R OI-504823-051E 031020 CONTENTS 5.8 GHz 15/28/50 MB PDH DIGITAL MICROWAVE RADIO SYSTEM SECTION Il N Lite L (PDH SYSTEM) INSTALLATION AND INITIAL LINE UP CONTENT ER si TITLE PAGE 4, GENERAL 1.1 2. INSTALLATION 2-1 21 Packing 22 Unpacking of MDP and TRP 2.6 Chart 2-1 Unpacking Methods of MDP remorselessness 2.6 Chart 2-2 Unpacking Methods of TRP 2.5 2.3 23 MDP 2.4 Chart 2-3 Mounting Methods of MDP 2.9 24 TRP Mounting 2.41 Pole Mounting Chart 2.
CONTENTS OI-504823 TITLE PAGE Chart 2-15 Terminating Coaxial (IF Signal) Cables with N-P Connector (Straight Typesetters 2-43 Chart 2-16 Terminating Power Supply Cables with Rolex Connector ssmssseessosssnssaasoanssns 2.46 26 Cable and Terminal Connections 2.43 2.7 Frame 2-53 2.8 Waterproof 2-58 3. INITIAL LINE UP 31 3.1 Start-up esssessecesssrasorsesrassorsn Chart 3-1 Power Turn ON 32 Shalt-COWT sssersassenssansassnsancsnssrsasnesnsans sacrosanctness Chart 3-2 Shut-Gown 3.3 33 Initial 3-4 3.
OI-804823 GENERAL 1. GENERAL This section provides installation and initial line up information on the 5.8 GHz 15/28/50 MB microwave radio system. This manual is described for the firmware version of as follows. SW UNIT: 1.0.1 MD UNIT: 1.0.
INSTALLATION 2. INSTALLATION pr sans sen The standard installation is summarized in this section. Included herein are information on typical installation work flow and guides for MDP installation, TRP installation, Antenna (ANT) installation, wave guide connection and cable connections. The installation flow diagram is shown below. Unpacking of MDP { | Unpacking of TRP (see para 2.2) {see para 2.2) MDF Mounting TRP Mounting {see para 2.3) (see para 2.4) Pole Mounting (see para 2.4.
INSTALLATION OI-504823 2.1 Packing List Each unpacked component of the [ ] GHz [ ] MB digital radio system must be checked as shown below. PACKING LIST DRAWING NO. Mounting Bracket Fig. 22% TRP and MDP Fig. 2-3 Installation Kit Fig. 2-4 % Note: * These are standard packing boxes. Note: The pole mounting bracket type varies depending to the antenna type and system configuration. No.
INSTALLATION OI-804823 2.2 Unpacking of MDP and TRP The procedures to unpack the MDP and TRP are shown in following chart. « Formed: Chart 2-1 « For TRP: Chart 2-2 Note: When conveying the MDP or TRP to another place, the original packing should be made to avoid damage. Chart 2-1 Unpacking Methods of MDP Step Procedure 1 Cut p.p. tape at top of the carton {1 to 3), Then open the carton.
OI-504823 INSTALLATION Chart 2-1 Unpacking Methods of MDP (Cont'd) Step Procedure 2 Take out the accessories, carton and cushioning materials.
INSTALLATION R OI-S04823 Chart 2-2 Unpacking Methods of TRP Step Procedure 1 Cut the p.p. tape at top of the carton (I to 3). Then open the carton, CUSHIONING MATERIAL 3 Remove the cushioning materials from the TRE. 4 Take out the TRP from the anti static bag. 5 Inspect the TRP.
OI-504823 INSTALLATION 2.3 MDP Mounting The installation procedure for MDP is shown in Chart 2-3. The MDP should be installed in the radio station indoor. Chart 2-3 Mounting Methods of MDP Step Procedure 1 Change the two brackets to desired position on the MDP, if necessary. FRONT CENTER POSITION POSITION / Z FRONT [00 as joo oo i SHOE View 2 Align the MDP to the mounting position on the 19-inch rack.
INSTALLATION OI-504823 Chart 2-3 Mounting Methods of MDP {Cont'd} Step Procedure 3 Fix each side of the MDP to the 19-inch rack with the two SCREWS. MDP Fixing Fran Position Fixing Center Position 4 To mount the MDP in a 19-inch rack, leave spice for one unit at the top and bottom to allow heat from the MDP to radiate.
