Mini repeater dual- / triple-segment and dual-band (23 pages)
Summary of Contents for Andrew Node G Series
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User’s Manual Node G Network Elements ID No: 7164491 Page 1...
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All information contained in this manual has been revised thoroughly. Yet Mikom An Andrew Company accepts no liability for any omissions or faults. Mikom An Andrew Company reserves the right to change all hard- and software characteristics without notice. Names of products mentioned herein are used for identification purposes only and may be trademarks and/or registered trademarks of their respective companies.
TABLE OF CONTENTS 1. GENERAL 1.1. ABBREVIATIONS 1.2. HEALTH AND SAFETY WARNINGS 1.3. PREAMBLE 1.4. INTERNATIONAL CONTACT ADDRESSES 2. INTRODUCTION 2.1. PURPOSE 2.2. THE NODE G NETWORK ELEMENT 2.3. QUICK START CHECKLIST 3. INSTALLATION 3.1. MECHANICAL INSTALLATION 3.1.1. General 3.1.2. Wall Mounting Procedure 3.1.3.
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User’s Manual for Node G Network Elements 5. MAINTENANCE 5.1. GENERAL 5.2. REPLACEMENT OF COMPONENTS 5.2.1. Power Supply 5.2.2. Battery Pack 5.2.3. Status LED 6. ILLUSTRATIONS 6.1. CABINET DRAWINGS 6.2. LAYOUT 7. SPECIFICATIONS 7.1. MAIN UNIT 7.1.1. Electrical Specification 7.1.2. Mechanical Specification 7.1.3.
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FIGURES AND TABLES figure 3-1 Positions of drilling holes ................18 figure 3-2 Wall mounting procedure................19 figure 3-2 Wall mounting procedure, door opening radius ........19 figure 3-3 Pole mounted units................... 20 figure 3-4 Back-to-back pole mounting ..............21 figure 3-5 Grounding bolt of Main and Extension Unit ..........
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User’s Manual for Node G Network Elements table 1-1 List of international contact addresses............11 table 3-1 Required length of thread-bolts ..............20 table 3-2 Components of pole mounting kit .............. 21 table 4-1 Initstrings for a GSM modem ..............36 table 4-2 Pin assignment of relay contacts ...............
1 General 1. GENERAL 1.1. ABBREVIATIONS Analogue to Digital Converter Automatic Gain Control Automatic Level Control ARFCN Absolute Radio Frequency Channel Number BCCH Broadcast Control Channel Base Transceiver Station CDMA Code Division Multiple Access Digital to Analogue Converter Distributed Antenna System Digital Channel Module D-ICE Digital Interference Cancellation Equipment...
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User’s Manual for Node G Network Elements Short Message Service SNMP Simple Network Management Protocol Transmitter User Equipment Uplink UMTS Universal Mobile Telecommunication System Uninterruptible Power Supply Universal Time Coordinate UTRA UMTS terrestrical radio access Voltage Controlled Oscillator VSWR Voltage Standing Wave Ratio WCDMA Wide-band Code Division Multiple Access M0121A2A.doc...
1 General 1.2. HEALTH AND SAFETY WARNINGS 1. Only suitably qualified people are allowed to work on this unit and only after becoming familiar with all safety notices, installation, operation and maintenance procedures contained in this manual. 2. Read and obey all the warning labels attached to the unit. Make sure that the warning labels are kept in a legible condition and replace any missing or damaged labels.
Network Elements 1.3. PREAMBLE Mikom An Andrew Company is a leading manufacturer of coverage equipment for mobile radio networks, specializing in low cost, high performance, radio frequency (RF) and optical repeaters. Our optical distributed networks and RF repeater systems provide coverage for every application: outdoor use, indoor installations, tunnels, subways and many more.
2 Introduction 2. INTRODUCTION 2.1. PURPOSE Wireless communication systems provide a two-way information transfer (voice and data) between a base station and multiple mobiles within a given area. Environmental variables such as physical structures both man-made (buildings) and natural (mountains) attenuate signals in the transmission path, which reduce the transport signal’s strength.
User’s Manual for Node G Network Elements 2.3. QUICK START CHECKLIST Read the health and safety warnings in chapter 1.2 Health and Safety Warnings. Setting up the Node G is quick and easy. The following step-by-step procedure provides a quick overview for a correct setup and optimization. a.
