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Andrew Node C, User Manual

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6 Maintenance and Replacement 

 

 

Page 59

6. MAINTENANCE AND REPLACEMENT 

 
Read the health and safety warnings in chapter

 1.2 Health and Safety Warnings

. 

)

 

Note:  Node M and Node C do not require any preventative maintenance 

measures.  

)

 Note:  In case of a defect replace the entire repeater. When sending back 

the unit, use an appropriate packaging. We strongly recommend 
using the original packaging! 

 

7. ILLUSTRATIONS 

7.1. 

CABINET DRAWING 

 
The cabinet measures of the Nodes described in this manual are nearly identical. 
 
The following figure of a cabinet drawing exemplifies the proportions of Node M and 
Node C. 
 

 

figure 7-1 Cabinet of a Node M, respective Node C, exemplary 

 

 

Summary of Contents for Node C

Page 1: ...Repeaters Node M and Node C Network Elements User s Manual M0121A4A...

Page 2: ...lutions 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 regi...

Page 3: ...ETUP 19 3 1 SETTING UP A LOCAL LAN CONNECTION FROM LAPTOP PC 19 3 2 SETTING UP NODE M C REPEATER TO RUN AS A LAN ELEMENT 20 3 2 1 Prerequisites 20 3 2 2 Procedure 20 3 3 SETTING UP A REMOTE CONNECTION...

Page 4: ...4 VSWR Voltage Standing Wave Ratio 40 5 2 5 RSSI Receive Signal Strength Indication 41 5 2 6 Alarm Forwarding 41 5 2 7 Downlink Final Amplifier 42 5 2 8 Power Supply Unit 44 5 2 9 Modems 45 5 2 10 Di...

Page 5: ...5 1 Configuration of a network element 37 figure 5 2 RF path of a Node C 843 exemplary 38 figure 5 3 Node M C x37 MCPA DL final amplifier 42 figure 5 4 Node M 2143 and Node M 1943 MCPA DL final amplif...

Page 6: ...o DCM 55 figure 5 27 Position of the battery disconnect button on the EAC board 56 figure 5 28 Duplexer UL IN 57 figure 5 29 Duplexer DL IN 57 figure 5 30 Duplexers installed 57 figure 5 31 Duplexers...

Page 7: ...Standard ETSI European Telecommunication Standards Institute FCC Federal Communications Commission FRU Field Replaceable Unit GPRS General Packet Radio Service GSM Global System for Mobile Communicati...

Page 8: ...le Carrier Power Amplifier SDA Serial Data SMS Short Message Service SNMP Simple Network Management Protocol TS Transmitter UE User Equipment UL Uplink UMTS Universal Mobile Telecommunication System U...

Page 9: ...equirements the following antenna installation and device operating configurations must be satisfied A separation distance of at least 400 cm must be maintained between the antenna of this device and...

Page 10: ...ment settings are according to the intended use see also product information of manufacturer and regulatory requirements are met 15 Although the network element is internally protected against overvol...

Page 11: ...d cabinets RF site solutions signal distribution and network optimization Andrew Solutions has global engineering and manufacturing facilities In addition it maintains field engineering offices throug...

Page 12: ...America Caribbean region Andrew Solutions A CommScope Company Andrew Solutions Mexico Mail Av Com Camilo Julio 1256 Predio B Zonal Industrial CP 597 Sorocaba SP 18086 000 Brazil Mail Monte Elbruz 124...

Page 13: ...e 420 464 6280 80 Fax 49 9099 69 930 Fax 420 464 6280 94 E mail WIsupport andrew com E mail WIsupport andrew com Austria Switzerland Andrew Wireless Systems Austria GmbH Andrew Wireless Systems AG Mai...

Page 14: ...User s Manual for Node M and Node C Network Elements Page 14 M0121A4A doc For your notes...

Page 15: ...trum Their primary function is to increase the signal strength between multiple mobiles and a base station in areas where basic voice or high speed data transmission is not available They may be used...

Page 16: ...to have the following information at hand important on site conditions e g BTS location mains supply etc channels to be enhanced amplified pilot power to total power ratio data of mandatory fields of...

