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Changing the Polarization Direction of the Hybrid Coupler

Installing the Hybrid Coupler on the Antenna



The hybrid coupler is available in multiple types. This procedure for changing the polarization direction of the

hybrid coupler is provided for reference only. In actual installation, follow the instructions delivered with the
hybrid coupler.



By default, the hybrid coupler applies vertical polarization. If horizontal polarization is required, change the

polarization direction of the hybrid coupler antenna port.



When adjusting the polarization direction of the hybrid coupler , ensure the seal washer is correctly installed

and intact.

1. Loosen the four hex socket screws

②

and remove the polarizer

①

. Note: Ensure that the seal washer does not

fall off during this procedure.
2. Align the arrow (↑) on the polarizer

①

with the letter H on the antenna by rotating the polarizer

①

.

3. Check whether the seal washer is correctly installed and intact before installing the polarizer. Then, install the
polarizer

①

and tighten the four hex socket screws

②

.

Installing the ODU

①

②

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Содержание RTN XMC ODU V200

Страница 1: ...HUAWEI TECHNOLOGIES CO LTD RTN XMC ODU V200 Quick Installation Guide Issue 05 Part Number 31506440 Date 2017 09 15 ...

Страница 2: ...ducts services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to change without notice Every e...

Страница 3: ...document The functions of Fixed Service FS for this device are restricted to use and put into service due to the need for a spectrum license and or the conditions attached to authorisation for the use of frequencies within all European Union countries BE BG CZ DK DE EE IE EL ES FR HR IT CY LV LT LU HU MT NL AT PL PT RO SI SK FI SE UK Product Name Product Version RTN XMC ODU V200 V200R001 ...

Страница 4: ... ODU on the Antenna Adapter Installing the Hybrid coupler on the Antenna Adapter Installing the OMT Installing the ODU on the OMT Installing ODU Cables Installing IF Cable Installing the PGND Cable of the ODU Installing the Surge Protector and Its PGND Cable Optional Grounding the IF Cable Installation Check Items to be Checked for the Antenna Hybrid Coupler and ODU Items to be Checked for Separat...

Страница 5: ...bjects When heavy objects are hoisted do not stand or walk under the boom or the objects Microwave High power radio frequency signals are harmful to human body Do not stay too close to the antenna in the emitting direction of the antenna when the microwave communication equipment is working When installing or maintaining an antenna on the tower or pole installed with more than one antenna avoid th...

Страница 6: ...e Wrenches Level carpenters Socket Wrench Torque Wrench Allen Wrench Cable Cutter Diagonal Cutters Needle nose Pliers Pliers Bayonet Wrench Utility Knife Claw Hammer Marker Pen Ladder Compass Lifting Rope Lifting Hook Antistatic Gloves Multimeter PVC Tape File Waterproof Insulation Tape ...

Страница 7: ... Appearance and Interfaces of the Hybrid Coupler a Appearance and Interfaces of the ODU Components of the ODU Installing the ODU Grounding screw IF interface Antenna interface RSSI interface Interface Name Interface Label Main tributary interface MAIN Extension tributary interface STD BY ...

Страница 8: ...g Bracket Components of the ODU Main bracket Auxiliary bracket Transfer component d Appearance of the Antenna Adapter Polarization identifier Interface on the ODU hybrid coupler side Guide trough Interface on the antenna side Installing the ODU ...

Страница 9: ...axial cable connector N type male RF coaxial cable connector TNC type male Grounding bar Naked crimping connector OT type PGND cable of the ODU e Appearance of the Flexible Waveguide Installing the ODU PGND cable of the ODU NA Naked crimping connector OT type Grounding clip base ...

Страница 10: ...ne ODU installed on one antenna Two ODUs installed on one antenna 1 Direct Mounting Mode 2 Separate Mounting Mode Installing the ODU One ODU installed on one antenna Two ODUs installed on one antenna Use a hybrid coupler adaptive to the XMC ODU if two ODUs are configured with only one antenna installed in direct mounting mode ...

Страница 11: ...id coupler on the antenna or the antenna adapter Install the ODU on the antenna or the antenna adapter Install the ODU on the hybrid coupler Install the ODU cables End Two ODUs intalled on one antenna Y N N Y P17 or P28 P19 P32 P42 P15 or P27 P26 Install the antenna Referring to the instructions for the antenna Referring to the instructions for the antenna and Page 14 Apply vertical polarization i...

Страница 12: ...d Two ODUs intalled on one antenna N Y Install the antenna Install the hybrid coupler on the ODU separate mounting bracket Install the ODU on the hybrid coupler Install the flexible waveguide P20 P22 P21 P21 P32 42 P19 Change the antenna polarization Referring to the instructions for the antenna and Page14 10 Apply vertical polarization in the network planning Y N Referring to the instructions for...

