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EQUIPMENT MANUAL FOR TB-1800 

 
 

 

TB-1800 QE 

Copyright - refer to title page 

Page 43

ENU Status : 1-0-0 

 

 

 
 

6 MAINTENANCE 

The TB-1800 offers trouble free operation and generally does not need maintenance.   
 
The equipment operation status can be observed remotely through OMC. 
 
Periodic inspection of the TB-1800 equipment(s) is recommended, the recommended tasks includes: 
   

z

 

Inspect and record operation status and output power of the TB-1800 from OMC or OMT.   

z

 

Verify the direction and position of antennas. Re-align if necessary. 

z

 

Make sure the cable gland and sealing on the RF cable connectors are not damaged.   

z

 

Verify lightning and grounding protection is in good condition. 

z

 

For Li-ion back-up battery, verify its state. Deeply discharged battery shall be return to Comba for 
replacement.  

¾

 

A simple procedure to check Li-ion battery: after operating for 24-hours, switch off AC power 
supply. Measure and if the voltage of Li-ion battery drops below 16V within one hour, the 
Li-on battery has been over-discharged. 

 

Note: Li-ion battery status can be monitored via the OMT software if ‘Li-ion battery voltage low’ alarm is 
set. If such an alarm is displayed in the OMT window, that means the Li-ion battery need to be 
replaced. 
 
 
 
 
 

End of section 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Содержание TB-1800

Страница 1: ...is an unpublished work the copyright in which vests in Comba International Comba All rights reserved The information contained herein is confidential and the property of Comba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 for errors or omissions No part may be reproduced disclosed or used except as authorised by contract or other written permission The copyright and the foregoing restriction on reproduction a...

Страница 2: ...ANCE 20 3 INSTALLATION 21 3 1 WARNINGS AND ALERTS 21 3 2 SITE PLANNING CONSIDERATIONS 22 3 2 1 TB 1800 INSTALLATION CHECKLIST 23 3 3 INSTALLATION PROCEDURES 24 3 3 1 GOODS INWARDS INSPECTION 24 3 3 2 TOOLS 24 3 3 3 PREPARATION 24 3 3 4 MOUNTING RACK DIAGRAM 24 3 3 5 WALL MOUNTING DETAILS 25 3 3 6 POLE MOUNTING DETAILS 26 3 3 7 DRIP LOOP 26 3 3 8 EQUIPMENT CONNECTIONS 27 4 COMMISSIONING 30 4 1 MCU ...

Страница 3: ...APPENDIX B OMT INSTALLATION AND UNINSTALLATION 45 7 2 1 ENVIRONMENT FOR OMT OPERATION 45 7 2 2 TB 1800 COMPONENT UN INSTALLATION 49 7 2 3 OMT EXPLORER UN INSTALLATION 50 7 3 APPENDIX C OMT EXPLORER V2 10 INTRODUCTION 51 7 3 1 PULL DOWN MENU 52 7 3 2 TOOLBAR 53 7 4 APPENDIX D CHANNEL NUMBER AND FREQUENCY TABLE 54 7 5 APPENDIX E RMA RETURN MATERIAL AUTHORIZATION FORM 56 ...

Страница 4: ...igure 16 OMT screenshot connection to the equipment 34 Figure 17 OMT screenshot communication setup 34 Figure 18 OMT main window online ok 35 Figure 19 Alarm Parameters 38 Figure 20 OMT software installation window 46 Figure 21 Components selective window 46 Figure 22 Installation of OMT explorer completed 47 Figure 23 Installation of TB 1800 component completed 48 Figure 24 TB 1800 component unin...

Страница 5: ... 1800 QE Copyright refer to title page Page 5 ENU Status 1 0 0 0 4 HISTORY Change No ENU Details Of Change 1 1 0 0 Updated base product name TPA 1810 TB 1800 Document developed based on TPA 1810 QE 1 0 0 manual and issued in Jan 2006 ...

