Installation Manual iSiteC BTS3601C CDMA Base Station Table of Contents Table of Contents 3 Installing RF Antenna and Feeder System.........................................................................3-1 3.1 Installation Flow.........................................................................................................3-1 3.2 Installing Antenna Accessories ...................................................................................3-3 3.2.1 Installing Omni Antenna Accessories.........
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System 3 Installing RF Antenna and Feeder System The RF antenna and feeder system of BTS consists of antenna, feeder, jumper and feeder grounding clip, etc. 3.1 Installation Flow According to different installations of the BTS major equipment, the installation of the antenna and feeder system differs. The installation flow of the antenna and feeder system is shown in Figure 3-1.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Start to install Assemble antenna I nst al l copper busbar I nst al l ant enna suppor t I nst al l ant enna I ndoor i nst al l at i on Out door i nst al l at i on Sel ect t he i nst al l at i on mode I nst al l f eeder , t hen connect ant enna wi t h f eeder t hr ough j umper , and get f eeder gr ounded. Y I nst al l seal i ng wi ndow f or f eeder . Lead f eeder i ndoor and appl
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System 3.2 Installing Antenna Accessories 3.2.1 Installing Omni Antenna Accessories Accessories used to assemble the omni antenna are antenna fixing clip and jumper. The omni antenna fixing clip is shown in Figure 3-2 and Figure 3-3.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System The installation procedure of accessories is as follows: 1) Assemble the two fixing clips of the omni antenna with the part contacting the antenna fastened so as to reduce the work on the tower or the building-top, as shown in Figure 3-4.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-5 Directional antenna fixing clip Figure 3-6 Directional antenna tilt angle adjustment device The installation procedure of accessories is as follows: 1) First, determine the two fixed adjusting points on the top and bottom of the antenna according to the label on the back of the antenna.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-7 shows the connection between the directional antenna and jumper, and the jumper connector after treatment. Figure 3-7 Connection between directional antenna and jumper and jumper connector after treatment Caution: Antenna fixing clip and pitch angle adjustment device must be furnished with spring washers and plain washers in correct installation sequence. 3.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System (1) 33 0m m (1) M8 bolt Figure 3-8 Structure of the grounding copper bar The installation is shown in Figure 3-9 and Figure 3-10.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-11 Insulation washer Caution: Insulation washer should be furnished when the expansion bolt is installed. So the grounding copper bar is insulated from the wall. 3.4 Installing Antenna Support & Note: In non-turnkey project, the user should prepare the antenna support when preparing the environment. Huawei is responsible for antenna support installation only in turnkey project.
Installation Manual iSiteC BTS3601C CDMA Base Station (1) M12%220 bolt (5) Fixing arm Hardware Installation 3 Installing RF Antenna and Feeder System (2) Joint soleplate (6) Whirling arm (3) M12%45 bolt (7) Reinforcing arm (4) Expansion arm Figure 3-12 Structure of antenna support installed on tower II. Installation requirements 1) Installation plane of the antenna support should be vertical to the horizontal plane.
Installation Manual iSiteC BTS3601C CDMA Base Station 3) Hardware Installation 3 Installing RF Antenna and Feeder System Make sure that the installation direction of the antenna support would not influence the receiving (RX)/transmitting (TX) performance and direction adjusting of the antenna. 4) If necessary, take suspension measures to avoid distortion of the antenna support as it will be in use for a long time. 5) Whirling arm should be reinforced by reinforcing arm.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System (1) Antenna lightning arrester (5) Expansion M12%120 bolt (2) 180° joint (6) Washer v12 (3) V-joint (7) Anchor (9) Mounting plate (soldered) (13) M10%45 bolt (10) Spring washer v10 (14) 120° joint (11) Washer v10 (15) Mainstay support of the antenna (4) Reinforcing arm (8) Covered with concrete (12) Nut M10 Figure 3-15 Structure of antenna support installed on building-top II.
