 6 02-JUNE-99 User’s manual for Repeater MR801B Power figure 9-11 Position of control module .................................................................................63 figure 9-12 Power supply......................................................................................................63 figure 9-13 Position of special-nut M4..................................................................................64 figure 9-14 Position of counter sunk screws on active combiner ...........................................65 figure 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 channel Repeater ........................................................................73 figure 11-5 Block diagram of one channel Repeater .............................................................74 M0067A0A.doc Id.-No 151111 Page 7 02-JUNE-99 User’s manual for Repeater MR801B Power LIST OF UNIT SPECIFIC ABBREVIATIONS ALC BCCH BITE BTS DL ETS FFwd Id.-No. I²C-Bus LMT MR OMC PABX PCMCIA PSTN Rev RF RLP RSSI RTC SDA SCL UL UPS VSWR M0067A0A.doc Automatic Level Control Broadcast Control Channel Built In Test Equipment Base Transceiver Station Downlink European Telecommunication Standard Feed Forward Amplifier Ident Number Inter Integrated Circuit Bus ( Philips ) Local Maintenance Timeout MIKOM Repeater Operation and Maintenance Centre Private Automatic Branch Exchange Personal Computer Modem Communication International Association Public Switched Telephone Network Revision Radio Frequency Radio Link Protocol Receive Signal Strength Indication Real Time Clock Serial Data Line of I²C-Bus Serial Clock Line of I²C-Bus Uplink Uninterruptable Power Supply Voltage Standing Wave Ratio Id.-No 151111 Page 8 02-JUNE-99 User’s manual for Repeater MR801B Power CONTENTS OF DELIVERY Qty Repeater MR801B Power Qty User’s manual for Repeater MR801B Power ( Id.-No. 151111 ) Qty Assembly guide for modification kits Qty Set of test protocols consisting of an electrical acceptance test protocol and a safety test protocol applying to the power supply Qty Spare 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 countersunk head screw M3.0x20 - 4 special nuts M4 Qty Wall mounting kit - 2 mounting brackets - 4 washers for M8 - 4 socket head cap screws M8.0x16 - 2 tire bolts Qty M0067A0A.doc Wall mounting sheet Id.-No 151111 Page 9 02-JUNE-99 User’s manual for Repeater MR801B Power HEALTH AND SAFETY WARNINGS F Note: F Note: F Note: F Note: F Note: M0067A0A.doc The electrical installation has to be performed in accordance with the safety regulations of the local authorities. Due to safety reasons the electrical installation must be performed by 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. The grounding 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. The Unit is heavy-weight. Make sure that a suitable mounting surface is used. Only adequate manpower is allowed to handle the system. ESD precautions have to be observed! Before maintenance work use the available grounding system to connect ESD protection measures. Due to power dissipation the Repeater may heat up the air volume inside the cabinet and reach a very high temperature. Therefore the Repeater must be mounted in the vertical plane to a wall or a mast without additional enclosure to provide sufficient ventilation. Between the housing and the wall a minimum distance must be kept in order to provide air circulation. Id.-No 151111 Page 10 02-JUNE-99 User’s manual for Repeater MR801B Power PREAMBLE In cellular systems, Repeaters are used to enhance the influence of a base station in regions where, due to topological conditions, poor field strengths disable communication. MIKOM is a leading manufacturer of Repeaters. They provide excellent electrical characteristics, they are light-weight and easy to install. Hence, the MIKOM Repeater is the preferred solution. Your Repeater has been built using high reliable materials. A comprehensive quality assurance has been applied to all fabrication steps. This secures constant quality of the product. Every 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 MR801B Power contact your local sales office ( see table 1-1 List of international sales offices ) or MIKOM directly at the following address: MIKOM GmbH Industriering 10 86675 Buchdorf Germany Tel: +49 (0) 9099 6 90 Fax: +49 (0) 9099 69 31 email: sales@mikom.com http://www.mikom.com Under consideration of all references given in this manual, the Repeater should be taken into service without any complications and should operate trouble-free for a long time. M0067A0A.doc Id.-No 151111 Page 11 02-JUNE-99 User’s manual for Repeater MR801B Power LIST OF INTERNATIONAL SALES OFFICES Allen Telecom Allen Telecom ( Australia ) Forem France P/L 30500 Bruce Industrial Parkway PO Box 903 Z.I. des Ebisoires Cleveland, Ohio 44 139-3996 Bankstown NSW 2200 78370 Plaisir USA Australia France Phone: +1 ( 216 ) 349-8657 FAX: +1 ( 216 ) 349-8408 Phone: +61 ( 2 ) 9793-9644 FAX: +61 ( 2 ) 9793-9747 Phone: +33-1-30-79-15-30 FAX: +33-1-30-55-55-37 FOREM S.p.A. AT Singapore AT China Via Archimede N. 22/24 20041, Agrate Brianza Milan Italy 80 Marine Parade Road #19-1 Parkway Parade Singapore 449269 CITIC Building, # 11-05 19 Jiangguomenwai Avenue Beijing China 100004 Phone: +39-39-605-41 FAX: +39-39-605-4477 Phone: +65-345-8022 FAX: +65-345-8033 Phone: +86-10-6508-3088 FAX: +86-10-6508-3066 AT Canada FOREM UK AT Hong Kong 1815 Ironstone Manor, # 12 Pickering, Ontario L1W 3W9 Canada Unit D Castle Industrial Park Pear Tree Lane Newbury, Berkshire U.K. RG 14 2EZ 1603 Remington Certer, 23 Hung to road, Kwun Tong, Kow Loon Hong Kong Phone: +1 ( 905 ) 839-3474 FAX: +1 ( 905 ) 839-4663 Phone: +44-1635-569-695 FAX: +44-1635-569-463 Phone: +852-2389-1844 FAX: +852-2389-4864 AT India B-256 Ground Floor. Chittaranjan Park New Delhi 110019 Phone: +91-11-696-3918 FAX: +91-11-652-1648 table 1-1 List of international sales offices M0067A0A.doc Id.