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044-05251 Rev B     

March

 2008

W I D E B A N D   R A D I O   H E A D

I N S T A L L A

      T I O N   A N D   S E R V I C E   M A N U A L

W R H

N E X U S   F T

  

 

 

 

 

Содержание NEXUS FT

Страница 1: ...044 05251 Rev B March 2008 W I D E B A N D R A D I O H E A D I N S T A L L AT I O N A N D S E R V I C E M A N U A L WRH NEXUS FT...

Страница 2: ...ration by end users or others requires carrier consent under FCC rules This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to CRF47 part 15 of the...

Страница 3: ...larify and provide additional information to assist the user WARNING The warning symbol means danger You are in a situation that could cause bodily injury or death Before you work on any equipment be...

Страница 4: ...Rev B Revision Record Revision Letter Date of Change Reason for Change Rev A November 2007 Initial Release Rev B March 2008 Renamed product to Nexus FT added new Chapter 1 Preface added text regarding...

Страница 5: ...iber Optic Node FON 1 4 Power Supply Unit PSU 1 4 Remote Control Unit RCU 1 4 Alarm Interface PCBA ALI and Remote Control Interface PCBA RCI 1 5 Chapter 2 Controls Indicators and Connectors Introducti...

Страница 6: ...sity A 1 Diversity A 2 List of Figures 1 1 Powerwave WRH Radio Head 1 1 1 2 DIA PCBA 1 3 1 3 CU PCBA 1 3 1 4 LNA 1 4 1 5 FOU in Nexus FT 1 4 1 6 Nexus FT Sub Unit Locations 1 5 1 7 Fiber Optic Star Co...

Страница 7: ...ables 2 1 CU PCBA LED Indicators 2 2 2 2 FON LED Indications 2 3 2 3 WRH Base Unit Connections 2 4 2 4 WRH Cover Unit Connections 2 4 2 5 DIA PCBA Connections 2 5 2 6 LNA Connections 2 6 2 7 FON Conne...

Страница 8: ...Table of Contents Nexus FT vi 044 05251 Rev B This page intentionally left blank...

Страница 9: ...ead being hit When working on a Nexus FT on high ground for instance on a mast or pole be careful not to drop parts or the entire Nexus FT Falling parts can cause serious personal injury All RF transm...

Страница 10: ...ly between 25dB and 35dB is determined by a standard with the purpose to protect base stations from noise and other performance dropping effects Radiation Exposure The World Health Organization WHO an...

Страница 11: ...r the printing date may be incorporated by a complete manual revision or alternatively as additions Overview Figure 1 1 Powerwave WRH Radio Head Powerwave Nexus FTs work as bi directional on frequency...

Страница 12: ...ersion The high cover can be used as an empty cover or be equipped as a part of the WRH or an independent WRH unit A WRH with a high cover that is equipped as two independent units can for example be...

Страница 13: ...her locally or remotely It is located in the lower right part of the shielded DIA frame Figure 1 3 CU PCBA Low Noise Amplifier LNA LNAs are used on the uplink and are located at the top of the cabinet...

Страница 14: ...ptic Node FON The FON is the main part of the FOU It is a bi directional electrical optical signal converter and a node in a fiber network In addition the FON has all the functionality included in the...

Страница 15: ...an additional band in a high cover PCBA positions are illustrated in Figure 1 6 and a block diagram is located in Appendix A Figure 1 6 Nexus FT Sub Unit Locations Fiber Optic Distribution Networks Fi...

Страница 16: ...Interconnect POI units and OCMs as illustrated in Figure 1 8 In this simple example two operators have two sectors each Each sector is connected to a POI and then to a RCM The RCM is interconnected wi...

Страница 17: ...system error alarm when flashing and a critical alarm when steady Cabinet Indicators Figure 2 2 Cabinet Internal Indicators Red Amber MS DPX ANT TEST DC 30 dB 20 dB MS DPX ANT TEST DC 30 dB 20 dB ALL...

Страница 18: ...icates the unit is currently not receiving any data is currently not a control station or there is no other node in the network DATA Blue LED indicating data transmission in the W net POWER Yellow LED...

Страница 19: ...D is dark during the boot process and when it is steadily lit again it indicates the unit is ready for operation FAULT Red LED Flashes for 15 20 seconds after the mains is switched on Will flash for l...

Страница 20: ...d Used M FON P111 DIA P36 VE008 05 1 Used Used D FON P111 DIA P112 VE008 05 1 Not Used Used From To Cable Number Non Diversity Diversity Cover DIA P36 M FON P112 VE008 05 1 Used Not Used Cover DIA P36...

Страница 21: ...ts P26 Expansion input port to cover circuitry Used in equipped high covers P27 Auxiliary Port 8 pin male Pins 2 and 3 must always be interconnected to provide the CU and ALI RCI PCBAs with voltage If...

Страница 22: ...ity LNA connected to P3101 on WBA PCBA Table 2 7 FON Connectors Port Description P101 SMA electrical RF input port to the optical TX port P102 SMA electrical RF output port from the optical RX port P1...

Страница 23: ...future use P117 SMA electrical RF output port 15dB below the P101 port P130 34 pin 2 line male RCU port used for connecting an RCU The connector contains both the modem connection and RCU power supply...

Страница 24: ...CU PCBA revisions Table 2 8 Hardware Software Compatibility This information is accurate as of 06 31 2007 As new versions of hardware and software are released without prior notice contact your Powerw...