Installation Manual iSiteC BTS3601C CDMA Base Station 3) Hardware Installation 3 Installing RF Antenna and Feeder System Antenna support on building-top must be equipped with lightning arrester, and the support should be connected to the building lightning-protection network. 4) The surface of the support and all the soldered parts should be covered by anti-rust paint. All the soldered parts should be secure enough without dry joint and open solder point. III.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System the building-top floor with two M10%45 expansion bolts. Make sure the connection of the reinforcing arms will not be twisted. 6) As shown in Figure 3-17, connect mainstay support 2 with mainstay support 1 tightly with six M10%80 bolts.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System IV. Installing the support on building-top with parapet If there is parapet around the building-top, and it is inconvenient to install the support on the building-top, just mount the support on the parapet. Figure 3-18 illustrates the antenna support fixing clip mounted on the parapet.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-19 Antenna support fixed on parapet (with parapet not shorter than 1200mm) In the case the parapet is shorter than 1200mm, fix one fixing point of the mainstay support to the parapet with expansion bolt, and the other fixing point to the building, as shown in Figure 3-20.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System 3.5 Installing Antenna 3.5.1 Antenna Facade The façade of omni antenna and directional antenna is shown in Figure 3-21. (1) (1) Omni antenna (2) (2) Directional antenna Figure 3-21 Antennae 3.5.2 Hoisting Antenna Tie a knot at both ends of the antenna with a rope. Persons both on the tower and down the tower cooperate to hoist the antenna to its position.
Installation Manual iSiteC BTS3601C CDMA Base Station (1) Tower (4) Jumper waterproof elbow Hardware Installation 3 Installing RF Antenna and Feeder System (2) Tower-top antenna support (5) Cable tie (3) Omni antenna Figure 3-22 Installing the omni antenna on tower platform I. Installation requirements l When installing the omni antenna on the tower, make sure the antenna is in the protection range of lightning arrester on the tower.
Installation Manual iSiteC BTS3601C CDMA Base Station 5) Hardware Installation 3 Installing RF Antenna and Feeder System Route the antenna jumper with natural jumper curves of proper angle. Generally, it is required that the radius of the curves be 20 times larger than the jumper diameter and the jumper be bound to the steel rack of the tower along the support crosspiece with black cable tie.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System (1) Antenna lightning arrester (2) Antenna (3) Omni antenna fixing clip (5) Road surface (6) Building-top (7) Reinforcing arm (4) Mainstay support of antenna Figure 3-24 Installing the omni antenna on building-top support 3.5.4 Installing Directional Antenna The installation of directional antenna on the tower side is shown in Figure 3-25.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-25 Installing the directional antenna on the tower side I. Installation requirements l When installing the directional antenna on the tower, make sure the antenna is in the protection range of lightning arrester on the tower. The antenna should stretch out of the tower body for at least 1m. l Waterproof elbow must be made to the antenna jumper. II.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System North Sector 1 120˙ 120˙ Sector 3 Sector 2 Figure 3-26 Correspondence between directional antenna azimuth and sector 4) Tighten up the lower fixing clip of the antenna till it cannot be moved by hand. 5) Adjust the antenna pitch angle: For the directional antenna whose mounting hole corresponds to its pitch angle, install it via its mounting hole directly.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-28 Pitch angle of the antenna after being adjusted by the inclinometer 6) Make waterproof elbow for the antenna jumper and route the jumper. Installation of directional antenna on building-top support is similar to that on tower side. The installation is shown in Figure 3-29 and Figure 3-30.
Installation Manual iSiteC BTS3601C CDMA Base Station (1) Antenna Hardware Installation 3 Installing RF Antenna and Feeder System (2) Cable tie (3) Jumper (4) Feeder Figure 3-30 Installing the directional antenna on building-top support (with parapet not shorter than 1200mm) 3.6 Installing Feeder Window 3.6.1 About Feeder Window There are two types of feeder windows: 12-hole feeder window and 27-hole feeder window. The former is used most frequently.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System (1 ) (2 ) (1) Sealing packing ring of feeder window (2) Feeder window board Figure 3-31 Structure and dimensions of feeder window 3.6.2 Installing Feeder Window Feeder window is usually installed outdoors near and above the cabling rack. If feeders enter the equipment room from building-top, the feeder window should be installed on building-top.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-32 Mounting holes for feeder window ( 1) Outdoor I n d o o r ( 2) (1) M8%80 exploded expansion bolt (2) Feeder window board Figure 3-33 Installing feeder window 3.7 Installing Feeders 3.7.1 Cutting Feeder The feeders can be cut prior to or after feeder hoisting.