-No 151111 Page 12 02-JUNE-99 User’s manual for Repeater MR801B Power 1 Introduction 1.1 Intended purpose Cellular telephone systems transmit signals in two directions between base stations and mobile telephones within the signal coverage area. If weak signal transmissions occur within the coverage area because of indoor applications, topological conditions or distance from the transmitter, a Repeater is used to extend transmission range. In the downlink path the Repeater picks up the signal from a donor antenna of an existing cell, amplifies and re-transmits it into the desired dark spot. In the uplink direction the Repeater receives signals from mobile stations present in its coverage area and re-transmits them to the corresponding base station. 1.2 About the MR801B POWER MIKOM’s MR801B POWER is available as a band or channel selective 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 repeater modules in order to create a multi-band repeater system. Modules operating in PCS1900, GSM1800, GSM900, or iDEN bands are available. When different modules are combined a common antenna and control interface are available. The MR801B POWER can be set-up locally or remotely. A PCMCIA slot for modem operation is an available option. The repeater has a large number of functions that can be monitored and changed by the operators via a terminal emulation program or the MIKOM OMC software platform. An easy to understand and simple to learn communication language is available to help the operator query status reports from the repeater or to change settings. M0067A0A.doc Id.-No 151111 Page 13 02-JUNE-99 User’s manual for Repeater MR801B Power 2 Functional description The 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 M0067A0A.doc Id.-No 151111 Page 14 02-JUNE-99 User’s manual for Repeater MR801B Power 2.1 General The Repeater consists of two amplifier chains, which are connected antiparallel. The receive path of one direction is connected to the transmit path of the other direction by a frequency separation unit, in the following denominated as a duplexer, which combines both signals to an antenna (See chapter 2.5). After the duplexer the signals get to a pre-amplifier and afterwards to an RF module (See chapter 2.2). Then the signals are combined by the active combiner (See chapter 2.6) and afterwards amplified by the feed forward amplifier (See chapter 2.9), which provides the required output power. After the final amplifier a power detection measures 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 selective filters, and run through a digital controllable attenuator. The attenuation can be set in steps of 2 dB, locally or remotely. By using the same synthesizer frequency, that was used to convert the signals down to intermediate frequency, the intermediate frequency is mixed up to the original frequency. The synthesizer is controlled via an I²C-Bus. In case of a breakdown in mains, gain and frequency data are non-volatile stored in an EEPROM on board. See figure 2-2 Top view of an RF module for an exemplary channel or band module. M0067A0A.doc Id.-No 151111 Page 15 02-JUNE-99 User’s manual for Repeater MR801B Power figure 2-2 Top view of an RF module M0067A0A.doc Id.-No 151111 Page 16 02-JUNE-99 User’s manual for Repeater MR801B Power 2.3 Mother board The function of the mother board is the communication between the RF modules and the control module via the I²C-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 M0067A0A.doc Id.-No 151111 Page 17 02-JUNE-99 User’s manual for Repeater MR801B Power 2.4 Control module SM 2009 The control module SM 2009 is a DOS compatible micro computer. The whole communication between the operator and the Repeater can be done via the control module. By using either the RS232 interface in connection with a modem card and a mobile the Repeater can be controlled remotely or locally by using a VT100 terminal, i.e. a PC emulating the VT100 terminal. Frequency and gain, power down of RF stages and ALC can be 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 I²C-Bus system. The I²C-Bus concept was developed by Philips for the serial connection of integrated circuits within one device. Two wires, SDA - serial data and SCL - serial clock, carry information between the devices connected to the bus. Each device is recognized by a unique address and can operate either as transmitter or receiver. All MR801B Power configuration parameters are stored in an EEPROM on the control module if a power supply failure occurs. figure 2-4 Top view of the control module M0067A0A.doc Id.-No 151111 Page 18 02-JUNE-99 User’s manual for Repeater MR801B Power 2.5 Duplexer The task of the duplexer is to isolate uplink from downlink, 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 824 - 849 MHz DL frequency 869 - 894 MHz Duplexer with connector to mobile side 30 dB coupler 20 dB coupler 30 dB coupler Duplexer with connector to BTS side figure 2-5 Top view of the duplexers M0067A0A.doc Id.-No 151111 Page 19 02-JUNE-99 User’s manual for Repeater MR801B Power 2.6 Active combiner After passing through the RF modules, the signals will be combined by the active combiner module in the UL and in the DL path. The active combiner will be followed by the feed forward amplifier. figure 2-6 Top view of the active combiner 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, while an antenna or a dummy load may be connected. The position of the couplers on the duplexers is shown in figure 2-5 Top view of the duplexers. M0067A0A.doc Id.