Страница 6: ...EQUIPMENT MANUAL FOR TB 1800 TB 1800 QE Copyright refer to title page Page 6 ENU Status 1 0 0 0 5 ISSUE CONTROL Date 23 Jan 06 Section All All ...

Страница 7: ... Copyright refer to title page Page 7 ENU Status 1 0 0 0 6 REFERENCES 0 6 1 TB 1800 Datasheet Control 3 1 0 C1 English datasheet released on 14 Oct 2005 0 6 2 TPA 1810 QE 1 0 0 Equipment Manual for TPA 1810 in English released on 22 Dec 2005 ...

Страница 8: ...Standard for Mobile Communication FS Frequency Select GSM Global Standard for Mobile Communication Hz 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 Operation Maintenance Center OMT Operation Maintenance Terminal PLL Phase Locked Loop PSU Power Supply Unit...

Страница 9: ... text label may accompany the symbol label Hazard labelling is supplemented by safety notices in the appropriate equipment manual These notices contain additional information on the nature of the hazard and may also specify precautions Warning Notices These draw the attention of personnel to hazards which may cause death or injury to the operator or others Examples of use are cases of high voltage...

Страница 10: ...sample of this is in the appendix be 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 TELECOM SYSTEMS LTD Hong Kong Office Address Room 1503 10 Delta House 3 On Yiu Street Shatin Hong Kong Tel 852 2636 6861 Fax 852 2637 0966 Email combahk comba telecom com Singapore office Address 865 ...

Страница 11: ...dment 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 Information Name Title Company Date Address Telephone Number Customer Comments Equipment title ENU 1 0 0 Page number Paragraph number Line number Figure number Details of inaccuracies Other comments Contact points...

Страница 12: ...ote control and monitoring system via PC or wireless modem to the OMT OMC Main features of TB 1800 TB 1800 is a high quality TMB with the following features z Downlink power of 40dBm 43dBm or 46dBm per carrier z Low noise amplifier reduces uplink system noise figure and results in reduced dropped call and improved voice quality z Reduces handset output power for improved uplink C I z Permits monit...

Страница 13: ... 0 0 Shown below are the outline drawings of equipment enclosure serving in different applications Application 1 43dBm model Application 2 40dBm model 600 450 195 295 Application 1 46dBm model Application 2 43dBm model Figure 1 Front side and bottom views of TB 1800 enclosure End of section ...

Страница 14: ...ON DIAGRAM Application 1 B T S Tx1 Rx1 2 Tx2 Rx1 2 PA1 LNA1 Downlink By pass Ant1 Service Antenna 1 PA2 LNA2 Uplink By pass Ant2 Service Antenna 2 Application 1 Application 2 PA1 LNA1 Downlink By pass Tx1 Rx1 2 Tx2 Rx1 2 PA2 LNA2 Uplink By pass Coupler Ant1 Service Antenna 1 Ant2 Service Antenna 2 B T S Figure 2 TB 1800 application diagram ...

Страница 15: ...dB TX RX RX TX RF Switch 1 IN PA 1 OUT LNA 2 IN OUT IN LNA 1 Wireless Modem Micro switch X15 Figure 3 Layout of equipped product application 1 43dBm model Grounding point Door Lock Li ion battery ALARM POWER 5V 9V 25V OUT Surge protector RS 232 PSU 0 1 Distribution board MCU OUT Filter 2 RF Switch 2 PA 2 IN DPX 1 Filter 1 ANT 77 5dB ANT 77 5dB TX RX RX TX RF Switch 1 IN PA 1 OUT LNA 2 IN OUT IN LN...

Страница 16: ...C OK PSU 2 PA 2 OUT ANT Filter 1 RX RF Switch 2 RF Switch 1 RS232 OUT PSU1 Figure 5 Layout of equipped product application 1 46dBm model RX Filter 1 ANT OUT PA 2 PSU 2 AC OK 26V 5V LNA 2 OUT 12V ON NC NC 12V 12V 9V 9V 5V 26V 26V 26V BAT BAT DC OK 9V ON 77 5dB ANT Li ion battery 1 Li ion battery 2 TX RX 1 2 3 1 2 3 1 2 3 3 2 1 OUT OUT IN Micro switch 48V Two way divider IN Filter 2 48V 48V 48V 48V ...