R OI-S04823 INSTALLATION 2.4 TRP Mounting The procedures for mounting and remounting the outdoor type TRP onto the pole are described here. The tools for installation are listed in Table 2LL Table 2-1 Tools TOOLS Torque Wrench, Monkey Wrench Screwdriver Caution 1. How to use small and large O-rings are shown in Hollowing table. Two types (small and large) O-ring are attached in Andrews direct mount antenna.
INSTALLATION OI-804823 POSITION OF LARGE SIZE O-RING. POSITION OF SMALL SIZE O-RING FOR WAVE GUIDE CONNECTION FOR ANTENNA DIRECT MOUNTING ANDREW ANTENNA POSITION OF LARGE SIZE O-RING POSITION OF SMALL SIZE O-RING FOR WAVE GUIDE CONNECTION FOR ANTENNA DIRECT MOUNTING RFS ANTENNA Notes: 1. Do not use both small O-ring and large O-ring simultaneously. 2.
OR-504823 2.4.1 Pole Mounting INSTALLATION The method of TRP mounting is listed in Table 2-2. Table 2-2 Pole Mounting Antenna Direct Mounting Gyps TRP Antenna Direct Mounting Connection Wave guide Connection Using NEC HYB Using Quasar HYB 10-38 GHz Band 10-38 GHz Band 10-38 GHz Band Chart 2-9 Chart 2-10 Chart 2-11 Note: When the TRP is mounted on the opposite side of the pole, reassemble the TRP to the right position by the procedure described in Chart 2-4.
INSTALLATION OI-504823 Chart 2-4 Pole Mounting Bracket, Assembly ‘When the TRP is mounted on the opposite side of the pole, reassemble the REP to the right position by the following procedure. BRACKET ASSEMBLING OS 3 Step _bolts CL op Step 2. Step 3. U-BOLTS: Step 4. Loosen two screws, remove the bracket from pole mounting type bracket, Turn the pole mounting bracket as shown at left, The bracket removed in step 1 is mounted onto the pole mounting type bracket with two screws as shown at left.
OI-504823 INSTALLATION Chart 2-4 Pole Mounting Bracket, Assembly (Cont'd) Step 1. Mount the attachment with adapter { to the TRP bracket using ten bolts, SPRING WASHER 4 BOLT (M5 10) / Note: Color of adapter is white. TRP BRACKET Step 2. Loosen cit nuts and remove the two U-bolts from the TRP bracket, Step 3. Mount the TRP bracket to the pole I~ POLE with two U-bolts, 1 TRP BRACKET i / Note: The diameter of pole is from 48.5 to | | FLAT WASHER 114.5 millimeters. SN SPRING WASHER 3 THICK NUT (M10) 4 \ THIN N
INSTALLATION OI-804823 Chart 2-5 Antenna Polarization Change Step Procedure CHANGE OF POLARIZATION Note: The details are effervesced to the installation manual which is attached to the antenna. ANTENNA DIRECT MOUNTING TYPE Note: The antenna is set to V-polarization when shipped from the Factory. 1 If you change to H polarization, loosen the four screws with the Allen key wrench and then rotate the antenna connection unit, keeping the antenna stand horizontal.
R OI-S04823 INSTALLATION Chart 2-5 Antenna Polarization Change (Cont'd) Step Procedure 2 Check that the aperture part of the connection unit is rotated by 90 degrees, then fix it with the screws that were loosened in step IL APERTURE H POLARIZATION Fig.
INSTALLATION OI-504823 Chart 2-6 HYB Polarization Change Step Procedure CHANGING POLARIZATION QO] NEC HYBRID Note: The hybrid is set to V-polarization when shipped from the factory. 1 If you change to H polarization, loosen two screws, rotate the antenna connection unit and put the HYB horizontally. mms GUIDE PIN 6 608 GF | TT ANTENNA CONNECTION UNIT POLARIZATION 2 Check that aperture of the connection unit is rotated as shown below, then fix it with the two screws that were loosened in step 1. SCREW (MZ.
OI-504823 INSTALLATION Chart 2.6 HYB Polarization Change (Cont'd) Step Procedure Quasar HYBRID Note: The hybrid is set to Depolarization when shipped from the factory. 1 If you change to H polarization, loosen two screws, rotate the antenna connection unit and put the HYB horizontally, Quasar HYR GUIDE BIN HYB — SCREW re ANTENNA CONNECTION UNIT V POLARIZATION 2 Check that the aperture of the connection unit is rotated as shown below, then fix it with the two screws that were loosened in step 3.
