HUAWEI EQUIPMENT INSTALLATION

Internal 01 August 2006 Preparation of Antenna Feeder Connector Course No : EQA CM-004 Composer : Engineering Quality Dept HUAWEI TECHNOLOGIES CO., LTD All rights reserved www.huawei.com Note:  Throughout the installation of antenna feeder, preparation of feeder connector is a very important task Whether the operation is standard and correct directly affects the working performance of the antenna feeder There are two types of common used feeder connector: 7/16 DIN feeder connector and 7/16 DIN jumper connector You can prepare the connector by the following related connector preparation flow and specifications HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation of 7/16 DIN Feeder Connector Preparation of 7/16 DIN Jumper Connector Connection and Water-Proof Measure of Connector HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation Flowchart of Antenna Feeder Connector Prepare tools Truncate the antenna feeder Prepare the connector Prepare tools Seal the connector Check the connector HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector Get familiar with the preparation flow by reading the connector preparation instructions Prepare the connector preparation tools and place them in the easily accessible place HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector Straighten the feeder to be installed with the connector and strip off a section of sheath of the feeder with a guarded knife Keep the notch flat when stripping the feeder HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector At the place about 28 mm away from the stripped point, cut off the feeder with a hacksaw The section must be flat and on the wave crest of the feeder HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector Use the expansion tool to expand the external conductor of the feeder If the inner or external conductor of the section of the feeder has burrs, use the file to remove the burrs HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector Use a brush or tape to remove the debris of the connector Before installing the connector, unscrew the connector first HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector Manually screw the connector on to the feeder Use one spanner on the connector cap and remain steady, and use another spanner to fasten the screw HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 10 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector By now, installation of the feeder connector is completed Before connecting the jumper, use a plastic bag or tape to cover the feeder connector to prevent any damage HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 11 Preparation of 7/16 DIN Feeder Connector Preparation of 7/16 DIN Jumper Connector Connection and Water-Proof Measure of Connector HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 12 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector Take out the connector preparation instructions from the package and get familiar with the preparation flow Prepare the connector preparation tools and place them in the easily accessible place HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 13 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector Coat the feeder with heat-shrinkable tube and use the cable pliers to remove the external conductor 7mm away from the connector The section must be flat HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 14 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector Use the guarded knife to carefully remove the foam and adhesives without damaging the inner conductor Cut off the sheath of the cable 19 mm away from the connector HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 15 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector To facilitate the installation of cover cap, use the file to remove the mm of the edge angle of the inner conductor and brush off the debris HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 16 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector Spread the Vaseline onto the jumper, on which the sheath is removed Then cover the jumper with the water-proof rubber band HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 17 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector Screw the fastening nut onto the cable until the pad is in flush with the fastening nut HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 18 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector Fasten the connector cap on the screw thread Steady the fastening nut with one spanner and use another spanner in the front to fasten the connector cap HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 19 Preparation and Specifications of Antenna Feeder Connector — 7/16 DIN Jumper Connector Use the heat gun to fasten the heatshrinkable tube Test the feeder and use the feeder after the test is passed HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 20 Preparation of 7/16 DIN Feeder Connector Preparation of 7/16 DIN Jumper Connector Connection and Water-Proof Measure of Connector HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 21 Specifications for Connecting the Antenna Feeder Connector and Jumper Connector Manually connect the jumper with feeder connector and then use the spanner to fasten them HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 22 Specifications for Connecting the Antenna Feeder Connector and Jumper Connector Wrap the connector: First, wrap three layers of water-proof daub Finally, wrap three layer of insulation tape again After that, use the bandage to fasten the connector wrapped with the insulation tape HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 23 Specifications for Connecting the Antenna Feeder Connector and Jumper Connector Wrapping requirement: Wrap one layer from bottom upward, one layer from top to bottom, and finally one layer from bottom upward When wrapping the tape or daub, make sure that the upper layer covers 1/3 of the lower layer The daub must be stretched to 50% The tape must be wrapped smoothly HUAWEI TECHNOLOGIES CO., LTD All rights reserved Page 24 Thank You www.huawei.com ... and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector Straighten the feeder to be installed with the connector and strip off a section of sheath of the feeder with a guarded... of Antenna Feeder Connector — 7/16 DIN Feeder Connector By now, installation of the feeder connector is completed Before connecting the jumper, use a plastic bag or tape to cover the feeder connector. .. and Specifications of Antenna Feeder Connector — 7/16 DIN Feeder Connector Use a brush or tape to remove the debris of the connector Before installing the connector, unscrew the connector first