Страница 13: ...ODU on the ODU separate mounting bracket Install the ODU cables End N Y Install the antenna Install the hybrid coupler on the ODU separate mounting bracket Install the ODU on the hybrid coupler Install the flexible waveguide P20 P22 Referring to the instructions for the antenna P21 P21 P32 42 P19 Two ODUs installed on one feeder boom Separate Mounting Mode ...

Страница 14: ...nditions such as windy rainy or stormy weather After the ODU is unpacked or powered off it must be powered on within 24 hours to avoid moisture accumulation in it Do not damage the coating when you install or replace an ODU In case of operating in the sea or around the coast area within 3 7 km from coastline or 3 km away from inland pollution sources including coal mines metallurgic plant thermal ...

Страница 15: ... fastening screw on feed boom so that the feed boom can rotate freely 2 Rotate the feed boom 90 degrees in a clockwise direction or an anticlockwise direction to ensure that the red polarization identifier on the feed boom is aligned with the H identification line 3 Adjust feed boom to align the four feed booms tabs with the holes in the feed boom and then tighten fastening screw on the feed boom ...

Страница 16: ... H When the antenna is installed in vertically polarized mode secure guide pin to identifier V Before securing the guide pin you should screw out the plastic screw at identifier V The following describes how to install the guide pin for horizontal polarized antennas The guide pin is used together with the guide through to facilitate the installation of the ODU Apply anti seize grease to the screws...

Страница 17: ... the ODU into guide trough facing the antenna direction 3 4 Install the ODU on the antenna and ensure that the IF interface of the ODU faces downwards 3 5 Screw the four M6 captive screws on the ODU part way in and then tighten them cornerwise in sequence Installing the ODU on the Antenna Screwing stop surface Installation surface If the screwing stop surface of the captive screw is in complete co...

Страница 18: ...polarization is required change the polarization direction of the hybrid coupler antenna port When adjusting the polarization direction of the hybrid coupler ensure the seal washer is correctly installed and intact 1 Loosen the four hex socket screws and remove the polarizer Note Ensure that the seal washer does not fall off during this procedure 2 Align the arrow on the polarizer with the letter ...

Страница 19: ...en install the hybrid coupler onto the antenna 4 Screw the four M6 captive screws of the hybrid coupler part way in and then tighten them cornerwise b Installing the Hybrid coupler on the Antenna Installing the Hybrid Coupler on the Antenna The direction of the waveguide cavity of the antenna feeder must be the same as that of the waveguide cavity on the antenna interface of the hybrid coupler Ins...

Страница 20: ...uide trough of the hybrid coupler and then install the ODU onto the hybrid coupler Ensure that the IF interface of the ODU faces downwards 5 Screw the four M6 captive screws of the ODU part way in and then them cornerwise Two ODU interfaces are available on the hybrid coupler The main ODU must be installed on the MAIN interface of the hybrid coupler and the standby ODU must be installed on the STD...

Страница 21: ... fixture is fixed 2 Slide the auxiliary bracket downwards between the dual port nuts of the main bracket If you hear a click sound it indicates that the auxiliary bracket is fixed securely The identifier of the auxiliary fixture should face upwards 3 Use an adjustable wrench to tighten the two dual port nuts alternatively to ensure that the main bracket and auxiliary bracket are securely mounted o...

Страница 22: ... If you hear a click it indicates that the transfer component is fixed securely Installing the Hybrid Coupler on the ODU Separate Mounting Bracket Installing the ODU You can loosen the screw on the mounting slot to remove the transfer component 1 Install ODU on transfer component and then tighten the four screws 2 Attach the transfer component which is installed with an ODU to main fixture If you ...

Страница 23: ...in the middle with the fixtures For detailed installation position and methods see instructions delivered with the flexible waveguide Fix one end of the flexible waveguide to the flange interface of the ODU hybrid coupler and the other end to the flange interface of the antenna The direction of the flexible waveguide should be consistent with that of the ODU hybrid coupler antenna Use the fixture ...

Страница 24: ...e bolt according to the position of the flexible waveguide Components of the Flexible Waveguide Fixture a Supporting bolt Adjust the nuts Flexible waveguide sheath Flexible waveguide clip Hoop iron Fixture Supporting bolt Fixture Hoop iron Flexible waveguide clip Flexible waveguide sheath Installing the ODU Installing Guide for the Flexible Waveguide Fixture ...