INSTALLATION OI-504823 Chart 2-7 TRP Polarization Change CHANGING POLARIZATION TRP GUIDE PIN Step 1. When vertical polarization is required, rotate the TRP the plate marked V, Step 2. When horizontal polarization is required, remove the guide pin PLATE MARKED WITH V {fixed on the plate marked V, GUIDE PIN Step 3. Screw in the guide pin removed in step 2 to the screw hole of the plate marked H, Step 4.
OI-504823 INSTALLATION Chart 2.8 TRP Antenna Direct Mounting Step Procedure MOUNTING 1 Tighten the M10 hex bolts to fix the clamp using a wrench, DREW HELP TYPE BRACKET LOCK N wash Er ~~ WASHER / HOLE FOR GUIDE PIN GUIDE PIN INSTALLING ANTENNA, MOUNTING HOLE FOR Note: The tightening torque is from 5.0 to 6.0 Nom. Be careful not to damage the O-ring (Antenna). fig. 2-10 TRP Antenna Direct Mounting (1/5) 2.
INSTALLATION OI-504823 Chart 2-8 TRP Antenna Direct Mounting {Cont'd)) Step Procedure 2 volts M3 x 25 Ube 2 washers Ws EH Bunsen 84025 Lol ME 2 25 tear washer washer 5.4 ana ol va ATH since MB x 145 2 bass rts M3 i 2 classical washers C 5.4 2 caloric seals D 96) / Bola X30 bot MRE wasn't 8.4 watcher stet cr L boll B50 ELEVATION spt 8 x 145 Headwaiters 10520 reins rs Shana Ushers 34 Pipe diameter | U-Bk size fro] [mm RES S81 TYPE BRACKET 51-88 EX ue 11s ns Fig. 2-10 TRP Antenna Direct Mounting (2/5) 2.
R OI-S04823 INSTALLATION Chart 2-8 TRP Antenna Direct Mounting (Cont’d)} Step Procedure drain pg 4 20 notch MIO win: 2 — SOTO ars ce . \, Vents ante 19s 2 spherical washers C 8.4 2 conical seats 026 boil MBS Waster 8.4 smut hen washes $3 01% boll MID x40 « washer 10.5930 / . ELEVATION spine 16 x 50 salary collar ‘ 2 brass nts M8 2 washers 105.0130 2 spherical washers © 8.
INSTALLATION OI-504823 Chart 2-8 TRP Antenna Direct Mounting (Cont'd)) 2 Fix the TRP to the bracket by tightening the M6 screws (four locations), Notes: 1. Figure shows V polarization. 2. Be careful nat to damage the O-ring (Antenna). 3. The tightening torque is 4.0 Nm 10%. HOLE FOR GUIDE PIN GUIDE PIN Fig. 2410 TRP Antenna Direct Mounting (4/5) 2.
OI-504823 INSTALLATION Chart 2-8 TRP Antenna Direct Mounting (Cont'd) HOLE FOR GUIDE PIN RFS $81 TYPE BRACKET Notes: 1. Figure shows V polarization. 2. Be careful not to damage the O-ring (Antenna). 3. The tightening torque 10%. Fig.
INSTALLATION OI-504823 Chart 2-9 TRP Antenna Direct Mounting Using NEC Hybrid Step Procedure 1 Pix the HYB to the antenna by tightening them with the M6 screws {four locations). HOLE FOR GUIDE PIN GUIDE PIN ~~ \ MOUNTING HOLE FOR HYB FLAT WASHER GUIDE PIN N Le SCREW | MOVE THE SHORTING PLATE J SHORTING PLATE 2-28
R OI-S04823 INSTALLATION Chart 2-9 TRP Antenna Direct Mounting Using NEC Hybrid (Cont'd) Step Procedure 2 Insert the O-rings to the two TRP ports of the HYB. 3 Fix the two T Rps respectively with hex screws (four locations) using the Allen key wrench, Note: Be careful not to damage the O-rings (Hybrid).
INSTALLATION OI-804823 Chart 2-10 TRP Antenna Direct Mounting Using Quasar Hybrid Step Procedure 1 Fix the HYR to the antenna by tightening them with the Mé screws (four locations). HOLE FOR GUIDE PIN GUIDE PIN T= MOUNTING HOLE FOR HYB Notes: 1. Be careful not to damage the O-ring (Antenna). 2. The tightening torque is 4.