Страница 17: ...MCU The MCU is used to monitor and control the operation parameters of the TB 1800 and provides telecommunication interface for remote control and indicator LED indicators L1 L4 indicate the respective operation status Surge protector The surge protector is mounted next to the PSU Within it there are three connections Live Neutral and Grounding This provides protection to the PSU It is assumed the...

Страница 18: ... DC Power Supply Unit option PD 242435A 2 24V DC Power Supply Unit option 3 6V 1300mAh 6 Li ion Battery Assembly WAVECOM WMOD2 G900 Wireless Modem LSA20 385 Surge Protector Table 2 Manufacturing entities for product variant TB 1800 2 4 KIT OF PARTS The following table shows the kit of parts supplied with the equipment Product Identifier Description Qty R 9122C8 5140 1 Mounting rack kit 1 M10x110 M...

Страница 19: ... Downlink dBc 70 9KHz to 1GHz dBm 36 100kHz Spurious 1GHz to 12 75GHz dBm 30 1MHz Input VSWR 1 4 System Group Delay ns 500 Uplink Absolute Maximum RF Input Power dBm 13 Impedance Ω 50 Power Mechanical Environmental Dimensions H x W x D mm 600 x 450 x 195 43dBm 600 x 450 x 295 46dBm 600 x 450 x 195 40dBm 600 x 450 x 295 43dBm Weight approx kg 34 5 43dBm 45 5 46dBm 34 5 40dBm 45 5 43dBm VAC 180 280 ...

Страница 20: ...reless modem data or SMS OMC optional Local and Remote Controlled Parameters ATT Soft ON OFF Over Temp Threshold DL Output Power Threshold DL Input Power Threshold Alarm Report Enable Local and Remote Monitored Parameters Alarms LNA DL PA Power Down PSU Fault Door Open DL Input Power Low DL Output Power Low Over Temp Temp UL DL Gain DL Input Output Power Table 5 Management of TB 1800 End of sectio...

Страница 21: ...f damage to electrical systems due to adverse weather extreme temperatures wet corrosive or dirty conditions flammable or explosive atmosphere then the system must be suitably installed to avoid such a danger Protective Earthing Equipment provided for the purpose of protecting individuals from electrical risk must be properly used and maintained Handling Precautions This covers a range of activiti...

Страница 22: ...e direct day light temperature exceeds 40 C 104 F then barrier device should be installed to protect the equipment from sunlight exposure Powering The power supply unit PSU provides power to all modules within the equipment The PSU operates at 180 280V 45 55Hz 48VDC or 24VDC It is recommended that the PSU operate on a dedicated AC circuit breaker or fused circuit when VAC used for power supply In ...

Страница 23: ...d with good access to an earthing point 48VDC Power cord length is about 1 5m with CSA of 2 5mm2 Adjustable range 72VDC to 36VDC The output current should be greater than 10A There are three power supply options at each installation location 24VDC Power cord length is about 1 5m with CSA of 2 5mm2 Adjustable range 22VDC to 30VDC The output current should be greater than 20A EMC and interference Do...

Страница 24: ...l installation If damage is discovered at the time of installation contact the shipping agent 3 3 2 TOOLS Refer to appendix A for a full list of the recommended tools required for installation 3 3 3 PREPARATION Repeater z Mounting surface or pole capable of support equipment weight 34 5 45 5 kg z Power outlet is within about 3m for VAC power supply or within about 1 5m with CSA of 2 5mm2 for VDC p...

Страница 25: ... the enclosure and position it over the mounting rack hook the enclosure onto the mounting rack from the upper corners z Unlock the enclosure door and use allen key to remove four bolts on each corner of the door z Use four bolts M8x80 to secure the enclosure to the mounting rack these are accessed from the rear rack z Close the enclosure door tighten the bolts on four corners with allen key and l...