Страница 25: ...G 42G 15G 11G 13G 7G 8G When fixing the 11G 13G flexible waveguide use both the 7G 8G flexible waveguide sheath and 11G 13G flexible waveguide sheath Place the flexible waveguide in the 11G 13G flexible waveguide sheath and then place the 7G 8G flexible waveguide sheath in the 11G 13G flexible waveguide sheath Installing the ODU Fixing the Flexible Waveguide c When fixing the 7G 8G flexible wavegu...

Страница 26: ...he flexible waveguide clip When installing a 0 9 m long flexible waveguide you need to use a flexible waveguide clip evenly divide the flexible waveguide into two sections and then install the two sections in proper positions When installing a 1 2 m long flexible waveguide or 1 8 m long flexible waveguide you need to use two flexible waveguide clips evenly divide the flexible waveguide into three ...

Страница 27: ...he antenna feed boom Note End face should not be applied with lubricant 2 Apply anti seize grease to the four M6 captive screws of the antenna adapter 3 Install the antenna adapter onto the antenna Keep the direction of the waveguide cavity consistent with that of the adapter and ensure that one of the guide troughs should face upwards 4 Screw the four M6 captive screws of the ODU about 30 and tig...

Страница 28: ...r M6 captive screws about 30 and tighten them cornerwise The direction of waveguide cavity of the ODU must be the same as that of the waveguide cavity of the antenna adapter Observe the guide pin position of the ODU It is attached to the inner side of the ODU handle by default When the antenna is installed in horizontally polarized mode secure the guide pin to identifier H For details see page 15 ...

Страница 29: ...rew the four M6 captive screws of the hybrid coupler about 30 and tighten them cornerwise By default the hybrid coupler applies vertical polarization If horizontal polarization is required change the polarization direction of the hybrid coupler For details see page 17 Apply lubricant on gasket Do not apply lubricant on end face The direction of the waveguide cavity on the antenna interface of the ...

Страница 30: ...e feed boom Apply the appropriate quantity of lubricant on the gasket of the feed boom and the surface of the waveguide near the gasket Do not apply the lubricant on the internal surface of the antenna port on the ODU Otherwise the transmission of signals is affected Installing the bolts b Reserve the hole Place the five M8 bolts into the holes and expose each of the bolts for a length of 10 mm 0 ...

Страница 31: ...nsure that the OMT is in proper contact with the antenna Apply 18 7Nm 165 51 lbf in 5 force to tighten the bolts Install the M8 bolts and tighten them using the spanner provided by the OMT vendor Turn the OMT alternatively to the left and right to align it Ensure that the OMT is in a correct direction Installing the ODU Installing the OMT ...

Страница 32: ...must be connected to the interface marked with H Place the O ring of the feed boom onto the ODU interface on the OMT apply proper lubricants to the surface of the O ring and the surface of the waveguide close to the O ring Do not apply the lubricants on the front side of the feed boom Otherwise signal transmission is deteriorated Install the ODU onto the OMT according to the polarization indicator...

Страница 33: ... cable to the IDU through the IF jumper Connect the 5D cable to the IDU directly RG 8U cable or 1 2 inch cable IDU Make an N type connector For details see page 46 IF jumper Make an N type connector For details see page 46 5D cable IDU Make a TNC type connector For details see page 47 Make an N type connector For details see page 46 ...

Страница 34: ...cuit the internal and external conductors and then use a multimeter to test the resistance The resistance should be 0 ohms 2 Remove the short circuiting line and use a multimeter to test the resistance between the internal conductor and the external conductor The resistance is infinite b Testing the Connectivity of the IF Cable ...

Страница 35: ...curved for waterproof consideration under the ODU and before entering the IDU room The bending radius of the IF cable should be larger than 40 cm 15 7 inch The IF cable should be bound by using outdoor cable ties or feeder clamps every one meter 3 28 ft a b c d Feeder clamps Installing ODU Cables Installing IF Cable Cable straps may be fractured during installation or in specific environment Fixin...

Страница 36: ...ng waterproof curves Coil the IF cable into a circle with a diameter of 0 6 m 1 97 ft and bind it onto the mast after the IF cable passes the waterproof curve under the ODU for future adjustment of the antenna position Waterproof curve 4 Binding the labels of IF cables 20 cm ODU Waterproof curve IF cable 7 9 inch ...

Страница 37: ... is connected to the ODU The other end of the IF cable is terminated with the TNC connector If the equipment is configured with the IF 1 1 protection the IF cable of the main ODU must be connected to the IF jumper of the working IF board and the IF cable of the standby ODU must be connected to the IF jumper of the protection IF board If the IF boards that provide the XPIC function are used the IF ...