R OI-S04823 INSTALLATION Chart 2-10 TRP Antenna Direct Mounting Using Quasar Hybrid {Cont'd) Step Procedure 2 Insert the O-rings to the TRP ports of the HYB. 3 Fix the two T Rps with hex screws (four locations) using the Allen key wrench, Note: Be careful not to damage the O-rings (Hybrid).
INSTALLATION R OI-S04823 Chart 2-11 TRP Wave guide Connection Step Procedure 1 Connect the wavering to the TRP and fix the wave guide to the TRP with four bolts. Note: Be careful not to damage the O-ring.
OI-504823 INSTALLATION Chart 2-11 TRP Wave guide Connection (Cont'd) Step Procedure 2 Connect the wave guide to the antenna and fix the wave guide, to the antenna with screws, . ANTENNA {> SCREW Flexible TRP Adapter SCREW O-Ring BRACKET Notes: The flange type between Antenna and flexible wave guide must be matched. If necessary, a suitable wave guide flange transition must be adapted. Flange type of the TRP is peculiar to NEC.
INSTALLATION 2.4.2 Remounting For remounting the TRF (if necessary), use the following procedure. Chart 2.12 TRP Remounting Step Procedure 1 Remove the four (or six) fixed bolts from the TRP. 2 Then demount the TRP. Note: When remounting the TRP from the HYB, mount the attached shorting plate to the remounted port of the hybrid to avoid RF power leaking from the hybrid and for waterproofing. MOUNTING HOLE FOR SHORTING PLATE SHORTING SHORTING PLATE MOUNTING SHORTING PLATE.
OI-504823 INSTALLATION 2.5 Cable Termination In this section, the list of tools and material and the method for cable termination are described. The following cables are described for reference. « D-sub connector (refer to Chart 2-13)* « N-P connector of the L angle type (refer to Chart + N-P connector of the straight type (refer to Chart + Rolex 5557-04R connector (refer to Chart 2-16) Notes: 1. * Use D-sub connectors of less than 16 mm on height as illustrated below. D-SUB CONNECTOR 2.
INSTALLATION R OI-S04823 Chart 2-13 Terminating Supervisory Cables with D-Sub Connector Step Procedure 1 2-34 Strip back the cable sheath, taking care not to damage the braided shield. / 50 mm CABLE Fold back the braided shield (do not separate the strands) and trim it as shown, WIRE Remove the insulation over a length of 4 mm from the end of the wire.
OI-504823 INSTALLATION Chart 2-13 Terminating Supervisory Cables with D-Sub Connector {Cont'd) Step Procedure 4 Insert the cable into the socket contact. Fa =e WIRE SOCKET CONTACT 5 The cable should be fitted so that insulation and bare wire are arranged as shown, 6 Insert the socket contact into the hand crimping tool. CONFORMING WIRE SOCKET CONTACT AWEIGH-24 AWEIGH-28 TC-CD-121 HAND CRIMPING TOOL (HRS TC-CO-11TC-CR-121) 2.
INSTALLATION Chart 2-13 Terminating Supervisory Cables with D-Sub Connector (Cont'd) Step Procedure 7 Recheck that the wire position is as shown in step 5 before crimping the socket contact (see illustration at below). WIRE SIDE WIRE 8 ‘Wind the metallic shield tape on the braided shield.
OI-504823 INSTALLATION Chart 2.18 Terminating Supervisory Cables with D-Sub Connector {Cont'd} Step Procedure 9 Set the cable into the plug case as shown in figure.
INSTALLATION ROLS04823 Chart 2-13 Terminating Supervisory Cables with D-Sub Connector {Cont'd) Step Procedure 10 Referring to circle A, fix the drain wire with screw, 11 Referring to circle B, insert each wire to the specified position of corresponding interface terminal. Insert the socket contacts into the upper and lower row positions while taking care that the socket contacts are inserted the right way round.
OI-504823 INSTALLATION Chart 2-13 Terminating Supervisory Cables with D-Sub Connector {Cont'd} Step Procedure 12 Fix the plug case with two screws, as shown in the figure.
INSTALLATION OI-504823 Chart 2-14 Terminating Coaxial (fF Signal) with N-P Connector {L. Angle Type) Step Procedure H First fit the tying metal, washer and gasket on the cable. GASKET WASHER TYING METAL CABLE 2 Strip back the cable sheath, taking care not to damage the braided shield, and fit the clamp. CLAMP ’ gmm 3 Fold back the braided shield (separating the strands of the braid) and trim it. i HHL Note: Pay attention not to damage the plait. 4 Insert the ferrule.
