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USER MANUAL FOR RA-7100

RA-7100 II2 QI

Copyright - refer to title page

Page 23

ENU Status : 1-0-0

3.3.4 CABINET MOUNTING OF MU

Depending on the installation, should 2-post open-rack are to be used, the mid-mounting brackets are
to be used. For rack or cabinet mounting, the mid-mounting brackets are to be removed from the 4U
shelf. Cage nut and screws are not supplied. Unless being recommended by rack manufacturer, M5
cage nut / bolt are to be used.

Combiner Uint

Combiner Unit

19" Shelf

MOU

Figure 12: Cabinet Mounting of 19” Shelf

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Summary of Contents for RA-7100

Page 1: ...ished work the copyright in which vests in Comba International Comba All rights reserved The information contained herein is confidential and the property of Comba and is supplied without liability fo...

Page 2: ...NSPECTION 22 3 3 2 TOOLS 22 3 3 3 PREPARATION 22 3 3 4 CABINET MOUNTING OF MU 23 3 3 5 RU MOUNTING RACK DIMENSION 24 3 3 6 WALL MOUNTING OF RU 25 3 3 7 POLE MOUNTING OF RU 27 3 3 8 DRIP LOOP 28 3 4 EQ...

Page 3: ...ALARM INFORMATION 41 4 3 11 PROPERTIES INFORMATION 42 4 3 12 EQUIPMENT ID 43 4 3 13 COMM CONFIG 44 4 3 14 DATA MAINTENANCE 45 4 4 NON VOLATILE MEMORY 45 5 OPERATION 46 6 MAINTENANCE 47 7 APPENDICES 4...

Page 4: ...nsion 5W 5W 24 Figure 14 RU Mounting Rack Dimension 20W 20W 24 Figure 15 RU Wall Mounting 5W 5W 25 Figure 16 RU Wall Mounting 20W 20W 26 Figure 17 Pole Mounting of RU 5W 5W 27 Figure 18 Pole Mounting...

Page 5: ...Unit KOP 18 Table 5 RU KOP 5W 5W 18 Table 6 RU KOP 20W 20W 18 Table 7 MU Front Panel Connections 28 Table 8 MU Back Panel Connections 28 Table 9 RU Connections 29 Table 10 Combiner Unit Connections 30...

Page 6: ...USER MANUAL FOR RA 7100 RA 7100 II2 QI Copyright refer to title page Page 6 ENU Status 1 0 0 0 4 HISTORY Change No ENU Details Of Change 1 1 0 0 This user manual first created on 21 April 2010...

Page 7: ...z Hertz ID Identification LNA Low Noise Amplifier MCU Main Control Unit MHz Megahertz MT Mobile Terminal MTBF Mean Time Between Failures NC Normally Closed NF Noise Figure NO Normally Open OMC Operati...

Page 8: ...e text label may accompany the symbol label Hazard labeling is supplemented by safety notices in the appropriate equipment manual These notices contain additional information on the nature of the haza...

Page 9: ...al TX RX module has been implemented with the AGC function Local Operation and Maintenance Terminal OMT operating status and parameters can be set or monitored by OMT PC locally And the point to point...

Page 10: ...Page 10 ENU Status 1 0 0 The figures below show the equipment enclosure layout of RA 7100 MU RU and combiner unit 44 482 3 6 0 MU with Wireless Modem 44 3 6 0 482 MU with LAN Port Figure 1 View of MU...

Page 11: ...yright refer to title page Page 11 ENU Status 1 0 0 EXT_ALM RS 232 MT FAN POWER OP UL DL 240 718 420 20W 20W Figure 2 Front Side and Bottom Views of RU Enclosure 44 3 3 0 482 Figure 3 View of Combiner...

Page 12: ...parate or combined signals as 850MHz and 1900MHz from the BTSs are received and converted into optical signals after amplification in the MU Then the optical signals are transmitted to the RU via opti...

Page 13: ...ation of Single Fiber Configuration Shown below is a typical application showing the ability to interwork RA 7100 Tx Rx Tx Rx Coupler BTS MT ANT MU OP UL_DL OP UL_DL 1310nm 1550nm WDM RU WDM WDM WDM F...