Installation Manual iSiteC BTS3601C CDMA Base Station 3) Hardware Installation 3 Installing RF Antenna and Feeder System Attach the corresponding labels to both ends of the feeder after cutting a piece. 3.7.2 Hoisting Feeder 1) Wrap the feeder end in a piece of gunny cloth (or antistatic bag) after the corresponding connector is completed. Bind the cloth up using a rope or a binding tape; 2) Knot the lifting rope at the point about 0.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Figure 3-35 Feeder upper end fixed on tower ( 2) ( 2) ( 1) (1) 1-for-1 fixing clip 2 (2) 1-for-3 fixing clip Figure 3-36 Feeder fixing clip 5) Connect the jumper between antenna and feeder and perform waterproof and encapsulation treatment to the connectors. Attach a temporary label at the point 10cm away from the jumper end. 3.7.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System 3.7.4 Affixing Feeder Labels I. Label format Figure 3-37 illustrates the standard nameplate used as both indoor and outdoor labels. Figure 3-37 RF antenna and feeder label II. Label position 1) BTS indoor installation mode Feeder labels can be affixed in three positions, which are (from the top down): l 0.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System protection grounding bar directly. The following gives description of feeder grounding points in different installation modes. I. BTS outdoor installation mode l Within the range of 1m~2m under the antenna; l The front end connecting the BTS.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System Caution: 1) When soft jumper is adopted for the feeder and the feeder is not longer than 10m, the shielding covering of the coaxial soft jumper may be grounded at two points, i.e., below the antenna and indoor. 2) When soft jumper is adopted for the feeder and the feeder is not longer than 5m, the shielding covering of the coaxial soft jumper may be grounded at one point indoor. 3.7.
Installation Manual iSiteC BTS3601C CDMA Base Station 2) Hardware Installation 3 Installing RF Antenna and Feeder System Direct the feeders into the equipment room via the feeder window. The corresponding personnel inside the equipment room should guide the operation so as to avoid damage to equipment in the room. 3) Mount sealing gasket and sealing gland. Place the hole for filling in glue on the sealing gland facing upward when mounting the sealing gland.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 3 Installing RF Antenna and Feeder System 3.8 System Testing Use the Site Master to test the antenna and feeder system. Test the standing wave ratio (SWR) of the feeders. The SWR should be smaller than 1.5 in engineering, yet the SWR of the antenna and feeder system newly set up generally should be smaller than 1.3 (the corresponding return loss is 18dB).
Installation Manual iSiteC BTS3601C CDMA Base Station Table of Contents Table of Contents 4 Installing Satellite Synchronization Antenna and Feeder System......................................4-1 4.1 Installing GPS Antenna and Feeder System ................................................................4-1 4.2 Installing GPS Antenna ..............................................................................................4-2 4.2.1 Requirements for Installation Position................................
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System 4 Installing Satellite Synchronization Antenna and Feeder System This chapter introduces the installation of satellite synchronization antenna and feeder system taking GPS as an example. In practical installation, it can be performed simultaneously with that of RF antenna and feeder system.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System 4.2 Installing GPS Antenna 4.2.1 Requirements for Installation Position The installation position of GPS antenna should have a broad vision without high buildings around, and as far as possible from the compact accessory buildings on the building-top. The available area of the plane for installing GPS antenna should be as big as possible.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System 4.2.2 Installing GPS Antenna Support In terms of varied installations, there are different supports available. I. On tower Figure 4-2 illustrates the support installed on tower.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System Figure 4-3 Installed antenna support on tower & Note: For the tower without angle steel, the above mentioned antenna support cannot be used. Antenna support for metal mast can be adopted. Please refer to the section right below for its installation. II. On metal mast The antenna support for installation on metal mast is shown in Figure 4-4.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System (1) GPS installation anchor ear (2) Lightning arrester encloser (3) Support Figure 4-4 Antenna support for installation on metal mast Installation procedure is as follows: 1) Unscrew the fastening bolts on GPS installation anchor ear and remove the anchor ear. 2) Round the U-shape clip on the metal mast for GPS antenna.