INSTALLATION Chart 2-14 Terminating Coaxial (IF Signal) with N-P Connector {L Angle Type) {Cont'd} Step Procedure 5 Fit the bush. 6 Cut the aluminum foil and inner insulator away along the bush and retain the inner conductor. | 7 Taper the edge of the center conductor using a file as shown in the enlarged view below. 1 Note :Pay attention not to let protrusions and indents occur, 2.
INSTALLATION OI-804823 Chart 2-14 Terminating Coaxial {IF Signal) with N-P Connector {L Angle Type) (Cont'd) Step Procedure 8 Mount the contact onto the center conductor and mount the insulator onto the contact. INSULATOR CONTACT 9 Insert the cable into the shell, 10 Tighten the tying metal with wrench point by wrench (Tighten with torque 4 to 10 Nom) le LESS THAN 0.
OI-504823 INSTALLATION Chart 2.45 Terminating Coaxial {IF Signal) Cables with N-P Connector {Straight Type} In case of marking “NDK” on connector, please ask NEC for cable process. Step Procedure 1 First fit the lock nut, washer and gasket on the cable as shown, LOCK NUT WASHER ~~ GASKET CABLE i] 2 Strip back the cable sheath, taking care not to damage the braided shield, and fit clamp A.
INSTALLATION OI-504823 Chart 2-18 Terminating Coaxial (iF Signal) Cables with N-P Connector {Straight Type) (Cont'd} Stop Procedure 2-44 Cut away the insulation from the center conductor and fit clamp B. Be sure not to cut or scratch the conductor while stripping the insulation. 1.0mm CLAMP B ee cut Hi Cut the center conductor. Taper the end of the center conductor using a file as shown in the enlarged view below. SL 12mm Mount the center contact onto the center conductor as shown.
OI-804823 INSTALLATION Chart 2-15 Terminating Coaxial {IF Signal) Cables with N-P Connector (Straight Type) (Cont'd) Step Procedure 7 Mount the insulator onto the center contact. TAPERING SIDE =H INSULATOR 8 Insert the cable into the connector shell, CONNECTOR SHELL Tighten the lock nut. Less than LOCK NUT 2.
INSTALLATION OI-504823 Chart 2-16 Terminating Power Supply Cables with Rolex Connector Step Procedure Note: Do not bend this part. \ “A SOCKET CONTACT POWER CONNECTOR 1 Remove insulation. CABLE AWEIGH 301035 mm POWER SUPPLY CABLE FORCIBLY, 1A 2.
OI-804823 INSTALLATION Chart 2.16 Terminating Power Supply Cables with Rolex Connector {Cont'd} Step Procedure 2 Set the socket contact to position the hand crimping tool. HAND CRIMPING OUTSIDE DIAMETER SET TOOL TYPE OF CABLE POSITION 57026-5000 4151.8 1 { $18t022 2 \ HAND CRIMPING TOOL, \ \ 57027-5000 $2326 1 57026-5000 Rolex ) i i $26t03.1 2 or 67027-5000 Squeeze the handle of the hand crimping tool, insert cable into socket contact.
INSTALLATION ROLE-504823 Chart 2-16 Terminating Power Supply Cables with Rolex Connector {Cont'd} Step Procedure 6 Insert the socket contacts into the power connector till they lock.
OI-504823 INSTALLATION 2.6 Cable and Terminal Connections Set up as in Fig. 2-11 referring to the following connecting method. signal cable Connect the connector correctly and tighten it by turning the tightening ring clockwise. Note: The difference of IF line cable length between the No.l channel IF cable length and the No.2 channel IF cable length should be within 100m (differential absolute delay time: within 500 ns).
OI-504823 INSTALLATION 2.7 Frame Grounding In mounting the MDP and TRY, perform frame grounding. The location of the frame grounding in each MDP and TRP is shown in Fig. 2-12, and the connection for frame grounding is shown in Fig, 2-13, Note: Connect the Frame Ground (FG) terminal on the MDP to the mounting rack with the earth cable. In addition, connect the mounting rack to the indoor earth terminal with the earth cable and connect the FG terminal on the TRP to the ground {refer to Fig. 2-13). TRP Fig. 2.