Page 14: ...OP IN OUT2 RF OUT RF IN Li ion Battery MCU Distribution Board MODEL S N NO 9V 9V JK OUT OK BAT2 IN OK BAT2 JK GND L N E Optical TX RX Module PSU RF IN RF OUT OP IN OUT2 OP IN OUT1 APC ALC LAN Etherne...

Page 15: ...ion Battery 2 BAT OUT OK IN OK GND V 9 V 28 V 28 V 28 V 28 V 9 JK JK 2 BAT L E N PSU O P IN O UT RF IN RF OUT 1900MHz PA 850MHz PA Figure 9 RU Equipment Layout 5W 5W Combiner Li ion Battery Surge Arr...

Page 16: ...SER MANUAL FOR RA 7100 RA 7100 II2 QI Copyright refer to title page Page 16 ENU Status 1 0 0 The internal layout for Combiner Unit is shown below Passive Module Figure 11 Combiner Unit Equipment Layou...

Page 17: ...ply Unit PSU Converts the input voltage into stable DC to supply power for other modules and to charge the internal Li ion battery Li ion Battery Will supply power to MCU after power failure Table 1 M...

Page 18: ...ner Unit KOP Product Identifier Description Quantity Allen Key 5 5mm 1 CPC X14J7P 1 CPC to Local Commissioning Cable X14J5 DB9K 1 Fuse N A 2 key N A 2 Masonry Bolt M10x110 4 Power Supply Cable N A 1 T...

Page 19: ...t involving installation operation or maintenance must be as far as reasonably free from danger Where there is a risk of damage to electrical systems involving adverse weather extreme temperatures wet...

Page 20: ...ecommended to install the equipment in locations having stable temperature and unrestricted air flow The installation location for MU should be well ventilated It is recommended that the distance betw...

Page 21: ...ach of the power cord and the power source has sufficient capacity z Where appropriate ensure unused RF connectors are terminated z Where appropriate ensure unused optical fiber connectors are protect...

Page 22: ...and check each package against the packing list For any shortage contact Comba Telecom Systems Do not remove items from packing materials until installation 3 3 2 TOOLS See Appendix A for a full list...

Page 23: ...2 post open rack are to be used the mid mounting brackets are to be used For rack or cabinet mounting the mid mounting brackets are to be removed from the 4U shelf Cage nut and screws are not supplie...

Page 24: ...DIMENSION The mounting arrangement of the RU is used for mounting the RU to a wall The figures below show the location of the holes for the mounting tabs For Wall Mounting For Pole Mounting 402 200 8...

Page 25: ...er mounting tabs indicated above z Insert the masonry bolts M10x110 to the wall z Hook the enclosure onto the masonry bolts and then lower the whole enclosure to make sure that the bolts are fastened...

Page 26: ...r lower mounting tabs indicated in Figure below z Insert the masonry bolts to the wall and secure the mounting rack on the wall with four M10 masonry bolt nuts z Hook the enclosure onto the mounting r...

Page 27: ...ation Hex Socket Bolt M8x20 U Bolt Spring Washer Plain Washer Plain Washer Spring Washer Nut M10 Mounting Rack Pole Rack Bolt Figure 17 Pole Mounting of RU 5W 5W z The equipment can be mounted on pole...

Page 28: ...OP2 OP1 Equipment with wireless modem Figure 19 MU Front Panel Connectors Identifier Functional Description EXT For extension DB15 connector Battery ON OFF switch of Li ion battery BTS Up report to B...

Page 29: ...N MT 5W 5W EXT_ALM RS 232 MT FAN POWER OP UL DL 20W 20W Figure 21 RU Connectors Identifier Functional Description POWER Power supply connector RS 232 5 pin connector connects to PC to realize the loca...

Page 30: ...IT CONNECTORS Connectors on the Combiner Unit are identified below TX RX 1900MHz 850MHz Figure 22 Combiner Unit Connectors TX Connects with MU s TX port on back panel RX Connects with MU s RX port on...