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2 Introduction Login to the unit and follow the installation wizard option for easy installation. Optimize the donor antenna performance. To select the channels for enhancement, choose between the “Measurement Assisted Channel Assignment” or “Unassisted Channel Assignment” from the Setup Wizard page. Enter the desired output power in the downlink.
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User’s Manual for Node G Network Elements For your notes: M0121A2A.doc Page 16...
3 Installation 3. INSTALLATION 3.1. MECHANICAL INSTALLATION 3.1.1. General Read the health and safety warnings in chapter 1.2 Health and Safety Warnings. 1. Do not install the unit in a way or at a place where the specifications outlined in the Environmental and Safety Specifications leaflet of the manufacturer are not met.
User’s Manual for Node G Network Elements 3.1.2. Wall Mounting Procedure • Check the wall mounting kit and the wall to determine their suitability. • The maximum distance between the Node G Main Unit and Extension Unit is 1000 mm. •...
3 Installation Note: Ensure that there is free access to the electrical connections as well as to the cabinet. The approved bending radius of the connected cables must not be exceeded. • Drill four holes (four per unit) at the marked positions and insert dowels*. The dowels are not part of the delivery (and thus not illustrated in the figure) since the suitable type depends on the on-site conditions (the material of wall).
User’s Manual for Node G Network Elements 3.1.3. Pole Mounting Procedure The following figure illustrates the pole mounting option back-to-back. figure 3-4 Pole mounted units Before starting the mounting procedure, check the pole diameter of the pole to which the units will be installed. Then, cut the thread-bolts (see table 3-2 Components of pole mounting kit, pos.
3 Installation The pole mounting kit 'back-to-back' consists of the following parts in different quantities: Part Pole mounting brace Washer DIN 9021 – 8.4 Nut M8 DIN 934 Spring ring DIN 127 – A8 Thread-bolt M8 Washer M8 DIN 125 table 3-2 Components of pole mounting kit The numbers in the above table refer to the numbering of the components in the following figure.
User’s Manual for Node G Network Elements 3.2. ELECTRICAL INSTALLATION 3.2.1. General Read the health and safety warnings in chapter 1.2 Health and Safety Warnings. 1. This unit contains dangerous voltages. Loss of life, severe personal injury or property damage can be the result if the instructions contained in this manual are not followed.
3 Installation 3.2.2. Grounding Grounding the Node G and Extension Unit is mandatory. Connect an earth bonding cable to the grounding connections provided at the cabinets of both the Node G and Extension Unit according to the following illustrations. Do not use the grounding connections to connect external devices. figure 3-6 Grounding bolt of Main and Extension Unit figure 3-7 Grounding a unit The PE cables must have a minimum cross section of 10mm...
User’s Manual for Node G Network Elements 3.2.3. Power Connection Before connecting electrical power to the units, the system must be grounded as described in the previous chapter. Mains power must be connected at the mains connector. The power supply plug is included with the Node G.
3 Installation 3.2.4. Connection of the Antenna Cables The Node G’s antenna connectors are 7/16 female (optionally equipped with an N female adapter). All connectors are located at the bottom of the cabinet. An operator should refer to the documentation of the cable connector manufacturer for best mating procedures.
User’s Manual for Node G Network Elements 3.2.5. Opening the Cabinet - Mains Power Switch Read the health and safety warnings in chapter 1.2 Health and Safety Warnings and observe the following step-by-step procedure. • Do not operate the Node G without terminating the antenna connectors. The antenna connectors may be terminated by connecting them to their respective antennas or to a dummy load.
3 Installation Note: Before closing the unit, make sure that the mains power switch inside is set to ON. figure 3-13 Position of mains power switch ID No: 7164491 Page 27...
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User’s Manual for Node G Network Elements For your notes: M0121A2A.doc Page 28...
4 Functional Description 4. FUNCTIONAL DESCRIPTION 4.1. DIGITAL ARCHITECTURE Shared Shared Channel 1 Digital Path Duplexer and LNA PA and Duplexer Up Converter LO Channel 1 Down Converter Channel 1 Up Converter Front End AGC_2 AGC_1 AGC_3 Down Converter Module 2-4 NSB DSP &...
User’s Manual for Node G Network Elements Using a Node G x30 as an example, the following figure illustrates the positions of the RF components inside the Node G. Digital channel module with integrated controller DL final amplifier Power supply unit Duplexer with LNA Duplexer UL IN...