INSTALLATION OUTDOOR EARTH TERMINAL LIGHTING ROD, {EXISTING OR CUSTOMER SUPPLIED) PROTECT AREA COAXIAL CABLE INDOOR EARTH TERMINAL 7 / { MP. bg ~ | EARTHBOUND LT GROUND | | LEVEL | 1 Cautions: 1. Install the TRP within the area protected by lightning rod. OI-504823 2. To avoid surge currents caused by Highlighting circulating in the equipment earth system, connect the equipment earth system (frame ground) to ground of the lightning rod at ground level. Fig. 2-13 Connection for Frame Grounding (1/4) 2.
ROLS04823 LIGHTNING ROD EARTH LINE 1 ISOLATED FROM TOWER (Grounding-resistance: Jess than 10 2) GROUND LEVEL Ground] EARTH LINE* {Grounding-resistance: {ass than 10) INSTALLATION i” cable for TRP should be connected to the nearest EP of the tower. (Grounding-resistance of lower: less than 10 0) INDOOR EARTH TERMINAL RACK “a MDP 3 Note: * NEC recommends that the earth line should be connected to the frame ground of TRP and installed as shown above. EP : Earthing Point of tower FG ; Frame Ground terminal Fig.
INSTALLATION OI-504823 LIGHTNING ROD EARTH LINE {SLATED FROM TOWER (Grounding-resistance: less than 10 ohms) GROUND LEVEL q < pd COAXIAL GABLE Grounding cable for trp should be connected to the nearest EP of the tower, _ {Grounding-resistance of tower: less than 10 ohms) INDOOR EARTH | | TERMINAL RACK EP: Earthing Point of tower FG : Frame Ground terminal This correction is an example. Fig.
R OI-S04823 INSTALLATION LIGHTNING ROD FG ~ ol Grounding cable for TRP should be l ep connected to the nearest EP of the tower, pr EARTH LINE ri | CONNECTED {Grounding-resistance of tower: TOWER a less than 10 ohms) +4 NA (Grounding-resistance: less than 10 ohms) A 1 COAXIAL CABLE V poems Ly ! INDOOR EARTH TERMINAL ¢ / RACK ; ¥ AT] MDP GROUND LEVEL EP: Earthing Point of tower FG : Frame Ground terminal This connection is an example. Fig.
INSTALLATION 2.8 Waterproof Protection After cable connection, the following past should be wrapped by self bonding tape for waterproof (see Fig. 2-14). This part should be wrapped by said-bonding tape for waterproofing. IFL. CONNECTOR TRR ZL SELF-BONDING TAPE IN CASE OF "L” ANGLE Note: The self-bonding tape should be prepared by the customer. Fig.
R OI-S04823 3.1 Start-up INITIAL LINE UP 3. INITIAL LINE UP This chapter provides instructions for the initial lineup of the equipment. Included is information on start-up, shut-down, MDP and TRP equipment setting, antenna orientation and lineup test for the equipment. If order wire communication is required, connect the X0818A OW/RX LEV Mani tor unit to the TRP, The OW/RX LEV Monitor unit operates on a dry battery (6F22/9V}. 1 Insert the battery with correct polarity. 2.
INITIAL LINE UP OI-804823 Chart 3-1 Power Turn ON Caution: Do not apply a voltage to the equipment that varies sharply. The equipment may operate improperly. Apparatus: Suitable Screwdriver Digital Multi meter Step Procedure 32 Note: The TRP power is also supplied through the MDP power switch. Cheek that the No.1 CH SEL V in voltage is between with the digital multi meter, before connecting the power cable as shown below to the No.
ROE-504823 INITIAL LINE UP No.1 PWR Joan SELL © \ \ No.2 PWR No.2 PWR No.2 SEL V Fig. 3-1 Connector, Power Switch and Indicator Location 3.2 Shut-down The shut-down procedure for the equipment is shown in Chart 3-2. Warning: After turning ON the equipment, wait at least 1 minute before turning it OFF again. Repeatedly turning the power ON and OFF with in a short interval may cause the MDP to fail. Chart 3-2 Shut-down Step Procedure 1 Turn off the No.1 {or No.
INITIAL LINE UP OI-504823 3.3 Initial Setting The initial setting of the MDP/TRP is performed by the LCT according to Table 3-1. Table 3-1 Initial Setting items Item ' Remarks 1. | System Configuration Setting Chart 5-1 in Section H 2. | Date and Time Setting Chart 5-2 in Section IY 3. | Provisioning Setting Chart 5-3 in Section TT 4. | Relay/House Keeping Setting Chart 5-4 in Section Tt The details of the setting with LCT, refer to chapter 5 in Section IL.