-No 151111 Page 20 02-JUNE-99 User’s manual for Repeater MR801B Power 2.8 Power supply For the MR801B Power four power supplies are necessary. Power supplies are available with different mains power. See list below for available power supplies. • 115 VAC ± 15% / 40 - 65 Hz • 230 VAC ± 15% / 40 - 65 Hz • 185 - 320 VAC / 40 - 65 Hz • 24 VDC • 42 to 60 VDC • 80 to 130 VDC The following figure shows the mounting position of the power supplies in the MR801B Power cabinet. power socket (service connector) 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 power socket, however, is still provided with mains power. See figure 2-8 ON / OFF position of external switch. M0067A0A.doc Id.-No 151111 Page 21 02-JUNE-99 User’s manual for Repeater MR801B Power figure 2-8 ON / OFF position of external switch F Note: To switch the whole Repeater 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 M0067A0A.doc Id.-No 151111 Page 22 02-JUNE-99 User’s manual for Repeater MR801B Power 3 Functions and features 3.1 Band and channel selectivity The selectivity is achieved by highly selective filters in the IF part of the band / channel modules. 3.2 Gain setting The gain can be changed by introducing attenuation into the amplifier chain. By using a rotary switch the attenuation can be adjusted locally in the range from 0 dB to 30 dB maximum 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. long hole figure 3-1 Position of rotary switches For remote control an RS232 interface can be used to set the gain. The functions of the control module may be used locally by means of a VT100 terminal or a personal computer emulating the VT100 terminal. See also chapter 7.2, which deals with settings of operational parameters. M0067A0A.doc Id.-No 151111 Page 23 02-JUNE-99 User’s manual for Repeater MR801B Power 3.3 ALC In order to protect the amplifiers from overload and to prevent the system to generate spurious emission, the amplifiers have an Automatic Level Control, designed to limit the output power to a defined level. A part of the output power is rectified, amplified and used to control an attenuator network. In order to avoid oscillation, the control amplifier has an integrating characteristic, so that a step function response obtains a delayed rise and decay. FNote: The ALC protects 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 lock and the temperature of the Repeater are monitored. There are three multicoloured LEDs mounted on the control module. The LED L3 indicates the presence of electrical power of +12VDC in the Repeater. Every alarm is indicated by the failure LEDs, L1 and L2. Position of the LEDs on the control module is shown in the following figure. figure 3-2 Position of failure LEDs M0067A0A.doc Id.-No 151111 Page 24 02-JUNE-99 User’s manual for Repeater MR801B Power All alarms can be checked by typing the ‘STATUS HIST’ command. Minor alarms with no influence on the system can be cancelled by typing the ‘ALARMACKN’ command, e.g. ALC active, VSWR or door open. The following print screen illustrates a possible ‘STATUS HIST’ report figure 3-3 Status hist report In case a hardware failure is detected the concerning 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 acknowledge the alarm message by a simple ring back and after that he is able to request a detailed status report. The following list comprises all available alarms in the Repeater. These alarms may occur in the STATUS HIST list. M0067A0A.doc Id.-No 151111 Page 25 02-JUNE-99 User’s manual for Repeater MR801B Power NO. (7) 10 11 12 (13*) (14*) (15*) (16*) (17**) ** (...) ALARM NAME AMPLIFIER BIAS POWER SUPPLY 8 V POWER SUPPLY 12 V MAINS SYNTH DOOR VSWR ALC LITHIUM BATTERY VOLTAGE OVERTEMP INVALID LOGIN ATTEMPT I2C BUS EXT. ALARM 1 EXT. ALARM 2 EXT. ALARM 3 EXT. ALARM 4 EXT. BATTERY ALARM ACTIVE STATUS FAILURE FAILURE FAILURE FAILURE FAILURE OPEN ALARM FAILURE LOW FAILURE FAILURE FAILURE FAILURE FAILURE OVERTEMP. Alarm default settings changeable by software instruction SET ALIAS. This alarm 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 number will be dialled. If this should be unsuccessful as well, the call will be repeated after a pre-set delay. The delay time can be set by software. If the connection can be established the alarm message will be sent including date, time and Repeater Id.-number. In remote mode the alarm can be acknowledged by simply ringing back and typing ALARMACKN. M0067A0A.doc Id.-No 151111 Page 26 02-JUNE-99 User’s manual for Repeater MR801B Power If the reason for the alarm has been cleared or if the alarm should continue, a new alarm message will not be repeated. If there was an interruption of at least one second after acknowledgement, a new alarm message will be generated. 3.4.2 Status report Two instructions enable the operator to gain knowledge of the system status. Typing the GET command will be responded 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 and GET2 to see the second part. The complete listing of the dialogue language with the processor of the control module including the instructions to and the messages from the system is available as a separate manual. figure 3-5 Example of a GET1 report M0067A0A.doc Id.