Page 17: ...link gain and click the Program button f Select the Connectivity and Upload button to setup the modem if applicable and to enter data in the other user fields see software manual g Select the Technici...

Page 18: ...User s Manual for Node M and Node C Network Elements Page 18 M0121A4A doc For your notes...

Page 19: ...work connector will flash No Colour Explanation 1 Yellow LED illuminates when a packet is transmitted by the DCM2 DL module 2 Green LED illuminates when a packet is received by the DCM2 DL module A st...

Page 20: ...ctivated if the main connectivity is set to LAN Please refer to the software manual For the connection of the Node to the LAN network please use the same type category of Ethernet cable as for the con...

Page 21: ...bled and the IP entry fields will become activated indicated by white colour Entry fields to set static IP white active grey deactivated For further details on IP address setting see software manual 8...

Page 22: ...User s Manual for Node M and Node C Network Elements Page 22 M0121A4A doc For your notes...

Page 23: ...to power dissipation the unit may reach a very high temperature Ensure sufficient airflow for ventilation Above and below the units a minimum distance of 300 mm to ceiling floor etc has to be kept Th...

Page 24: ...n of the drilling holes four per unit for the Node according to figure 4 1 Please observe that the figure always shows a pair of drill holes for each position Only drill one of each pair figure 4 1 Po...

Page 25: ...d to loosen the M10 hexagon head screws four per unit by which the mounting brackets are fastened to the cabinet sides Mount the mounting brackets to the screws and fasten them using the M8 washers lo...

Page 26: ...fore 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 4 2 Components of pole mounting kit pos 5 to the requi...

Page 27: ...ers in the above table refer to the numbering of the components in the following figure figure 4 4 Back to back pole mounting Dismount the mounting brackets from the cabinets of the units by loosening...

Page 28: ...User s Manual for Node M and Node C Network Elements Page 28 M0121A4A doc For your notes...

Page 29: ...and the unit 6 For unstable electric networks which frequently generate spikes it is advised to use a voltage limiting device 7 A connection of mains supply to a power socket requires the power socket...

Page 30: ...g connection provided at the outside of the remote unit Do not use the grounding connection to connect external devices figure 4 5 Grounding bolt After loosening the hex nut connect the earth bonding...

Page 31: ...must be connected at the mains connector The power supply plug is included with the Node M C The correct wiring of the power supply plug is as follows figure 4 6 Power supply plug figure 4 7 Mains con...

Page 32: ...tion Make sure to connect the correct voltage to the unit Note Do not connect or disconnect the power cord at the mains connector while power is on Turn off mains power before connecting the power cor...

Page 33: ...There are several issues to be considered when selecting the cable and antenna types Highly directional antennas with good front back ratios 40 dB is typical are recommended because they improve isola...

Page 34: ...mechanical commissioning and maintenance activities that require the unit to be powered on when open When opening the Node M C do not damage the warranty labels on the internal devices The warranty i...

Page 35: ...4 Installation Page 35 Note Before closing the unit make sure that the mains power switch inside is set to ON figure 4 11 Position of mains power switch...

Page 36: ...User s Manual for Node M and Node C Network Elements Page 36 M0121A4A doc For your notes...

Page 37: ...tion of a network element The Node M C is designed to amplify signals between multiple mobiles and a base station in a UMTS CDMA system The unit consists of a filter and amplifier chain in the downlin...

Page 38: ...the DCM with the primary path In the downlink path a signal originating from the base station is separated from the uplink signal in the DL IN duplexer It is then amplified by an integrated low noise...

Page 39: ...fer to the user s manual for Node software UMTS Possible filters are 5 5 MHz One UMTS channel One UMTS channel 5 2 2 Filters Node C Filters are set automatically according to the channels set in Setup...

Page 40: ...lement to be increased The required delay resulting from the on site conditions is measured by the DCM and set accordingly For software setting commands please refer to the online help screens The Dig...