4 Functional Description 4.2. FEATURES 4.2.1. Digital Channel Filters Each filter of the both channels selects a special channel from the GSM/EGSM frequency band. Filters are set automatically according to the channels set in “Setup Wizard” or “Technician Setup”. For further information about these menus refer to the User's Manual for Node G Software.
User’s Manual for Node G Network Elements 4.2.4. Voltage Standing Wave Ratio (VSWR) This feature enables the provider to query the status of the antenna system (antenna and cable). The voltage standing wave ratio of the DL output antenna port is measured.
4 Functional Description 4.3. COMPONENTS - MAIN AND EXTENSION UNIT The current configuration can be seen at the configuration list, which is part of the delivery and additionally as an electronic list accessible via software. Modem Digital channel module Downlink final amplifier Battery Pack LEDs Power supply unit...
User’s Manual for Node G Network Elements 4.3.1. Downlink Final Amplifier For the Node G x30 an MCPA (multi carrier power amplifier) is used. This is an error-correcting feed-forward amplifier. It has a high output power while maintaining superior intermodulation and linearity performance. figure 4-4 Node G x30 MCPA DL final amplifier For the Node G x38 an SCPA (single carrier power amplifier) is used.
4 Functional Description 4.3.2. Power Supply Unit The power supply unit is mounted in the door of the Main Unit. This device transforms mains power into a predefined DC voltage. When performing maintenance, ensure that all circuits are voltage-free and that the Node G is disconnected from mains.
User’s Manual for Node G Network Elements 4.3.3. Modem The modem is used to establish a remote connection to the Node G. The connection may be used to change the unit’s parameters, check and clear alarms or collect measurement and quality statistics. Furthermore, the modem is at the Node Gs request to alert the operator when there is an alarm.
4 Functional Description 4.3.3.2. Wireless Modem The wireless modem allows remote control and maintenance of the Node. Parameters may be changed; alarm and measurement statistics may be acknowledged and collected in the OMC. The modem is installed in the sidewall of the unit.
User’s Manual for Node G Network Elements 4.3.4. Digital Channel Module (DCM) The task of the digital channel module (DCM) is to filter and amplify any signals passing through it. In addition it takes measurements of the input and output signals and decodes the air interface to ensure proper setup and operation.
4 Functional Description 4.3.4.1. Establishing a Local Connection from Laptop or PC figure 4-10 Establishing a local connection from laptop or PC to the DCM of the Main Unit To establish a local connection from laptop or PC to the Main Unit, plug the cable in the DCM.
User’s Manual for Node G Network Elements 4.3.5. Battery Pack In case power fails, a battery backup system for controller and modem has been implemented. This provides enough power for the controller that is integrated into the DCM and the modem to operate for a limited period of time (battery backup time). Within this time, the Node G will initiate a call to the OMC and alert the operator that power has been lost.
4 Functional Description 4.3.5.1. Battery On/Off A pushbutton on the EAC-card is employed to disconnect the battery pack from the controller. This forces a hard reset of the system. Once disconnected, the power to the controller will not be restored until the +24V supply is again operational.
User’s Manual for Node G Network Elements 4.3.6. UL and DL Duplexer The duplexer is used to isolate the uplink from the downlink, i.e. to separate the transmitting path from the receiving path. The pass band of the duplexer is the full band (EGSM).
4 Functional Description 4.3.7. External Alarm Controller - EAC-card The EAC circuit card is used as communication interface between the Main and Extension Units as well as general purpose housekeeping functions of the Main or Extension unit. These functions are: - collection of the external alarms;...
User’s Manual for Node G Network Elements 4.3.7.1. LEDs Three LEDs are included on the EAC-card of the Main Unit. They are controlled via the I C bus. The colors and illumination functions are: shows a permanent red light when the LED 3 power of a connected Extension Unit is bad.
4 Functional Description 4.3.7.2. External Alarms The external alarms are used to monitor the status of one or more external devices via the Node G. A UPS or entry alarm is among the items that might be connected to the contact relay and monitored via the Node G. The cage clamp connectors are located on the EAC-card.
User’s Manual for Node G Network Elements 4.3.7.3. Summary Alarm The summary alarm is a DC potential-free contact relay. Observe that the cross-sectional area of the wires to be connected must be in the range from 0.14 - 1.5 mm Pin No.: figure 4-22 Summary alarm relay The following table indicates the three-connector pin out.
5 Maintenance 5. MAINTENANCE 5.1. GENERAL Read the health and safety warnings in chapter 1.2 Health and Safety Warnings. Note: The Node G does not require any preventative maintenance measures. It is only recommended to replace the battery pack of the battery backup option after two years of usage as a preventive measure.