Страница 26: ...x85x110 to secure the mounting rack onto the pole z The remainders of the installation are identical to wall mounting Hex socket bolt M8x80 Nut flange Door Mounting Rack Pole U bolt M10x85x110 Rack nut Door lock Plain Washer 10 Nut M10 Figure 9 Pole mounting overview 3 3 7 DRIP LOOP It is recommended that every horizontal cable entry to the equipment forms a U before its entry to the equipment Any...

Страница 27: ...ecting a copper wire CSA 16mm2 to the grounding terminal on the equipment rack and the other end to a protective ground i e building earth point An internationally acceptable color code of the ground connection wire is green yellow Such a ground connection implements the Protective Ground Connection and must be connected to the equipment at the designated ground point In general do not connect the...

Страница 28: ...wer cable to the 48V and Return pin Two pair of extra connectors exist for 48V DC input and these could be left unconnected Note Power cord is pre wired to the PSU and led out through the Power cable gland Alarm port to BTS The external alarm port is located on the distribution board labelled as X15 It is connected to the BTS external alarm connection through the Power In cable gland on the bottom...

Страница 29: ...nnector RS 232 cable is connected to the serial port of the computer These two cables are connected via the DB9 connector shown as in the following figure Figure 11 Connecting local commission cable b With the enclosure opened customer can connect the equipment to the PC directly via the RS 232 port X18 on the distribution board inside the enclosure for local commissioning Note temporarily break t...

Страница 30: ...t is OFF while ON it s indicating faulty wireless modem and no communication will take place Table 7 LEDs on MCU MCU Initialization The diagnostic LED L2 L3 and L4 will flash simultaneously at the time the equipment is power up indicating the system is self checking About 60 seconds later L3 will keep flashing at the rate of 1 flash second L2 will be ON when any alarm occurs L4 will turn OFF after...

Страница 31: ...m and is designed for monitoring and maintaining of TB 1800 For TB 1800 the OMT software can accomplish the following functions z To configure and adjust the operating parameters z To display the internal operation status z To display the input field level and output power z To download MCU firmware 4 4 NON VOLATILE MEMORY A non volatile storage device on the MCU holds the configuration of the equ...

Страница 32: ...for SIM card is data enabled and without PIN code To insert or replace the SIM card locate and press down the recessed button to eject the SIM carrier Insert the SIM and push back the carrier until it is latched in place 4 6 PHYSICAL CONNECTION OF OMT TO EQUIPMENT Before OMT software gets started physical connection between OMT software and the equipment must be achieved Refer to Figure 11 Connect...

Страница 33: ... can be done locally or remotely Double click the OMT explorer icon enter the password of 888888 in the pop up dialog window the OMT Explorer software window will pop up as shown below Figure 15 OMT explorer window Double click Bidirectional Broadband Frequency Selective Tower Mounted Booster in the left window or click AutoLink icon on the toolbar to connect the equipment to the OMT By doing so t...

Страница 34: ...cal Connection in the above window the window for choosing serial port will pop up Figure 17 OMT screenshot communication setup In the above window select the desired communication port and then click Ok button to continue Click Online button in the follow up window At this stage the OMT main window will appear and is followed by a pop up message Online OK ...

Страница 35: ...ine ok In the event of connection failure a connection prompt will appear on the screen proceed to verify the following and re try the connection z Check the power connection z Check serial port selection z Check speed setting for the port z Check whether the mains voltage is normal and whether the TB 1800 is switched on z Check whether the Device ID is correct when connection to OMC For any param...

Страница 36: ...ink mode alarms can be sent over the PSTN to a maximum of four numbers Table 8 Management Network Parameters Note 1 Only one communication mode is available at one time Green indicates active and red indicates disable Note 2 If the alarm message has been acknowledged using OMT then it would not be reported again In addition in this window located the following buttons Online Device Reset Firmware ...