Installation Manual iSiteC BTS3601C CDMA Base Station 3) Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System Remove the rear clamp on the GPS installation anchor ear. Put the antenna support lever between the front clamp and the rear clamp. Then adjust the direction of the antenna support lever. 4) Fasten the rear clamp and the bolts to secure the antenna support lever. III.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System 4.2.3 Installing Antenna There are various types of antennae. Figure 4-7 and Figure 4-8 show two types of common antennae. The following gives the installation of two types of GPS antennae respectively. Figure 4-7 GPS antenna of type AT1670-0 Figure 4-8 GPS antenna of type UTONCORE I.
Installation Manual iSiteC BTS3601C CDMA Base Station 3) Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System Tighten the antenna connector and the cable socket. Finally reinstall the unfixed bolt. Thus the GPS antenna is fixed on the ellipse holder of the antenna support. Caution: 1) Waterproof treatment should be performed at the antenna connector. Please refer to Section 2.3.6 for waterproof treatment process.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System building-top. The spacing between plastic clips should be 1m. And the direction of the clip heads should be interlaced regularly. If two feeders are joined, they should be bound together without intersection or curve. l When routing the feeder, try to expand the feeder roll before routing. Try to avoid bending of it.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System Attention: 1) GPS antenna-side lightning arrester l The "PROTECTED" end of the GPS lightning arrester should face the antenna. That is, the "PROTECTED" end of the arrester is connected with the jumper end.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System 1) GPS antenna-side lightning arrester l The connectors on both ends of Type DGXZ+6NFNM-A lightning arrester are male and female respectively. Therefore, jumpers with male and female connectors should be prepared for the installation of the lightning arrester.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System II. BTS outdoor installation on building-top In this installation mode, GPS feeder shielding covering may be grounded only at the front end connecting the BTS. III.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation 4 Installing Satellite Synchronization Antenna and Feeder System Caution: When the GPS feeder is not longer than 10m, the shielding covering of the coaxial feeder may be grounded at one point indoor only. 4.3.4 Feeder Label Figure 4-11 illustrates the standard nameplate used as GPS feeder label. Figure 4-11 GPS feeder label I. BTS indoor installation GPS feeder labels can be affixed in three positions: l 0.
Installation Manual iSiteC BTS3601C CDMA Base Station Table of Contents Table of Contents 5 Installation Check ..............................................................................................................5-1 5.1 Overall Check............................................................................................................5-1 5.1.1 Checking Equipment Installation .......................................................................5-1 5.1.2 Checking Cable Connection............
Installation Manual iSiteC BTS3601C CDMA Base Station 错误 未找到引用源 Hardware Installation 错误 未找到引用源 5 Installation Check Upon completion of all hardware installation, check the installation including the following aspects: overall check, power-on check, environment condition check and system commissioning. 5.1 Overall Check 5.1.1 Checking Equipment Installation l All the equipment should be steady and neat in appearance when installed. l All the bolts and nuts are fastened.
Installation Manual iSiteC BTS3601C CDMA Base Station l 错误 未找到引用源 Hardware Installation 错误 未找到引用源 Check whether there is good electrical connection between the UPS shell and the UPS external box via screws. UPS external box should be grounded. l Check whether the protection grounding cable of AC lightning protection box or IAFB is directly connected to the protection grounding bar. Make sure the grounding cable is shorter than 1m.
Installation Manual iSiteC BTS3601C CDMA Base Station l 错误 未找到引用源 Hardware Installation 错误 未找到引用源 The shielding covering of the coaxial feeder should be well grounded at the tower-top, tower-bottom and the outside of the entrance to the equipment room. When the feeder is not shorter than 60m, the shielding covering of the coaxial feeder should be grounded at the middle of the tower body.