OI-804823 INITIAL LINE UP 3.4 Antenna Orientation After the initial setting has been completed, an antenna orientation is performed between two stations according to the procedures in Chart 3-3. Chart 3-3 Antenna Orientation Apparatus HP 3466A Digital Multi meter (or equivalent) with test leads or X0818A OWI/RX LEV Monitor unit Wrench Step Procedural 1 Connect the RS-232C cable between the LCT and MDP (see Fig, 2-2 in Chart 2-1 in Section TV MAINTENANCE), 2 Open the Terminal software (e.
INITIAL LINE UP 36 ROI504823 Chart 3-3 Anterior Orientation (Cont'd) Step Procedure TT Provisioning Data — 1. Display Current Data 2. Set Provisioning Data Enter Selection : 2 ~— Set Provisioning Data ww 1. Main / LAN Sigma! configuration 2. BER Threshold 4. SC Assignment 5. MT TX PWR *t 8. ATP Range 8. RX Threshold 9. Additional ATT 10. TRP ALM Mode 13. Channel Usage Error 16. AIS Activation Contrition 17. AIS Activation Delay Time 18. AIS Generated Report 19.
ROL-S04823 INITIAL LINE UP Chart 3-3 Antenna Orientation (Cont'd) Step Procedure 7 Press the “17 key to select MAIN mode and press the “Enter” key, — Maintenance ~~ 1. MAIN Mode {OFF} 2. Control 3. Reset CPU 4. Set Calendar 5. Password Setting 6. Program Download Enter Selection 8 Press the “1” key and press the “Enter” key to set the MAIN Mode to On. The maintenance screen is re-displayed, Note: Control items can be performed only when the equipment is MAIN mode "ON". MAINTAIN Mode ~~ 1.0n 2.
INITIAL LINE UP OI-504823 Chart 3-3 Antenna Orientation (Cont'd) Step Procedure 10 At each station, press the “1” key twice for setting item 11 “Antenna Alignment Mode” of “Control” and press the “Enter” key, Note: The “Antenna Alignment Mode” is used for extending the dynamic range of the RX LEVEL MONITOR (TURF. In this mode, since control of TX power stops, the normal operation can not be performed. — Control — 1. RF Frequency 2. AT PG Manual Control 3. TX SW Manual Control 4. TX Mute 5.
OI-504823 INITIAL LINE UP Chart 3-3 Antenna Orientation (Cont'd) Step Procedure RX LEVEL MON ve KK BOUT LEVEL (Cosmically WAVE BET LEVEL [43m A. USING ANDREW HELP TYPE BRACKET AZIMUTH ANGLE ADJUSTMENT 13-1 Loosen bolts (1 in Fig. 3-3 13.2 Adjust the azimuth angle by bolt (2 in Fig. 3-3 13-3 Secure bolts loosened in step 13-1, ELEVATION ANGLE ADJUSTMENT 13-4 Loosen bolts (3 in Fig. 3-3 13-5 Adjust the elevation angle by bolt (4 in Fig.
INITIAL LINE UP R OI-S04823 Chart 3-3 Antenna Orientation {Cont'd} Step Procedure C. USING RFS SBI TYPE BRACKET AZIMUTH ANGLE ADJUSTMENT 13-15 Loosen nuts of the U-bolt (3 in Fig. 3-3 13-16 Loosen nuts (4 in Fig. 3-3 13-17 Adjust the azimuth angle by nuts {5 in Fig. 3-3 13-18 Secure nuts loosened in step 13-15 and 16, ELEVATION ANGLE ADJUSTMENT 13-19 Loosen bolts (1 in Fig. 3-3 13-20 Adjust the elevation angle by nuts (2 in Fig. 3-3 13-21 Secure bolts loosened in step 13-19, D.
OI-804823 INITIAL LINE UP _~RXLEV MON RX LEVI OW IN OW/RX LEV MONITOR ~~ — =i DIGITAL MULTI METER Fig. 3-2 Antenna Orientation Test Setup 1. Loosen (1/2 turn} bolts for adjusting azimuth {top and bottom) 4, Adjust elevation for adjusting elevation 2. Adjust azimuth NERD! TYPE BRACKET Fig.