Page 31: ...al do not connect the supply before establishing an adequate ground earth connection MU Grounding Connection Connect the grounding terminal located on the back panel of MU to a protective ground i e b...

Page 32: ...k panel s OP1 OP4 with RU s OP interfaces respectively MU is connected to Combiner Unit via coaxial cable Connect MU back panel s TX RX with Combiner Unit s TX RX ports respectively Here takes 5W 5W R...

Page 33: ...quipment alarms can be signaled to the BTS via voltage free relay contacts The voltage free relay connections are connected to the DB 9 port BTS_ALAM located on the MCU of MU The following figure and...

Page 34: ...the RS 232 port to the serial port of PC with the RS 232 cable supplied to achieve local monitoring and management A build in wireless modem is available for OMC connection to realize remote commissi...

Page 35: ...Visually inspect the power connection within the equipment Ensure that the power cable is correctly and securely connected including grounding wire RF cable and optical cable Check grounding connectio...

Page 36: ...4 2 2 RU LED INDICATORS LED Diagnostic indicators are located on the MCU integrated in the RU each indicates the status of a particular function Identifier Colour Indication LED 5 Green Operation ind...

Page 37: ...OMT information please refer to OMT user manual and other references Notice The OMC software with remote connection to the equipment is optional for customers 4 3 1 LOCAL AND REMOTE CONNECTIONS TO OM...

Page 38: ...phone number Users don t have to enter the password and click connect After the modem is initialized it will be connected remotely 4 3 4 OMT CONFIGURATION After entering the OMT main screen click the...

Page 39: ...on the message indicating the not accessed unit Select Switch in the pop up menu RU can be successfully switched to MU or other sites z To switch to the MU or other sites customer can choose MU or ot...

Page 40: ...Figure 33 MU ATT Figure 34 RU ATT Config Select the required value in setting columns of RF information window for ATT and press Enter or Config button to finish the configuration operation 4 3 9 ALA...

Page 41: ...inish the configuration operation Notice The input value must be in the range of power threshold 4 3 10 ALARM INFORMATION Alarm information operation is to select alarm parameters for monitoring MU al...

Page 42: ...configuration operation Notice Enable box is to enable the alarm monitoring for system Only if users enable the alarm by ticking the Enable box the alarms can be monitored by the OMT OMC 4 3 11 PROPER...

Page 43: ...tring of two characters in the range of 0x00 0xFF For the system located with single equipment the Site Sub ID should be 0xFF e g 00 For Master Slave system the Site Sub ID for Master Unit is 0x00 and...

Page 44: ...ection to the equipment Figure 43 MU Comm Config See the table below for configuration details of each parameter Item Description Checking Control Select Enable or Disable from the drop down menu as s...

Page 45: ...l send alarm SMS to this number If remote communication is needed via modem users have to enable SMS mode and set the report phone No by entering the SIM card number of the equipment built in modem SM...

Page 46: ...ical Transceiver Alarm The optical TX part of Optical TX RX Module is faulty Check and replace the faulty module and return it to the factory for repair Optical Receiver Alarm The optical power at the...

Page 47: ...ater equipment s is recommended The recommended tasks include Measurement of the return loss of the feeder system Ensure the stable connection of cables power cords and facilities located indoor Inspe...

Page 48: ...le page Page 48 ENU Status 1 0 0 7 APPENDICES 7 1 APPENDIX A TOOLS FOR INSTALLATION AND MAINTENANCE The following are the recommended list of tools new installation and routine maintenance Electronic...

Page 49: ...Office Address 611 East Wing No 8 Science Park West Avenue Hong Kong Science Park Tai Po Hong Kong Tel 852 2636 6861 Fax 852 2637 0966 Singapore Office Address No 1 Kaki Bukit View 02 10 Techview Sing...

Page 50: ...USER MANUAL FOR RA 7100 RA 7100 II2 QI Copyright refer to title page Page 50 ENU Status 1 0 0 7 3 APPENDIX C RMA RETURN MATERIAL AUTHORIZATION FORM End of Section End of Document...

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