Page 41: ...versity path both values will be combined before the RSSI evaluation Thus only one UL value is reported The current RSSI values can be checked in the Status and Reports menu accessible via the home pa...

Page 42: ...igh output power while maintaining superior intermodulation and linearity performance figure 5 3 Node M C x37 MCPA DL final amplifier For the Node M C x43 an MCPA multi carrier power amplifier with mo...

Page 43: ...5 Functional Description Page 43 figure 5 5 Node M C 843 DL final amplifier...

Page 44: ...r supply unit is mounted in the door of the Node This device transforms mains power into a predefined DC voltage When performing maintenance ensure that all circuits are voltage free and that the Node...

Page 45: ...It is possible to install the wireless modem or the PSTN modem on site Modem communication settings may only be changed locally Should a different modem be used the operator should ensure that the se...

Page 46: ...User s Manual for Node M and Node C Network Elements Page 46 M0121A4A doc figure 5 10 Modem AnyDATA iPORT EMIII Dual EM IV Dual figure 5 11 Modem Raven XT figure 5 12 Modem MTCBA C N9...

Page 47: ...tput is connected to the 20 dB modem coupler port of the DL IN duplexer or to the N female connector near to the BTS port to connect an external antenna figure 5 13 Cable from modem to donor duplexer...

Page 48: ...maintains a web server for local and remote communication This process is accomplished by both analogue and digital means In case the diversity option is equipped the module receives signals from both...

Page 49: ...for general purpose housekeeping functions of the Node The EAC circuit board is the main connection point for the user It has the external alarm clamps the connectors for local or modem connection as...

Page 50: ...s 8 1 Summary alarm terminal for pin assignment see chapter 5 2 11 4 Summary Alarm 9 Internal PSU and I2 C connection 10 Internal I2 C used for electronic door label memory board 11 Door switch connec...

Page 51: ...Connection from Laptop PC 3 Green DL PWR illuminates when the DL Power is Good and the DL is NOT in battery backup 4 Green UL PWR illuminates when the software on the UL sets a bit in the FPGA indicat...

Page 52: ...of the wires to be connected must be in the range from 0 5 1 0 mm2 Do not use wire end sleeves wire cable ends 2 n c 1 n c 4 GROUND 3 EXT_ALARM_3 6 GROUND 5 EXT_ALARM_2 8 GROUND 7 EXT_ALARM_1 10 PSTN_...

Page 53: ...elp Make sure that external alarms which are not required are set to active low or disable them otherwise the status will always show an alarm The names for each external alarm are user definable on t...

Page 54: ...onnected must be in the range from 0 14 1 5 mm2 Pin No 1 2 3 figure 5 23 Summary alarm relay The following table indicates the three connector pin out Pin No Contact Maximum Resistive Load 1 Open in a...

Page 55: ...er has been lost All other functions will cease to work in case of power failure The battery pack is protected from deep discharge When performing preventive maintenance make sure that all circuits ar...

Page 56: ...ard is implemented 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 28V supply is...

Page 57: ...band of the duplexer is the full band UMTS CDMA This allows the same Node M C to be used regardless of its operator s frequency plan The UL and DL duplexers have multiple outputs including the primar...

Page 58: ...User s Manual for Node M and Node C Network Elements Page 58 M0121A4A doc Ceramic duplexer DL IN figure 5 31 Duplexers installed ceramic duplexer DL IN...

Page 59: ...te In case of a defect replace the entire repeater When sending back the unit use an appropriate packaging We strongly recommend using the original packaging 7 ILLUSTRATIONS 7 1 CABINET DRAWING The ca...

Page 60: ...nual for Node M and Node C Network Elements Page 60 M0121A4A doc 7 2 LAYOUT OF THE NODE M C 843 The following figure is exemplifying the layout of a Node M C 843 figure 7 2 Layout of the Node M C 843...

Page 61: ...rnet Connector 19 External Alarm Controller 49 External Alarms 52 External Cable Glands 53 F Feed Forward Amplifier 42 Filters Node C Standard Feature 39 Filters Node M Standard Feature 39 G Grounding...

Page 62: ......

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