-No 151111 Page 27 02-JUNE-99 User’s manual for Repeater MR801B Power figure 3-6 Example of a STATUS report 3.4.3 Severity levels This parameter defines five severity levels for an alarm and can be set in the alarm mask (detailed description in the software manual). The severity levels indicate how the capability of the managed object has been affected. The levels are described below and are ordered from most severe to least severe: - Critical: The critical severity level indicates that a service affecting condition 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 restored. - Minor: The minor severity level indicates the existence of a non-service affecting fault condition and that corrective actions should be taken in order to prevent a more serious failure. Such a severity can be reported, for example, when the detected alarm condition is not currently degrading the capability of the managed object. M0067A0A.doc Id.-No 151111 Page 28 02-JUNE-99 User’s manual for Repeater MR801B Power - Warning: The warning severity level indicates the detection of a potential 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. M0067A0A.doc Id.-No 151111 Page 29 02-JUNE-99 User’s manual for Repeater MR801B Power 4 Optional equipment The following modules can be integrated as an option. 4.1 VSWR module VSWR signal is continually 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 M0067A0A.doc Id.-No 151111 Page 30 02-JUNE-99 User’s manual for Repeater MR801B Power The electrical connection has to be as follows. External alarm 1 (low active) External alarm 2 (low acitve) External alarm 3 (high active) External alarm 4 (high active) Ground Configuration: 5 V / 0.5 mA max. for open collector applications. All external alarms are normally high without connection. Due to the fact that the external alarms 3 and 4 are high active, they have to be connected to ground to prevent an alarm message. The factory-set response after typing the software command 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 EXTERNAL ALARM STATUS UPS alarm active Battery low ! UPS door open Battery door open or External alarms if the UPS is not active EXTERNAL ALARM STATUS UPS not active Battery OK UPS door closed Battery door closed For the DC wiring an additional cable bridge has to be installed on the control module (see figure 4-2 Cable configuration and installation position). M0067A0A.doc Id.-No 151111 Page 31 02-JUNE-99 User’s manual for Repeater MR801B Power Control module figure 4-2 Cable configuration and installation position 4.3 Modem The Repeater can be equipped with a modem for the operation of the Repeater via modem connection. This allows the operator to change settings and querry information of the Repeater remotly. See chapter 5.5 External RF output and chapter 7.2.3 Settings via modem for further information about the opional modem. 4.4 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 enough to support multiple dial out attempts via modem in case of ‘system engaged’ or other communication problems for at least ten minutes under normal environmental conditions. F Note: M0067A0A.doc This battery backup module is provided for the control module only. Id.-No 151111 Page 32 02-JUNE-99 User’s manual for Repeater MR801B Power The batteries are protected from deep discharge by use of a low voltage disconnect circuit. A local switch is provided to disconnect the battery backup system during maintenance to ensure that all circuits 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 underneath the modem mounting plate (see following figure). figure 4-3 Mounting position of batteries M0067A0A.doc Id.-No 151111 Page 33 02-JUNE-99 User’s manual for Repeater MR801B Power 5 Specification 5.1 Electrical specification Frequency range Uplink 824-849 MHz; Downlink 869-894 MHz Useable bandwidth 25 MHz in the upper or lower AMPS 800 band Gain 90 dB Gain variation over frequency and temperature* ±2.5 dB (±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 Environmental and safety See separate leaflet *: Normal temperature range +5° to +40°C; Extreme temperature range -33° to +50°C M0067A0A.doc Id.-No 151111 Page 34 02-JUNE-99 User’s manual for Repeater MR801B Power BAND AND CHANNEL SPECIFICATIONS Variable Bandwidth Channel CDMA TDMA 3 dB bandwidth 0.1 to 15.0 MHz 1.23 MHz 30 kHz Slope 3 dB to 30 dB 2 MHz 30 dB bandwith fc ± 900 kHz fc ± 60 kHz 50 dB bandwith fc ± 1.5 MHz fc ± 120 kHz Delay 6 µs < 6 µs 20 µs Delay variation (typical) ±150 ns ±500 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 -76 dBm/Hz -96 dBm/Hz Power consumtion (standby/max power) 1 module (typ.cons) 145/220 W 130/210 W 130/210 W 4 modules (typ.cons) 180/270 W 160/240 W 160/240 W Output noise in band at Gmax Output noise out of band at Gmax All data is subject to change without notice ! M0067A0A.doc Id.-No 151111 Page 35 02-JUNE-99 User’s manual for Repeater MR801B Power 5.2 Mechanical specification Standard cabinet Max. Height x Width x Depth: 21.1 x 18.2 x 7.9 inches 535 x 462.5 x 200 mm Volume: approximately 45 litres Weight: approximately 103 lbs (47 kg per unit in standard configuration) The illustration of chapter 11.1 provides the dimensions and the view of the layout. 5.3 Environmental and safety For detailed information refer to the environmental and safety specification leaflet for MIKOM indoor / outdoor cell enhancers, related to ETS 300019 (European Telecommunication Standard). Operating temperature (normal temperature range): (extreme temperature range): + 5° C ... + 40° C - 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 - 320 Vac 40 - 65 Hz • 24 Vdc • ±42 to ±60 Vdc • ±80 to ±130 Vdc A firmly installed mains cable 3x1.5 mm² is used, which is fed into the housing through a watertight cable gland. Due to safety reasons the power supply lead has to be protected by two 8 A fuses. Inside the Repeater, mains are connected to a screw terminal. M0067A0A.doc Id.