Страница 37: ...er low threshold and over load threshold The input power low threshold ranges from 20 to 40dBm and the over load threshold ranges from 20 to 40dBm If the measured power value is lower than the power low setting or more than the power overload setting the appropriate power alarm will be generated DL VSWR Threshold Not applicable for this product Temperature threshold The settable range is 40 to 100...

Страница 38: ...is product Switch Module1 Switch Module 2 alarms Not applicable for this product Reflexible POL1 POL 2 Not applicable for this product Chassis lock alarm Check whether the enclosure door is closed Misplaced alarm Not applicable for this product Over temp Check whether the temperature of UL DL PA is over normal temperature or sever temperature DL VSWR alarm Not applicable for this product DL VSWR1 ...

Страница 39: ...ignated Alarm occurs it will be visible on OMT and or reported to OMC If OMC does not acknowledging after a time out of three minutes the same alarm will be reported to OMC After each the time out the un acknowledged alarm will be reported again with a total of with five attempts Should the alarm is acknowledged within the time out period the alarm is acknowledged and reported stops Alarm is clear...

Страница 40: ...ndow Firmware update is carried out when a new version is released The current firmware version is at release V4 6 01 which is shown on the upper middle of the OMT main window 4 7 2 7 SOFTWARE VERSION OMT software are designed to be backward compatible to view the OMT software version select Help About in the OMT software main window 4 7 2 8 EXIT OMT Click Exit sub menu under System command of OMT...

Страница 41: ...itch and set site ID telephone number as well as channel number of the TB 1800 s operating frequency 3 Set monitoring system parameters 4 Measuring power z Check downlink input power whether can satisfy design requirements 5 Test DL output power and adjust DL ATT level z Set the DL ATT to the optimal level to avoid saturating the DL PA or to satisfy design requirement Table 11 Commissioning proced...

Страница 42: ...wire connections are OK then the respective modules may be faulty Replace the fault modules and return it to the factory for repair DL input power low alarm Check whether the low threshold of downlink input power is set properly It is recommended to set 3 5 dBm lower than the actual value If the alarm can not be cleared check the DL input power DL input overload alarm Check whether the low thresho...

Страница 43: ...sary z Make sure the cable gland and sealing on the RF cable connectors are not damaged z Verify lightning and grounding protection is in good condition z For Li ion back up battery verify its state Deeply discharged battery shall be return to Comba for replacement A simple procedure to check Li ion battery after operating for 24 hours switch off AC power supply Measure and if the voltage of Li io...

Страница 44: ... TOOLS AND EQUIPMENT FOR INSTALLATION Shown below is a list of the recommended tools for new installation and routine maintenance Description Slotted screwdriver Philips screwdriver Assorted ring spanner M8 M10 Electrically operated drill and masonry drill bits Anti static wrist strap Allen key RF power meter e g Bird 5000 ...

Страница 45: ...z To download MCU firmware 7 2 1 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 z RAM 128MB z HDD 1GB z VGA 14 inch with 800 600 resolution z serial cable supplied z Modem either type may be used Wireline modem 56K modem Wireless modem Wavecom wireless mo...

Страница 46: ...er on the hard disk and give it a name e g OMT V1 03 Then copy all the files including OMT Explorer and TB 1800 component from the installation disk to the newly created folder b Double click the OMT_V2_10_EN_FULL logo Figure 20 OMT software installation window c When the message window appears select Next the following pop up window appear Figure 21 Components selective window ...

Страница 47: ...e page Page 47 ENU Status 1 0 0 d Create the installation folder and select Next OMT Explorer installation would be finished as the following window appears Figure 22 Installation of OMT explorer completed e Select Finish the OMT Explorer installation is completed ...

Страница 48: ...ctions until the following window is shown Select Finish to complete the installation Figure 23 Installation of TB 1800 component completed At this stage OMT could be executed immediately by selecting Launch OMT explorer V2 10 immediately A window prompting the input of password will appear enter the default password of 888888 and then OK the OMT explorer window will pop up see Figure 15 OMT explo...

