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EQUIPMENT MANUAL FOR RF-9122 GSM900-GSM1800 FSR

RF-9122T18 QE

Copyright - refer to title page

Page 16

ENU Status : 1-0-0

2.3 EQUIPMENT LAYOUT

Fig 3: Direct Coupling Master Unit internal layout

Note: for Wireless Coupling Master Unit, the ATT Module is replaced by a LNA

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Summary of Contents for RF-9122

Page 1: ...nstance International Documentation Centre Comba Telecom This is an unpublished work the copyright in which vests in Comba International Comba All rights reserved The information contained herein is c...

Page 2: ...NCE 22 3 INSTALLATION 23 3 1 WARNINGS AND ALERTS 23 3 2 SITE PLANNING CONSIDERATIONS 24 3 2 1 REPEATER INSTALLATION CHECKLIST 25 3 2 2 ANTENNA INSTALLATION CONSIDERATION 25 3 3 INSTALLATION PROCEDURES...

Page 3: ...NU Status 1 0 0 5 OPERATION 46 6 MAINTENANCE 47 6 1 REFERENCE FREQUENCY CALIBRATION 47 7 APPENDICES 48 7 1 APPENDIX A TOOLS FOR INSTALLATION AND MAINTENANCE 48 7 2 APPENDIX B REPEATER S INTERFERENCE T...

Page 4: ...Fig 9 OMT screenshot main screen 32 Fig 10 Wireless modem 34 Fig 11 OMT screenshot communication setup 35 Fig 12 OMT screenshot configuration window 37 Table 1 EquipmentKOP 19 Table 2 RF specificatio...

Page 5: ...0 FSR RF 9122T18 QE Copyright refer to title page Page 5 ENU Status 1 0 0 0 4 HISTORY Change No ENU Details Of Change 1 2 1 0 0 1 0 0 Created on 15th July 2005 Doc revised with the product name change...

Page 6: ...EQUIPMENT MANUAL FOR RF 9122 GSM900 GSM1800 FSR RF 9122T18 QE Copyright refer to title page Page 6 ENU Status 1 0 0 0 5 ISSUE CONTROL Date 15 July 05 17 Aug 05 Section All all all...

Page 7: ...itle page Page 7 ENU Status 1 0 0 0 6 REFERENCES 0 6 1 S 9180J datasheet Issue B2 released 13 May 2005 GSM DCS Frequency Shifting Repeater Product Manager Steven Zhou 0 6 2 S 9180J Chinese user manual...

Page 8: ...Read Only Memory FS Frequency Selector FSA Frequency Selector Amplifier GSM Group Special Mobile Also known as Global System for Mobile Communication Hz Hertz ID Identification LNA Low Noise Amplifie...

Page 9: ...und An informative 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 n...

Page 10: ...ation a sample of this is in appendix completed giving the required information This request must be included with the item for repair items for repair should be sent to the nearest Comba office COMBA...

Page 11: ...t any amendment remedial action can be carried out promptly we would appreciate your co operation in filling out and returning a photocopy of this customer reply sheet as soon as possible Customer Inf...

Page 12: ...all or on a pole according to the field situation Donor antenna and mobile antenna are connected to the repeater with RF coaxial cables Characteristics of this equipment are as follows z Eliminate don...

Page 13: ...ule with ALC function is used to amplify the UL DL signal LNA Low Noise Amplifier with adjustable gain is used to pre amplify the signal Its UL DL ATT value matches the gain of the corresponding UL DL...

Page 14: ...F 9122 GSM900 GSM1800 FSR RF 9122T18 QE Copyright refer to title page Page 14 ENU Status 1 0 0 Fig 1 Front side and bottom view of Direct Coupling Master Unit Wireless Coupling Master Unit and Remote...

Page 15: ...to a GSM1800 link frequency for transmission to the remote unit IC EC Point to multipoint operation is supported by one master unit supporting multiple remote units The mapping of channels is user de...

Page 16: ...M900 GSM1800 FSR RF 9122T18 QE Copyright refer to title page Page 16 ENU Status 1 0 0 2 3 EQUIPMENT LAYOUT Fig 3 Direct Coupling Master Unit internal layout Note for Wireless Coupling Master Unit the...

Page 17: ...EQUIPMENT MANUAL FOR RF 9122 GSM900 GSM1800 FSR RF 9122T18 QE Copyright refer to title page Page 17 ENU Status 1 0 0 Fig 4 Remote Unit IC EC internal layout...

Page 18: ...NUAL FOR RF 9122 GSM900 GSM1800 FSR RF 9122T18 QE Copyright refer to title page Page 18 ENU Status 1 0 0 2 4 MANUFACTURING ENTITIES This equipment is equipped of the following standard modules identif...

Page 19: ...hipped Item Description Product Identifier Quantity Note 1 Mounting Bracket R 9122C8 5140 1 1 2 Masonry Bolt M10 110 8 3 U Bolt M10 85 110 2 4 Allen Key 5 5mm 1 5 RS 232 Cable R 9122C R 3122AC 1 Marke...

Page 20: ...nit EC 40 2 105 2 105 2 108 2 Gain Adjustment Range dB 30 1 0 1dB step Pass Band Ripple p p dB within any 15MHz bandwidth 3 Output Power per Ch DL dBm Direct Coupling Master Unit Wireless Coupling Mas...

Page 21: ...aster Unit Remote Unit 210 approx 240 approx 270 approx MCU Battery Backup Time hr 3 approx Power Up Waiting Time sec 60 approx Dimensions HxWxD mm Direct Coupling Master Unit Wireless Coupling Master...