-No 151111 Page 36 02-JUNE-99 User’s manual for Repeater MR801B Power See figure 5-1 Screw 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 M0067A0A.doc Id.-No 151111 Page 37 02-JUNE-99 User’s manual for Repeater MR801B Power The 7/16 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. M0067A0A.doc Id.-No 151111 Page 38 02-JUNE-99 User’s manual for Repeater MR801B Power 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 M0067A0A.doc Id.-No 151111 Page 39 02-JUNE-99 User’s manual for Repeater MR801B Power 6 Installation TX Downlink RX Uplink TX Uplink RX Downlink to/from Mobile Stations to/from BTS Repeater System TX Downlink RX Uplink TX Uplink RX Downlink Mobile BTS figure 6-1 System description M0067A0A.doc Id.-No 151111 Page 40 02-JUNE-99 User’s manual for Repeater MR801B Power 6.1 Mechanical installation Note: Due to power dissipation the Repeater may heat up the air volume inside the cabinet and reach a very high temperature. Therefore it is necessary to mount the Repeater in the vertical plane to a wall or a mast without additional enclosure to provide sufficient ventilation. Between the housing and the wall a minimum distance must be kept in order to provide air circulation. 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 a minimum distance between the wall and the Repeater housing. The cabinet must be fixed to the wall (brackets) with four screws. Check the correspondence of the wall mounting kit and the wall. F Note: M0067A0A.doc The weight of the MR801B Power is approximately 47 kg in standard configuration. Id.-No 151111 Page 41 02-JUNE-99 User’s manual for Repeater MR801B Power Mounting procedure: Dismount the mounting brackets first. They are screwed tight to the housing with four socket head cap screws M8.0x16 (see figure below) and two tire bolts. mounting brackets figure 6-2 Wall mounting brackets Use the wall mounting sheet to mark the position of the drilling holes. Drill 4 holes and screw the mounting brackets to the wall. Attach the upper two socket head cap screws M8.0x16 to the Repeater housing. Now it is possible to hang the Repeater into the mounting brackets. Fix then the 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 connections. The allowed bending radius of the connected cables must not be exceeded. Furthermore the Repeater shall be mounted in a way that there is free access to the individual units inside the cabinet, while the door of the Repeater is open. Therefore keep a clearance distance of 1 m on each side and 2 m below the unit. See following figure 6-3 Clearance distance. M0067A0A.doc Id.-No 151111 Page 42 02-JUNE-99 User’s manual for Repeater MR801B Power figure 6-3 Clearance distance M0067A0A.doc Id.-No 151111 Page 43 02-JUNE-99 User’s manual for Repeater MR801B Power 6.2 Electrical installation FNote: ESD precautions have to be observed! Before working inside the cabinet use the available grounding system to connect ESD protection measures. The electrical installation has to be performed in accordance with the safety regulations of the local authorities. Due to safety reasons the electrical installation must be performed by 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 cable will be mounted in the factory and will be delivered with the unit. Don’t use the grounding screw for connecting external devices. The complete grounding kit is part of the delivery schedule, see figure 6-4 Grounding kit. figure 6-4 Grounding kit M0067A0A.doc Id.-No 151111 Page 44 02-JUNE-99 User’s manual for Repeater MR801B Power 6.2.2 Power connection Before connecting electrical power to the Repeater grounding has to be performed. The Repeater is equipped with a firmly connected power cord 3 x 1.5 mm². Due to safety reasons the power supply lead of the Repeater has to be protected with two 8 A fuses, type MT. In the event the length of the power cord should not be sufficient it can be replaced by a longer cable. figure 6-5 Screw terminal F Note: If the power supply 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 operation of the system; otherwise changes in the electrical behaviour of the cable might occur which could cause malfunction of the Repeater system. F Note: M0067A0A.doc It is sufficient to fix the 7/16 antenna connectors hand-screwed. Any use of a tool (like tongs) might cause damage to the connectors and thus lead to malfunctioning of the Repeater. Id.-No 151111 Page 45 02-JUNE-99 User’s manual for Repeater MR801B Power 7 Setting to work 7.1 Preparation F Note: It is not allowed to operate the Repeater without termination of the antenna connections! The termination can be performed by the antenna connection as well as a dummy load or the 50-Ohm-terminated connection of a measuring instrument. Before bringing the Repeater system into service it is necessary to measure the antenna isolation. The Repeater system has its maximum available gain when the attenuation is set to zero. On site the maximum allowed gain is 15 dB less than the value of the antenna isolation. 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 modules inside of the Repeater, because this would lead to risk the success of warranty claims. After taking the Repeater into service following signals occur during the boot process. Internal LED L1 green red Flashes red short time Internal LED L2 green red Flashes red short time Internal LED L3 green Cause Power on state, Software boot starts Software boot starts Software is running table 7-1 LED indication M0067A0A.doc Id.