Installation Manual iSiteC BTS3601C CDMA Base Station 8) 错误 未找到引用源 Hardware Installation 错误 未找到引用源 MS packet data flow test (downlink traffic rate). & Note: System commissioning items can be determined as per the specific situation at the site. The above is the system commissioning item list. For details, please refer to relevant engineering documents.
Installation Manual iSiteC BTS3601C CDMA Base Station Table of Contents Table of Contents A Installing IAFB.................................................................................................................. A-1 A.1 Installation Flow ....................................................................................................... A-1 A.2 Wall Installation ........................................................................................................ A-1 A.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation A Installing IAFB A Installing IAFB There are 3 installation modes for IAFB: Wall installation, metal mast installation (v60~v114) and pole installation (v150~v350). A.1 Installation Flow Figure A-1 is the installation flow of IAFB.
Installation Manual iSiteC BTS3601C CDMA Base Station (1) Wall Hardware Installation A Installing IAFB (2) M8%80 exploded expansion bolt (3) Bolt, plain washer, spring washer (4) Box Figure A-2 Fixing bolts 2) Drill a hole with the drill bit of v10mm at the mark for the bolts, Then mount the exploded expansion M8%80 bolt. Caution: The depth of the hole is 50mm~60mm. It cannot be too deep; otherwise, the installation may be affected by the part of the expansion bolt extended outside the wall.
Installation Manual iSiteC BTS3601C CDMA Base Station (1) Box Hardware Installation A Installing IAFB (2) Hanger (3) M6%12 bolt Figure A-3 Installing hanger 6) Mount the hangers of IAFB aiming at the four bolts. Mount plain washer, spring washer and nut on the bolt. Then fasten the nut clockwise with an adjustable wrench to fix the bracket on the wall. Caution: The length of the bolt outside the wall should be about 20mm. And the washer should be mounted before the nut is fastened.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation A Installing IAFB (1) Sun-shading cover (2) M12%16 bolt (3) Box Figure A-4 Installing sun-shading cover A.3 Metal Mast Installation The installation procedure of IAFB metal mast is as follows: 1) Mount the beam and fastener to the steel pipe with M10 bolt and nut. The pipe is between the beam and the fastener. Then fasten the bolt and nut. See Figure A-5.
Installation Manual iSiteC BTS3601C CDMA Base Station 2) Hardware Installation A Installing IAFB Lean the box of IAFB on the beam and let M8%25 bolt go through the hanger of IAFB. Then fasten the IAFB to the beam. See Figure A-6. (1) M8%25 bolt (2) Spring washer (3) Plain washer (4) Beam Figure A-6 Fixing IAFB A.4 Pole Installation The installation procedure of IAFB pole is as follows: 1) Lean the fastener to the pole and fasten the beam to let the pole be in the middle of the pole.
Installation Manual iSiteC BTS3601C CDMA Base Station (1) Pole (2) Fastener Hardware Installation A Installing IAFB (3) Plain washer, spring washer, nut (4) M12 bolt Figure A-7 Fixing fastener 2) Fix the IAFB to the fastener with M8%25 bolt. Its installation procedure is similar to that on metal mast. See Figure A-6. A.5 Installation Check After all the parts are installed, check the installation in the following aspects: parts installation overal check, BTS power-on check and environment check. I.
Installation Manual iSiteC BTS3601C CDMA Base Station l Hardware Installation A Installing IAFB All the cables should be secure. Do not over-strain the cables running round the corner. Cables and fibers should run in straight and smooth courses without any cross. Cables and fibers in the same direction should be bundled up. The cable layout should be neat and tidy with the same bundling space. l There should be no damage to the shell of all the cables. II.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation B Requirements for Antenna Isolation B Requirements for Antenna Isolation I. Requirements for isolation of omni antenna Based on the conditions that antenna gain is 10dBi and isolation is 30dB, the spacing between antennae is required as follows: l When antennae are installed horizontally, the horizontal spacing between transmit (TX) antenna and receive (RX) antenna should not be less than 5.3m.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors C Making Connectors C.1 Overview Preparation of connectors is a very important job during the installation of antenna and feeder system. Normative and correct operation will directly affect the performance of the antenna and feeder system. In this chapter, we respectively introduce the preparation of the DIN connector and N connector of antenna and feeder for the reference of project installation.