Page 22: ...Monitoring PC via RS 232 Remote Control and Monitoring via integrated GSM modem in Data Link or SMS modes Local and Remote Controlled Parameters Working Channel No Translation Channel No ATT Soft PA...

Page 23: ...electrical systems involving adverse weather extreme temperatures wet corrosive or dirty conditions flammable or explosive atmospheres the system must be suitably installed to prevent danger Protecti...

Page 24: ...ng stable temperature and un restricted air flow This equipment has been designed to operate in the ambient air temperature range Should the direct day light temperature exceeds 40 C 104 F then barrie...

Page 25: ...oint EMC and interference Do not locate near large transformers or motors that may cause electromagnetic interference Maintain distance from chassis to DT MT antennas Reduce of signal loss in feeder c...

Page 26: ...nnot be processed Open 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 appe...

Page 27: ...to the upper mounting rack z Raise the chassis and position it over the mounting rack hook the equipment chassis onto the mounting rack from the upper corners z Unlock the chassis door and use allen...

Page 28: ...EQUIPMENT MANUAL FOR RF 9122 GSM900 GSM1800 FSR RF 9122T18 QE Copyright refer to title page Page 28 ENU Status 1 0 0 Fig 6 Wall mounting overview...

Page 29: ...loop and will not climb up to the equipment 3 3 7 EQUIPMENT CONNECTIONS The equipment has been designed for all cable entries from the bottom of the chassis The only exception is the RS 232 connection...

Page 30: ...ncy shifting transmission port for connection to link antenna This is a BTS RF port for connection to BTS coupling port Remote unit This is a user end RF port for connection to the antenna towards the...

Page 31: ...h sec Any other flashing rate indicates MCU is faulty and has to be replaced H4 Red Wireless modem status During normal operation it is OFF while ON it s indicating faulty wireless modem and no commun...

Page 32: ...ork OMT software is based on Windows operation system and is designed for monitoring and maintaining of Comba repeaters and boosters Refer to Appendix for installing the single version OMT at version...

Page 33: ...re preserved in the event of power loss Repeater configuration Repeater number Device number SMS center number Alarm dial up number OMC inquiry number Remote communication mode Operating parameters Ma...

Page 34: ...equipment provides the option of remote connection of the equipment by OMT The wireless modem implements the link for data and SMS An external antenna is supplied for use with the wireless modem ensur...

Page 35: ...the other to the serial port of PC 2 Power up the equipment and it will go through the initialization process duration about 60s 3 After initialization select Choose Connection Type Local connection...

Page 36: ...unit is as sample For remote connection selecting online should bring up the main window shown above In the event of connection failure a connection prompt will appear on the screen proceed to verify...

Page 37: ...L COMMISSIONING With OMT executing on the local PC and connected to the equipment select online from the main window to enter the screen for equipment configuration and data inquiry The GSM900 GSM1800...

Page 38: ...ing using OMC SMS REPORT ALARM Specifies the SMS centre the system dial when alarms are to be sent as SMS The OMC report number specifies a number the MCU to dial for alarm reporting DATALINK REPORT A...

Page 39: ...wer can not be set or read The repeater gives out no signal and other parameters remain unaffected ON Operating Frequency Operating Frequency There are five items channel working or shifting channel n...

Page 40: ...mperature is shown Should the measured temperature reach the threshold the alarm is generated 80 Power threshold For uplink and downlink power threshold setting range from 127to 127dBm A measures powe...

Page 41: ...isabled with OMT OMC by placing a tick in the adjacent box against the required alarm condition and select Set Table 10 Management Alarm list On the OMT OMC screen the alarm is colour coded to indicat...

Page 42: ...every five dial up attempts the equipment will be resetted automatically any alarm messages held within the equipment would be cleared Should the Soft on off function is ON then the no alarm will be g...

Page 43: ...rm z Set master unit site ID and telephone number Test master unit input power and align 900MHz donor antenna z Observe DT port received signal level from RF Parameters z Align the direction of donor...

Page 44: ...gain to be several dB lower than the downlink gain z Conduct test calls within the coverage area and iteratively adjust the optimal uplink gain value z Note 1 In application of more than one remote u...

Page 45: ...ied out by the OMT can be performed centrally from the OMC terminal For OMC in order to communicate to each equipment unique equipment identification must be referred to and it is entered using OMT af...

Page 46: ...lty Uplink downlink LNA uplink downlink PA uplink downlink high low edge PLL alarms handling Check power and signal connections of respective modules If the power and signal wire connections are OK th...

Page 47: ...on battery after operating for 24 hours switch off AC power supply If the voltage of Li on battery drops below 16V within one hour the Li on battery has been over discharged y A simple procedure to ch...

Page 48: ...FOR INSTALLATION AND MAINTENANCE Hereinafter is the list of recommended tools for new installation and routine maintenance Description Slotted screwdriver Philips screwdriver Ring spanner M10 Electric...

Page 49: ...gain induced by the equipment at the BTS port has the following relationship Where Grep uplink gain of the repeater dB Ld distance loss from DT port of the repeater to BTS port Frep uplink noise figur...

Page 50: ...irmware Environment for OMT operation Before installation of OMT ensure the following requirements for running OMT software are met a Minimal Hardware Requirements z CPU Pentium 2 processor at 300MHz...

Page 51: ...ogram will start the set up and the following window will appear c Follow the ongoing screenshots until a message confirming installation is complete pops up This completes the installation of OMT OMT...

Page 52: ...QUIPMENT MANUAL FOR RF 9122 GSM900 GSM1800 FSR RF 9122T18 QE Copyright refer to title page Page 52 ENU Status 1 0 0 7 4 APPENDIX D RMA RETURN MATERIAL AUTHORIZATION FORM End of section End of Document...

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