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User’s Manual for Node G Network Elements Use an appropriate tool to fasten and unfasten these. Do not over tighten the connectors or screws. The table below shows various screws with their respective torques. Screw Type Tallow-Drop Socket Head Cap Countersunk Head Thread Size Specified Torque (in Ncm)
5 Maintenance 5.2.1. Power Supply • To remove a power supply, first disconnect all cables. • Unscrew the five captive M4 socket head cap screws (for the current version) and/or seven M4 socket head cap screws (for the former version) by which each power supply is fastened to the cabinet.
User’s Manual for Node G Network Elements 5.2.2. Battery Pack figure 5-2 Battery connection to DCM • Before removing the battery, disconnect the battery cable from DCM. • Loosen the elastic band in the middle of the battery pack. • To install the new module, proceed in reverse order.
5 Maintenance 5.2.3. Status LED For local supervision, a status LED at the bottom of the node gives an indication of a summary alarm. The kit contains one alarm LED and three cables. This 2-colour provides visual equipment status information: Green Normal operation condition Summary alarm...
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User’s Manual for Node G Network Elements For your notes: M0121A2A.doc Page 52...
7 Specifications 7. SPECIFICATIONS 7.1. MAIN UNIT Note: For detailed information, refer to the Environmental and Safety Specifications leaflet of the supplier. 7.1.1. Electrical Specification Node G 930 supports 6 channels maximum, Node G 938 supports 4 channels maximum. Node G Type Description ID No.
User’s Manual for Node G Network Elements Node G Type Description ID No. 7162640 MU ID No. 7162642 MU Electrical Specification Far off selectivity (ultimate rejection), dBc Spurious emissions, dBm Power supply 90-265 Vac/40-60Hz 90-265 Vac/40-60Hz 150 baseline 335 @ 2 channels Power consumption, Watts plus 135 per dual 640 @ 4 channels...
7 Specifications 7.2. EXTENSION UNIT Note: For detailed information, refer to the Environmental and Safety Specifications leaflet of the supplier. 7.2.1. Electrical Specification Node G 930 supports 6 channels maximum, Node G 938 supports 4 channels maximum. Node G Type Description ID No.
User’s Manual for Node G Network Elements Node G Type Description ID No. 7162641 EU ID No. 7162643 EU Electrical Specification Spurious emissions, dBm Power supply 90-265 Vac/40-60Hz 90-265 Vac/40-60Hz 150 baseline 335 @ 2 channels Power consumption, Watts plus 135 per dual 640 @ 4 channels channel Standard...
7 Specifications 7.3. BATTERY PACK Battery Pack Battery type NiCd Battery capacity 600 mAh Nominal output voltage 12 V Backup time 5 - 8 minutes Charge time 4.5 hours Battery charge, HID, Major features battery voltage measurement trickle-charge mode All data is subject to change without notice. 7.4.
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User’s Manual for Node G Network Elements For your notes: M0121A2A.doc Page 62...
8 PARTS LISTs 8. PARTS LISTS 8.1. SOFTWARE - APPLICATION FILES Description Version ID No SW Config. Node G t.b.d. t.b.d. The manufacturer reserves the right to replace the parts listed above by equivalent substitutes! 8.2. MAIN UNIT The following lists contain all FRUs that are available for the Node G Main and Extension Unit.
User’s Manual for Node G Network Elements 8.3. EXTENSION UNIT Node G Type 930 EU 938 EU ID No. ID No. Description Node G 7162641 7162643 Bandpassfilter 925-960 35 MHz 7162428 Cable bridge AWG28 7164844 Combiner 128 208 800-960 7164018 Combiner 4-way 800-960 7164102 Coupler 815-960 3 dB...
9 Index 9. INDEX Mechanical ............17 International Contact Addresses ......11 Isolation ..............32 Abbreviations............7 Address of Mikom..........10 Alarm forwarding ..........32 Alarm LEDs Layout Description............44 Node G 930 ............. 54 Alarms Total..............33 LED Kit ..............51 External............
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User’s Manual for Node G Network Elements Mechanical............60 Specifications Main Unit Electrical ............57 Trickle-Charge Mode ..........44 Environmental..........58 Mechanical............58 Status Information ..........32 Summary alarm VSWR..............32 Pin assignment ..........46 Summary Alarm............ 46 M0121A2A.doc Page 66...
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