-No 151111 Page 46 02-JUNE-99 User’s manual for Repeater MR801B Power 7.2 Setting of operational parameters Attenuation of the Repeater can be set manually by means of rotary switches, frequency can be set locally or remotely. There are three different possibilities to set the operational parameters: -manual settings by means of rotary switches -local control via RS232 interface and 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 switch (DIP-Switch 1) has to be changed from OFF to ON. The DIP-Switch is mounted on the control module, located on the left side of the Repeater. DIP-Switch 1 figure 7-2 Position of the DIP-Switch 1 M0067A0A.doc Id.-No 151111 Page 47 02-JUNE-99 User’s manual for Repeater MR801B Power 7.2.1.1 Setting of the attenuation The gain can be set by introducing attenuation into the amplifier chain. By using a rotary switch the attenuation can be adjusted locally in the range from 0 dB to 30 dB maximum 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 7-3 Position of the rotary switches). They can be adjusted easily by means of a small screwdriver. long hole figure 7-3 Position of the rotary switches A label on the RF module, located next to the rotary switch, illustrates the usage of the rotary switch (see figure 7-4 Rotary switches and label). M0067A0A.doc Id.-No 151111 Page 48 02-JUNE-99 User’s manual for Repeater MR801B Power figure 7-4 Rotary switches and label F Note: Gain can be changed independently for the uplink and downlink path. DIP-Switch configuration: DIP-Switch ON manual remote mode n.c. software download manually controlled OFF (default values) auto local mode n.c. 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. Therefore the DIP-Switch 2 has to be at position OFF. M0067A0A.doc Id.-No 151111 Page 49 02-JUNE-99 User’s manual for Repeater MR801B Power DIP-Switch 2 figure 7-6 DIP-switch 2 for local mode A VT100 terminal 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 9 contact SUB - D- Connector male PC PIN M0067A0A.doc Control Module SM2009 9 contact SUB - D- Connector male RS 232 MR801B Power PIN Id.-No 151111 Page 50 02-JUNE-99 User’s manual for Repeater MR801B Power The following communication mode between control module and VT100 is set initially. 9600 baud - 8 bit - no parity -1 stopbit These settings can only be changed after connection of the terminal. If all wanted settings have been initialized and a modem has to be used it will be recommended to check whether the settings comply with the capabilities of the modem and the 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 <.>TO LOGIN 1. Step: Type the two keys ( . ) FULLSTOP and (↵) ENTER You have to type the keys: 2. Step: ENTER PASSWORD You have to enter: M0067A0A.doc UserID1 ↵ The input is case sensitive, no blanks. After three mistrial follows disconnection. 3. Step: F Note: ↵ ENTER USER ID You have to enter: F Note: P-word1 ↵ The input is case sensitive, no blanks. After three mistrials follows disconnection. Id.-No 151111 Page 51 02-JUNE-99 User’s manual for Repeater MR801B Power 7.2.3 Settings via modem The Repeater can be equipped with a modem. If so, the repeater will be delivered with a preset init string. This init string was used for internal tests. In case no connection can be established check the local conditions and change the init string if necessary. The following list 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 offhook 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 service type to 9600 bps. Non-transparent connection (uses RLP) X3 Not waiting for dial tone; usually used at PABX. *P1 Switch ON phone &K4 Enables XON / XOFF flow control table 7-7 List of AT commands M0067A0A.doc Id.-No 151111 Page 52 02-JUNE-99 User’s manual for Repeater MR801B Power 8 Trouble shooting All Repeaters are factory-set to „Power down disabled“ status, this means the channel group is active. To switch off the channel group use the software command „PWRDOWN enabled“. (You find a detailed description in the software manual.) 8.1 Error indication l = LED on - = LED off Internal LED L1 green red Internal LED L2 green red Internal LED L3 green Cause No power. Check presence of power at the input; replace fuse according to chapter 9.3, check battery backup module Indicates a summary failure 8.2 Boot process Following signals occur during boot process. Internal LED L1 green red Internal LED L2 green red Internal LED L3 green Flashes red short time Flashes red short time M0067A0A.doc Id.-No 151111 Page 53 Cause Power on state, Software boot starts Software boot starts Software is running 02-JUNE-99 User’s manual for Repeater MR801B Power 8.3 Alarm monitoring with the STATUS HIST command Check alarms with ‘status hist‘ command. 1. If a hardware module is damaged, replace corresponding hardware module. 2. Minor alarms with no influence on the system can be cancelled by confirming the alarm with the ‘alarmackn’ command, e.g., ALC active, VSWR, RSSI or DOOR OPEN. 3. If all alarms have been acknowledged the summary 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 overwritten. Before you start a software download save the set values for: centre frequency attenuation ALC threshold • If an ALC or AMPBIAS alarm occurs during installation or commissioning an user error might be the cause, due to wrong measurements. M0067A0A.doc Id.-No 151111 Page 54 02-JUNE-99 User’s manual for Repeater MR801B Power 9 Maintenance 9.1 General F Note: The Repeater does not require preventative maintenance measures. It is only recommended to replace the RAM/RTC battery after three years usage as a prophylactic measure. The nominal lifetime of these batteries is five years under normal environmental conditions. In the event of a malfunction it is advantageous to check the status of the antenna systems as well as the continuity of the entire cabling including connectors, before replacing the modules. Maintenance on the Repeater shall be performed only by replacing modules. Soldering on printed circuit boards shall be avoided. In order to sustain warranty take 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 disconnected from mains. Open the lock at the connector panel and remove the cover plate. To open the housing use a Torx key and unscrew the four Torx screws. 