Страница 38: ...d with the TNC connector If the equipment is configured with the IF 1 1 protection the IF cable of the main ODU must be connected to the IF jumper of the working IF board and the IF cable of the standby ODU must be connected to the IF jumper of the protection IF board If the IF boards that provide the XPIC function are used the IF cable of the ODU that applies the vertical polarization must be con...

Страница 39: ...ated with the TNC connector If the equipment is configured with the IF 1 1 protection the IF cable of the main ODU must be connected to the IF jumper of the working IF board and the IF cable of the standby ODU must be connected to the IF jumper of the protection IF board If the IF boards that provide the XPIC function are used the IF cable of the ODU that applies the vertical polarization must be ...

Страница 40: ...int Grounding clip base 1 To facilitate the installation connect the IF cable to the IF interface of the ODU and waterproof the connector and then connect the PGND cable of the ODU 2 After installing ground cables spread antirust around the ground screws and the ground points of mechanical parts for protection Note that rust inhibitor is not delivered with the ODU Installing ODU Cables Installing ...

Страница 41: ...ts PGND Cable Optional This operation is required only when the site needs to be configured with the surge protector Installing ODU Cables Installing the Surge Protector and Its PGND Cable NA This operation is required only when the site needs to be configured with the surge protector 40 If the surge protector cannot be directly connected to the IF interface on the ODU due to the structural restri...

Страница 42: ... than 30 meters 98 42 ft 5 Optional The middle point of the horizontal portion of the cable when the horizontal portion on the roof top is longer than 60 meters 196 85 ft Grounding the IF Cable a Grounding points of the IF cable The grounding point depends on the installation mode and the length of the IF cable Generally the IF cable should be grounded to a minimum of three points When the IF cabl...

Страница 43: ...ounding wire of the clip and the IF cable should not be larger than 15 degrees When the IF cable is vertically routed the grounding wire of the clip should be led downwards Grounding the IF Cable b Grounding the IF Cable Installing the Grounding Clip Installing ODU Cables The ground point at the bottom of the tower is connected to the ground using a U shaped clamp The ground point before being led...

Страница 44: ...gle of the lightning rod should be less than 45 degrees In mountainous and thunder prone areas the angle should be less than 30 degrees Items to be checked for Separate Mounting Components Serial No Checking Requirement 1 The installation location and direction of the ODU separate mounting bracket should conform to the information in the engineering design document 2 The ODU separate mounting brac...

Страница 45: ... wiring frame the spacing between cable ties should be about 1 m 3 28 ft 9 Leave some slack before cutting cable ties 10 The labels of the IF cable should be affixed based on the specifications They should be neatly aligned and face the same direction 11 The excess slack of the IF cable should be coiled into circles with a diameter not less than 60 cm 23 62 inch and should be bound onto the pole o...

Страница 46: ...ler For details see Replacing the ODU on the antenna on page 45 2 Loosen the four M6 captive screws of the hybrid coupler cornerwise 3 Remove the hybrid coupler 4 For details about the installation of the hybrid coupler see page 17 Here describes the method for replacing the hybrid coupler on the antenna which is similar to the methods for replacing the hybrid coupler on other components Here desc...

Страница 47: ...erminating the IF Cable with the N Connectors 1 Stripping off the cable sheath 2 Gliding the lock nut and clamp 1 3 Folding back the braided shield to cover clamp 1 and binding the braided shield by using clamp 2 16 mm 0 63 inch Lock nut Clamp 1 Clamp 2 Cutting off the redundant part of the shielding layer 6 mm 0 24 in 0 5 mm 0 02 inch Filing the core wire head into an arc shape 15 N m 132 76 lbf ...

Страница 48: ...ff the dielectric insulating layer 5 Installing the body of the connector Terminating the IF Cable with the TNC Connectors 16 mm 0 63 inch Lock nut Clamp 1 Clamp 2 Cutting off the redundant part of the shielding layer 6 mm 0 24 inch 0 5 mm 0 02 inch Filing the core wire head into an arc shape Body of the connector Rotating to tighten the lock nut Fixing the connector 15 N m 132 76 lbf in Appendix ...

Страница 49: ... of waterproof insulation tape 3 Wrapping three layers of PVC tape over the waterproof insulation tape 4 Using the outdoor bundling strap to bind the PVC tape tight at both ends Cut off the extra cable strap after the PVC tape is tightened Appendix Waterproof insulation tape PVC tape PVC tape ...

Страница 50: ...49 BNC Voltage for RSSI and Receive Signal Level Look Up Table Appendix BNC Voltage for RSSI and Receive Signal Level Look Up Table ...

Страница 51: ...HUAWEI TECHNOLOGIES CO LTD Huawei Industrial Base Bantian Longgang Shenzhen 518129 People s Republic of China www huawei com ...

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