Installation Manual iSiteC BTS3601C CDMA Base Station 3) Hardware Installation C Making Connectors Cut the skin of the cable at 28 mm away from the connector with the fast cable cutter and the safety knife, as shown in Figure C-1. 4) Strip off the outer conductor at 7 mm away from the connector with the fast cable cutter, and keep the cutting surface smooth, as shown in Figure C-2.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors Figure C-4 Tapering inner conductor 7) Brush off the residuals, as shown in Figure C-5. Figure C-5 Brushing off residuals 8) Apply grease and mount fixing nut. Place the heat-shrink tube into the cable and then screw the fixing nut to the cable until it is tight, as shown in Figure C-6.
Installation Manual iSiteC BTS3601C CDMA Base Station 9) Hardware Installation C Making Connectors Mount the connector cap. Screw the connector cap while keeping the fixing nut still, as shown in Figure C-7. Figure C-7 Mounting connector cap 10) Heat up the heat-shrink tube, as shown in Figure C-8. Figure C-8 Heating up heat-shrink tube 11) Fit torque, as shown in Figure C-9.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors Figure C-9 Fitting torque 12) Be sure to test the connector after it is made. It can only be put into use after it passes the test. Caution: 1. Pay attention to safety during the preparation. Improper operation of sharp-edged tools can cause human injury. 2.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors I. Tools required Spanners (one is 19mm and the other is 22mm), fast cable cutter, fast cable stripper, safety knife, electric blower, diagonal pliers, nipper pliers, pliers, file, brush and ruler are all required. II. Making connectors 1) Get the required tools ready and put them in a convenient place. 2) Straighten the end of the feeder to be mounted with a connector.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors Figure C-12 Adding fixing nut Figure C-13 Adding spring ring 8) Adjust the hacksaw and the hacksaw guide (big washer) to cut the cable, as shown in Figure C-14. 9) Brush off the burr and residuals, as shown in Figure C-15.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors Figure C-15 Brushing off residuals 10) Press the foam plastic tightly, as shown in Figure C-16. 11) Add O-ring and apply grease to it. Mount the connector body, as shown in Figure C-17.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors 12) Expand the outer conductor with a fast cable stripper (fitting the feeder type). Check the stretching surface and clean off the residuals, as shown in Figure C-18. Figure C-18 Stretching outer conductor 13) Refit the connector. Never rotate the connector body while installing, as shown in Figure C-19. 14) Fit the torque, as shown in Figure C-20.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation C Making Connectors Figure C-20 Fitting torque C-10
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation D Preparing Grounding Clips D Preparing Grounding Clips D.1 Overview During the entire installation, there are many places where grounding clips should be applied. The following is the summary of the places where grounding clips are required.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation D Preparing Grounding Clips Figure D-1 Installation accessories of lightning-protection grounding clips 3) Determine the location for lightning-protection grounding clip installation. Cut the feeder skin according to the clip size to expose the outer conductor, as shown in Figure D-2. Figure D-2 Striping off feeder skin 4) Fix the lightning-protection grounding clip on the feeder.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation D Preparing Grounding Clips Figure D-3 Lightning protection grounding clip fixed on feeder 5) Wrap up the lightning protection grounding clip with PVC tape, semi-conductive self-adhesive tape and waterproof tape in turn. When wrapping, do it from the bottom up, then from the top down and finally from the bottom up again. Each turn should be overlapped by the next turn for about one-third of the width as shown in Figure D-4.
Installation Manual iSiteC BTS3601C CDMA Base Station Hardware Installation D Preparing Grounding Clips cabling rack, the anti-rust paint at the place where the rack is grounded should be removed. When the grounding cables are installed, the place should be covered with anti-rust paint again. Those exposed connector parts should also be painted with anti-rust paint for good grounding, if they are incapable of being wrapped up with insulating tapes.