9.2 Replacement of the fuses (mains) The mains cable is protected with two fuses F1 and F2 8A type MT. They are accessible inside of the Repeater at the fuse terminal on the right side. Open the screw plug for the fuse and take out the fuse. F Note: Use only fuses of the same type and the same rating when replacing! See figure 9-2 Fuse terminal for position of the 8A fuses. M0067A0A.doc Id.-No 151111 Page 55 02-JUNE-99 User’s manual for Repeater MR801B Power figure 9-2 Fuse terminal 9.3 Replacement of the power supply fuse Each power supply is protected with a fuse 10 A / 35 V. The fuse is mounted 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 Repeater from mains first. M0067A0A.doc Id.-No 151111 Page 56 02-JUNE-99 User’s manual for Repeater MR801B Power Remove the clamping profile at the outside of the housing by pulling at the mains cable. Open the PG9 threaded joint with a spanner size 17. Inside the housing remove the plastic cable clip by unscrewing the tallow-drop screw. Then use a small screwdriver and open the screws of the fuse terminal. Now the mains cable can be removed by pulling at the cable. For the installation of a new cable strip the isolation of a new cable to the length of 18 cm. Put the screw of the cable gland over the cable then use the joint rubber and pull it over the cable. This will guarantee a tight connection. Now insert the cable. Inside the housing pull an insulated tube with the length of 8 cm 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 battery is mounted on the left-hand side of the Repeater underneath the dummy battery backup module First remove the whole dummy battery backup module ( see figure 9-5 Position of dummy battery backup module ), which is plugged into the control module. Take off the Lithium battery by means of a small screwdriver, placed between the battery and the battery socket. The type of the battery is CR 2450 Lithium 3 V / 500mAh, manufacturer is RENATA. After replacement of the RAM battery, the control module has its basic settings, date and time have to be set to the actual value. M0067A0A.doc Id.-No 151111 Page 57 02-JUNE-99 User’s manual for Repeater MR801B Power dummy battery backup module RAM/RTC battery figure 9-4 Position of RAM/RTC battery F Note: Before replacing the battery, disconnect the Repeater from mains. Observe the rules for changing Lithium batteries. Wrong connection or treatment may result in bursting 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 module from the socket, release the three snap-in lockings. M0067A0A.doc Id.-No 151111 Page 58 02-JUNE-99 User’s manual for Repeater MR801B Power dummy battery backup module figure 9-5 Position of dummy battery backup module 9.7 Replacement of duplexers This description is valid for the one channel configuration of the Repeater only. For different configurations 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 will be delivered with a premounted amplifier. M0067A0A.doc Id.-No 151111 Page 59 02-JUNE-99 User’s manual for Repeater MR801B Power The cables have to be connected like shown below. figure 9-6 Cable configuration of the duplexers Unscrew the four counter sunk screws M3 at the connector panel of the Repeater. See figure 9-7 Connector panel layout. figure 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 the external filter box, pull the box carefully off and continue the dismounting procedure like described below. M0067A0A.doc Id.-No 151111 Page 60 02-JUNE-99 User’s manual for Repeater MR801B Power Unscrew six socket head cap screws by means of a hex socket key. Pull carefully by means of the mounting strap, fixed on the module (see figure 9-8 Top view of an RF module) and take off the modules. Socket head cap screws Mounting strap * *: TDMA and 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 modules dependent on the configuration of the Repeater. M0067A0A.doc Id.-No 151111 Page 61 02-JUNE-99 User’s manual for Repeater MR801B Power For the exchange of an RF module or the installation of a new RF module, the slave address of the synthesizer has to be set. This can be done by means of hex-coded rotary switches mounted on the lower side of the modules (figure 9-9 Position of hex coded rotary switches). Hex-coded rotary switch for DL Hex-coded rotary switch for UL figure 9-9 Position of hex coded rotary switches The synthesizer address must be set like shown in the following table: Address UL DL RF module Channel one Channel two Channel three Channel four 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 supply. Disconnect the flat cable. Remove the battery backup module and remove the Tyrap which is fixed to the control module. Disconnect the RS232 cable from the M1 modem if the Repeater is equipped with a modem. M0067A0A.doc Id.-No 151111 Page 62 02-JUNE-99 User’s manual for Repeater MR801B Power Take off the whole control module completely with mounting plate by unscrewing four tallow drop screws M4. For mounting proceed in reverse order. Position of the control module in the Repeater is illustrated 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 screwdriver placed between the plug and socket. ON Fuse 10A / 35V figure 9-12 Power supply M0067A0A.doc Id.