Powerwave Technologies G3L-2129-140, Installation And Service Manual

Page 1: ...B A S E S TAT I O N S O L U T I O N S I N S TA L L AT I O N A N D S E R V I C E M A N U A L 0 4 4 0 5 3 6 9 R E V A M AY 2 0 0 9 G 3 L 2 1 2 9 1 4 0 MCPA D R A F T ...

Page 2: ...his document may cause 1 Spurious emissions that violate regulatory requirements 2 The equipment to be automatically removed from service when maximum thresholds are exceeded 3 The equipment to not perform in accordance with its specifications It is the operator s responsibility of the operator to ensure this equipment is properly installed and operated within Powerwave operating specifications to...

Page 3: ...ol means danger You are in a situation that could cause bodily injury or death Before working on any equipment be aware of the haz ards involved with electrical and RF circuits and be familiar with standard practices for preventing accidents CAUTION The caution symbol means reader be careful In this situation the user might do something that could result in equipment damage or loss of data NOTE Th...

Page 4: ...ii 044 05369 Rev A Revision Record Revision Letter Date of Change Reason for Change A May 2009 Initial Release D R A F T ...

Page 5: ...tors Introduction 2 1 MCPA Controls and Indicators 2 1 MCPA Alarms 2 2 MCPA Connectors 2 2 Installation Introduction 3 1 Unpacking and Inspection 3 1 Damaged Equipment 3 1 Air Conditioning Requirement 3 1 MCPA Installation Instructions 3 1 Initial Start up and Operating Procedures 3 2 Maintenance Introduction 4 1 Periodic Maintenance 4 1 MCPA Performance Tests 4 1 Troubleshooting 4 1 MCPA Removal ...

Page 6: ... 3 4 1 MCPA Quarter turn fasteners and Connectors 4 2 List of Tables 2 1 LED Indicators 2 1 2 2 MCPA Alarm States 2 2 2 3 MCPA Connector Pin Assignments 2 3 3 1 Unpacking Steps 3 1 3 2 MCPA Installation Steps 3 2 3 3 MCPA Start up Steps 3 2 4 1 Periodic Maintenance Requirements 4 1 4 2 Troubleshooting 4 1 4 3 MCPA Removal and Replacement 4 2 5 1 Specifications 5 1 D R A F T ...

Page 7: ...60 MHz frequency band from 2110 MHz to 2170 MHz with an instantaneous bandwidth of 45 MHz The instantaneous bandwidth is the maximum frequency band in which any two or more signals can occupy The instantaneous bandwidth of the MCPA is set automatically The MCPA is modular in design and ideally suited for use in CDMA W CDMA and LTE base stations The MCPA provides a gain of 63 dB to supply a 140 wat...

Page 8: ...Functional Description G3L 2129 140 MCPA 1 2 044 05369 Rev A Figure 1 1 MCPA Front and Rear Views Front Rear D R A F T ...

Page 9: ... attenuated phase shifted 180 degrees and fed to the error amplifier where it is amplified to a level identical to the sample output from the main amplifier The output from the error amplifier Error Out is coupled back and added to the output from the main amplifier with the control loops continuously making adjustments to cancel out any distortion in the final output signals Feed forward Loop Con...

Page 10: ...lot tone that is attenuated and phase shifted 180 degrees to be used as the reference The second pilot tone is amplified in the error amplifier and mixed with the signals from the main signal path The first and second pilot tones should cancel each other out in an ideal situation If the output detector senses that the pilot tones do not cancel each other out the information feeds back to control t...

Page 11: ...ntrols and Indicators Description Toggle Switch Three Position RESET Up Resets MCPA LED indicates boot mode red then turns solid green ON Center Enables MCPA LED indicates solid green OFF Down Disables MCPA LED Indicates solid red LED Status Green solid RF enabled OFF ON RESET switch set to On center position normal operation no alarm Green blinking Standby Yellow solid Minor Alarm APC function en...

Page 12: ... immediately if input RF drive is 5 dBm Major Red Input power decreases below APC threshold 11 2 dBm High Temperature Disables MCPA if sensor temperature is 95 C Major Red MCPA auto recovers when sensor temperature drops to less than 85 C High Reverse Power Disables MCPA if the reverse RF output power is higher than 49 dBm for a duration of 1 minute Minor Yellow during 1 minute validation period t...

Page 13: ...nction A1 RF Input Coaxial Contact 8 Summary_Fault A2 27 VDC Power Contact 9 DC On Off A3 Ground Power Contact 10 NC A4 RF Output Coaxial Contact 11 NC 1 TX_H RS 485 12 NC 2 TX_L RS 485 13 NC 3 GND 14 NC 4 RX_H RS 485 15 NC 5 RX_L RS 485 16 HPE High Power Enable 6 GND 17 NC 7 MOD_DET Module Detection 1 2 3 A1 A2 A3 A4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 D R A F T ...

Page 14: ...MCPA Controls and Indicators G3L 2129 140 MCPA 2 4 044 05369 Rev A This page intentionally left blank D R A F T ...

Page 15: ...rates within the extended low temperature and high temperature environments as listed in Chapter 5 MCPA Installation Instructions CAUTION Do not slam the MCPA into the system subrack during installation Using excessive force can damage the MCPA interface connector The modular MCPA can be installed in a variety of systems All system connections to the MCPA are made through the MCPA rear connector n...

Page 16: ...2 MCPA Installation Steps Step Action 1 Set MCPA OFF ON RESET switch to the OFF down position 2 Ensure quarter turn fasteners are in unlocked position 3 Lift and insert MCPA into the subrack Turn the quarter turn fasteners to locked position to secure MCPA into subrack Table 3 3 MCPA Start up Steps Step Action 1 Verify all system input and output cables are properly connected 2 Verify 27 VDC 1 VDC...

Page 17: ...CPA are listed in Table 4 1 MCPA Performance Tests MCPA Performance tests are only performed at the factory Refer to the troubleshooting instructions below Troubleshooting Perform the instructions in Table 4 2 in the case of an MCPA fault or alarm Table 4 1 Periodic Maintenance Requirements Task Interval Action Cleaning 3 Months Inspect for debris especially around front panel vents Remove dust wi...

Page 18: ...zation RMA number must be obtained prior to returning equipment and to reduce delays in receiving repair service Please contact our Repair Department at 714 466 1000 to obtain this number or FAX your request to 714 466 5800 Repackaging for Shipment To ensure safe shipment of a component it is recommended that the original packing materials be reused If this is not possible use suitable shipping ca...

Page 19: ...to 28 VDC nominal Operational range of 21 0 VDC to 30 VDC MCPA disables at less than 20 5 VDC or greater than 30 5 VDC DC Current Max APC Nominal 36 Amps at 26 V and 160 W average RF power output 34 8 Amps at 27 V and 160 W average RF power output Efficiency 17 Mechanical Specifications Features Controls Three position toggle switch OFF ON RESET Alarm Indication LED Green normal Yellow minor alarm...

Page 20: ...rrarnasgatan 7 8tr 164 40 Kista Sweden 46 8 540 822 00 46 8 540 824 91 FAX Main Asia Pacific Office 23 F Tai Yau Building 181 Johnston Road Wanchai Hong Kong 852 2512 6123 852 2575 4860 FAX Powerwave Technologies Inc All rights reserved Powerwave Powerwave Technologies and the Powerwave logo are registered trade marks of Powerwave Technologies Inc D R A F T ...