Страница 49: ...uted right click onto the corresponding model select Uninstall Application in the pop up menu In the following message select Ok Figure 24 TB 1800 component uninstallation confirmation In the following window select Yes at this stage the component will be uninstalled from the PC Figure 25 TB 1800 component Uninstallation final confirmation Method 2 Double click the OMT software logo can also unins...

Страница 50: ... 3 OMT EXPLORER UN INSTALLATION To uninstall OMT explorer software from the PC follow the steps a Select START Program OMT Explorer V2 10 b Select Uninstall Simplify OMT the following message appears c Select OK OMT Explorer will be un installed Figure 26 OMT Explorer uninstallation acknowledgement ...

Страница 51: ...lowing figure OMT Explorer can automatically recognize the corresponding product OMT software The following figure shows the OMT Explorer V2 10 main screen As the figure shows that the main screen is divided into four parts Part 1 Pull down menu For each menu sub menus for each command are selected Part 2 Toolbar showing some toolbar buttons Part 3 Product list window showing specific product soft...

Страница 52: ...s command is used to connect the equipment to the product OMT software automatically Search F Used to search the desired OMT software Refresh R Used to refresh the OMT Explorer software Change Password Used to change the login password The default password to login the OMT explorer software is 888888 Quit This command is used to exit the OMT explorer software The Help menu has one sub menu About T...

Страница 53: ...ure shows the toolbar Including Online Device Reset Download Help and Quit command Identifier Appearance Function Help Show OMT explorer software information Quit Exit the OMT explorer software Refresh Used to refresh the OMT Explorer software Autolink Connect the equipment to the product OMT software automatically Search Used to search the desired OMT software ...

Страница 54: ...825 2 529 1713 6 1808 6 571 1722 0 1817 0 613 1730 4 1825 4 530 1713 8 1808 8 572 1722 2 1817 2 614 1730 6 1825 6 531 1714 0 1809 0 573 1722 4 1817 4 615 1730 8 1825 8 532 1714 2 1809 2 574 1722 6 1817 6 616 1731 0 1826 0 533 1714 4 1809 4 575 1722 8 1817 8 617 1731 2 1826 2 534 1714 6 1809 6 576 1723 0 1818 0 618 1731 4 1826 4 535 1714 8 1809 8 577 1723 2 1818 2 619 1731 6 1826 6 536 1715 0 1810 ...

Страница 55: ... 8 697 1747 2 1842 2 739 1755 6 1850 6 656 1739 0 1834 0 698 1747 4 1842 4 740 1755 8 1850 8 657 1739 2 1834 2 699 1747 6 1842 6 741 1756 0 1851 0 658 1739 4 1834 4 700 1747 8 1842 8 742 1756 2 1851 2 659 1739 6 1834 6 701 1748 1843 743 1756 4 1851 4 660 1739 8 1834 8 702 1748 2 1843 2 744 1756 6 1851 6 661 1740 0 1835 0 703 1748 4 1843 4 745 1756 8 1851 8 662 1740 2 1835 2 704 1748 6 1843 6 746 1...

Страница 56: ...67 862 1780 2 1875 2 781 1764 1859 822 1772 2 1867 2 863 1780 4 1875 4 782 1764 2 1859 2 823 1772 4 1867 4 864 1780 6 1875 6 783 1764 4 1859 4 824 1772 6 1867 6 865 1780 8 1875 8 784 1764 6 1859 6 825 1772 8 1867 8 866 1781 1876 785 1764 8 1859 8 826 1773 1868 867 1781 2 1876 2 786 1765 1860 827 1773 2 1868 2 868 1781 4 1876 4 787 1765 2 1860 2 828 1773 4 1868 4 869 1781 6 1876 6 788 1765 4 1860 4...

Страница 57: ...EQUIPMENT MANUAL FOR TB 1800 TB 1800 QE Copyright refer to title page Page 57 ENU Status 1 0 0 7 5 APPENDIX E RMA RETURN MATERIAL AUTHORIZATION FORM End of section End of Document ...

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