-No 151111 Page 63 02-JUNE-99 User’s manual for Repeater MR801B Power The power supply is fixed to the Repeater housing by means of two special nuts M4. After loosen the screws the power supply can be removed. To open these screws a special key with a spherical head is required. Place a small screwdriver between the Repeater 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 connectors by means of a torque wrench. Unscrew two counter sunk screws M3x20mm. See figure 9-14 Position of counter sunk screws on active combiner M0067A0A.doc Id.-No 151111 Page 64 02-JUNE-99 User’s manual for Repeater MR801B Power counter sunk screws figure 9-14 Position of counter sunk screws on active combiner The cabling of the active combiners depends on the configuration of the Repeater. For correct connections see assembly guide for the channel 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 forward amplifier will be delivered with a premounted reset board. M0067A0A.doc Id.-No 151111 Page 65 02-JUNE-99 User’s manual for Repeater MR801B Power Reset board figure 9-15 Position of the feed forward amplifier reset 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) M0067A0A.doc Id.-No 151111 Page 66 02-JUNE-99 User’s manual for Repeater MR801B Power figure 9-16 Position of feed forward amplifiers (4-channel Repeater) M0067A0A.doc Id.-No 151111 Page 67 02-JUNE-99 User’s manual for Repeater MR801B Power 10 Spare parts list The following list contains all parts available for the MR801B Power . The configuration of the delivered unit meets the requirements of the customer and can differ depending on the state of delivery. Designation Id.-No. Assembly drawing Assembly drawing RF - cable plan Mounting material Basic Module TDMA Extension Module TDMA Basic Module CDMA Extension Module CDMA Basic Module var. BW Extension Mod. var. BW PCS-Duplexer DL Input 824.04 - 848.97 MHz * PCS-Duplexer UL Input 824.04 - 848.97 MHz * Feedforward Amplifier 824 - 849 MHz Feedforward Amplifier 869 - 894 MHz Power Supply 230 Vac ±15% 14 - 65 Hz Ger plug Power Supply 230 Vac ±15% 14 - 65 Hz UK plug Power Supply 230 Vac ±15% 14 - 65 Hz no plug Power Supply 24Vdc no plug Power Supply 185 - 320 Vac 40 - 65 Hz no plug Power Supply 115 Vac ±15% 40 - 65 Hz USA plug Power Supply ±42 - ±60 Vdc no plug Power Supply ±80 - ±130 Vdc no plug SW MOB100 V1.10 Control Unit SM2009 SW REP1007 V1.12 SW REP1009 V1.04 Manual REP1007 V1.11 Manual REP1009 V1.xx Dummy Battery Backup Module Battery Backup Module Sparepart Kit Wall mounting Kit Main Board 26V version Main Board 26V version Active Combiner DL 869 - 894 MHz Active Combiner UL 824 - 849 MHz Termination Resistor Ready-made cable AC 149952 150563 150521 148712 148710 148713 148709 148715 148944 148333 148334 148629 148630 138305 142832 144306 145504 148812 141230 144946 145524 143055 143051 145488 147127 145956 148964 143750 143052 146200 146179 149778 149777 148687 148688 33167 143606 M0067A0A.doc Id.-No 151111 Page 68 02-JUNE-99 User’s manual for Repeater MR801B Power Ready-made cable DC Ready-made cable DC female headers 6 contacts 4 External Alarms option Kit Adapter 7/16 male N female RF Gland / SMA to N Mother board Manual for MR801B Power Assembly guide for modification kits Modification Kit for one channel Modification Kit for two channels Modification Kit for three channels Modification Kit for four channels 149648 150753 147710 112425 150615 147024 151111 151045 149917 149918 150529 149920 *: Duplexers are labeled refering to the UL frequency table 10-1 Spare parts list M0067A0A.doc Id.-No 151111 Page 69 02-JUNE-99 User’s manual for Repeater MR801B Power 11 Appendix 11.1 Installation drawing of the Repeater figure 11-1 Installation drawing of the Repeater M0067A0A.doc Id.-No 151111 Page 70 02-JUNE-99 User’s manual for Repeater MR801B Power 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) M0067A0A.doc Id.-No 151111 Page 71 02-JUNE-99 User’s manual for Repeater MR801B Power 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) M0067A0A.doc Id.-No 151111 Page 72 02-JUNE-99 User’s manual for Repeater MR801B Power 11.4 One channel configuration – cabling and block diagram figure 11-4 Cabling of one channel Repeater M0067A0A.doc Id.-No 151111 Page 73 02-JUNE-99 User’s manual for Repeater MR801B Power figure 11-5 Block diagram of one channel Repeater M0067A0A.doc Id.-No 151111 Page 74 02-JUNE-99 User’s manual for Repeater MR801B Power 12 Index Abbreviations 8 Active combiner 20, 64 Address of MIKOM 11 Alarm monitoring 54 Alarms Acknowledgement of 26 External alarms 30 Handling of 26 Indication of 24 List of all alarms 26 ALC 24 Antenna connectors 37, 45 Antenna isolation 46 AT commands 52 Feed forward amplifier 22 Gain Local settings 23, 48 Setting via PC 49 Grounding 44 Health and safety warnings 10 I²C-Bus 18 Ident numbers 68 Installation Electrical 45 Mechanical 41 Interfaces 18 RS232 18 International sales offices 12 Battery backup 32 BITE 24 Boot process 53 Channel Setting via PC 49 Clamping profile 57 Connector types 7/16 female 38 N female 39 Contents of delivery 9 Control module 18 LEDs 24 Local settings 47 Maintenance 55 Measurements of VSWR signals 30 Modem 51 Mother board 17 Mounting brackets 42 DIP-Switch 49 Dummy battery backup module 58 Duplexer 15, 19, 59 EEPROM 18 Environmental and safety 36 ESD precautions 11 M0067A0A.doc Optional modules 30 Output DL external 39 Id.-No 151111 Page 75 02-JUNE-99 User’s manual for Repeater MR801B Power To set the gain 48 Power supply 21 Replacement of 64 Setting of operational parameters 47 Setting to work 46 Severity levels 28 RAM / RTC battery 57 Remote control 23 RF module 60 Rotary switch M0067A0A.doc Test probes 20 Trouble shooting 53 Id.-No 151111 Page 76 02-JUNE-99
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