Страница 25: ...s assessed If equipment must be returned to factory please contact factory for a Return Material Authorization RMA see Chapter 4 WRH Location The WRH is designed with a weather proof outdoor cabinet t...

Страница 26: ...Bracket Normally the WRH is mounted on a wall pole or mast Figure 3 2 illustrates the installation of the mounting bracket on a wall using four fixing screws and a locking screw Figure 3 2 Mounting Br...

Страница 27: ...e mounting bracket on a pole using two 5 7 inch 144mm U shaped clamps and a locking screw Figure 3 3 Attaching the Bracket to a Pole Figure 3 4 illustrates a mast installation using two 11 8 inch 300m...

Страница 28: ...followed for the main power connection WRHs are approved in accordance with EN and UL cUL regulations This is however only valid if a classified power cord is used For the Nexus FTto meet these regul...

Страница 29: ...tion 1 Connect service antenna coaxial cable to left outside DIN connection on cabinet 2 Connect fiber optic cable from OCM or BMU to fiber optic cable demark on FOU 3 Connect station ground to approp...

Страница 30: ...ted to pin 8 AI4 on P28 as described in chapter 2 The location of P28 is shown in Figure 3 7 Figure 3 7 External Alarm Connection Main Power Breakdown Relay To be able to distinguish PSU faults from p...

Страница 31: ...rentless closed relay contact to pin AI1 and AIC on P33 alarm connector as shown in Figure 3 8 Alarm is initiated when pins AI1 and AIC are shorted 2 Connect relay coil Coil must be supplied from same...

Страница 32: ...r correct power up indications 4 Check the three ALI PCBA LEDs or corresponding LEDs on RCI PCBA Refer to ALI or RCI PCBA section in Chapter 2 for correct power up indications NOTE When optimizing WRH...

Страница 33: ...DIN DIN SMA SMA female and N male to SMA female Installed and operational WRH unit Installed passive RF network under test Torque wrenches for DIN and N connectors Two different types of setup are av...

Страница 34: ...oise limit becomes 115 dBm 60 dB 55 dBm Continue with step 7 6 If noise floor is lower than 85 dBm 100 kHz locate the FON card and connect the Spectrum Analyzer to P117 noise limit becomes 115 dBm 60...

Страница 35: ...ction of cables and connectors 12 months Inspect power RF and Fiber cables for signs of damage or wear frayed insulation cracks punctures etc Check connections to be sure they are tight Optional Perfo...

Страница 36: ...rted as a PSU fault Ceasing The mains power is back Sent if there is a corresponding critical mains breakdown alarm logged in the Events Log The WRH will restart when the power is back 4 Alarm reset C...

Страница 37: ...backup or low voltage to the RAM 18 RTC restarted CU None The time is changed by the operator logged to keep track of changes made to the RTC Warning Time reset to 1994 01 01 The RTC was unable to kee...

Страница 38: ...To unlock the MS SIM card the PUK code will probably be needed Ceasing The cause of the alarm has ceased 39 No phone detected Remote ctrl Warning When using a PC card together with the MS the alarm i...

Страница 39: ...ss caused either by cables connectors or antenna problems Suggested remedy Check antenna and cables Ceasing The cause of the alarm has ceased 90 FON power alarm FON RF Error A DC voltage on a FON PCBA...

Страница 40: ...Manual Verify that the keyed angle polished connectors are aligned properly before tightening Improper alignment can result in high signal loss and or no connectivity with that node Table 4 3 FON Rep...

Страница 41: ...Location 4 shown in Figure 4 1 7 On new DC power supply if used verify that the supply voltage is 24 VDC or 48 VDC as stated on label on PSU Location 5 shown in Figure 4 1 8 Set new PSU to correct ou...

Страница 42: ...oosen all four locking screws on front of cabinet 2 Open WRH door and secure 3 Disconnect main power plug from PSU 4 Verify all external cables connected to WRH are labeled before disconnecting then d...

Страница 43: ...in relief bushing at the bottom of the WRH is used for the external telephone line cable Return For Service Procedures When returning products to Powerwave the following procedures will ensure optimum...

Страница 44: ...Return For Service Procedures Nexus FT 4 10 044 05251 Rev B This page intentionally left blank...

Страница 45: ...z PCS 2110to 2170 MHz UMTS 2110 to 2155 MHz AWS 2100 Max absolute delay 300 ns Gain adjustment range in 1 dB steps 30 dB Gain Uplink Downlink Variation 35 to 60 dB typical Excluding fiber link 45 to 7...

Страница 46: ...nd Dual Band 10 A for AC voltage 20 A for DC voltage 20 A for AC voltage 40 A for DC voltage Power consumption 210 W typical 300 W max Single band 420 W typical 600 W max Dual band Impedance Input Out...

Страница 47: ...input Optical output power two levels RF attenuation settable by SW in 1dB steps 36dBm 3 or 0dBm 0 20dB Receive Max optic power input RF attenuation settable by SW in 1dB steps Alarm threshold level s...

Страница 48: ...Introduction Nexus FT 5 4 044 05251 Rev B This page intentionally left blank...

Страница 49: ...044 05251 Rev B A 1...

Страница 50: ...added receive path signal Signal flow is identical to the non diversity version with the MCPA on the DL and LNAs on the UL providing the additional amplification out of and into the WBA Figure A 2 WR...

Страница 51: ...40 824 91 Main Asia Pacific Office 23 F Tai Yau Building 181 Johnston Road Wanchai Hong Kong Tel 852 2512 6123 Fax 852 2575 4860 Copyright 2008 Powerwave Technologies Inc All Rights reserved Powerwave...

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