OI-504823 INITIAL LINE Loosen nuts and adjust elevation ' 5. Loosen nuts and adjust azimuth 373. Loosen nuts of the U-bolt. 0.3 0 m Antenna E BRACKET B 5 Fig.
OI-504823 INITIAL LINE UP 2. Adjust elevation 1. Loosen bolts for adjusting elevation 3. Adjust azimuth 4. Loosen for adjusting azimuth 0.6 ¢.m Antenna D. RFS SB2 TYPE BRACKET Fig.
INITIAL LINE UP 3.5 Lineup Test OI-504823 Procedure for line up test between two stations are listed in Table 3-2.
R OI-S04823 INITIAL LINE UP Chart 3.4 Meter Reading and OW Test Step Procedure 1 Connect the RS-232C cable between the LCT and MDP (see Fig. 2-2 in Chart 2-1 in Section IV MAINTENANCE), 2 Open the Terminal software (e.g; Hypertension, 3 Eater Login name “Admin” and press the “Enter” key, enter the specified password and press the “Enter” key, Login: Admin Password ; 4 wee NEG PDH RADIO VER. wm 0. Logout 1. Alar / Status 2. Performance Monitor 3, Provisioning Data 4. Stern Configuration 5. Inventory Data 6.
INITIAL LINE UP OI-504823 Chart 3-4 Meter Reading and OW Test (Cont'd) Step Procedure 5 Press the “1” key for Display Metering /BER and press the “Eater” key. Verify the all items listed in Table 3-2. — NEC POH RADIO VER. XXX XX = Logout + Alarm / Status . Performance Mari tor . Provisioning Data . System Configuration . inventory Data . Relay / House Keeping Enter Selection Performance Monitor — . Display Metering / BER . Display Performance Monitor . Display Threshold Data . Set Threshold Data .
R OI-S04823 INITIAL LINE UP Chart 3-4 Meter Reading and OW Test (Cont'd) Step Procedure Table 3-3 Meter Reading Check Item Normal Indication Allowable Range TX POWER 10.5 GHz +21 10-7 dBm Normal Indication LEVEL —30 dBm* 10.5 GHz ~20 10-93 dBm TRP PS MON —43 V¥* ~3210-46 VDC Notes: 1. *Varies in proportion to the receiving RF signal level, 2. **Caries with cable length between the MDP and TRP. 3, Record displayed indication values on the LCT.
INITIAL LINE UP RO-S04823 Chart 3-4 Meter Reading and OW Test (Cont'd) Step Procedure ORDER WIRE TEST 11 Connect the OW/RX LEV MONITOR unit to the RX LEV MON jack on the TRP, 12 Connect headset(s) to the EOW jack on the front panel of the MDP and/or OW/RX LEV MONITOR unit (see Figs.
INITIAL LINE UP OI-504823 (FRONT VIEW) MDP Fig. 34 Lineup Test Setup for MDP i ] RX LEV MON HEADSET RX LEVI OW IN i OW/RX LEV MONITOR Fig.
INITIAL LINE UP ROISTERER Chart 3.5 BER Measurement BER measurement is performed between terminal stations. Apparatus © Digital Multi meter (or equivalent) with test leads Screwdriver PDH Analyzer Headset Step Procedure 1 Disconnect the D-sub connectors from the CH01-CHO8 IN/OUT on the MDP (see Fig. 3-6), 2 Set the PDH Analyzer at transmit signal and receive signal at STATION A and STATION B as follows: + Nitrate © 1.544 Bps (ANSI T1.
OI-804824-051 E CONTENTS 031020 5.8 GHz 15/28/50 MB PDH DIGITAL MICROWAVE RADIO SYSTEM Nitrite L (PDH SYSTEM) SECTION IV MAINTENANCE CONTENTS TITLE 1. GENERAL 1-4 2. PRECAUTIONS 2.1 Chart 2-1 Maintenance Mode Setting possessiveness 2.3 3. PREVENTIVE MAINTENANCE 3.9 3.4 Test Sets and Accessories sees 3.2 LCT Maintenance 3-2 Chart 3-1 Maintenance Mode Setting consciousnesses 3.2 sesancarnenseapversevs 3.1 nonperformance Mor 3d Chart 3-2 Performance Monitoring 3-4 4.
CONTENTS OI-504824 1. GENERAL TAR Tier This section provides instructions for the maintenance of the 5.8 Giz 15/28/50 MB digital microwave radio system. This section provides precautions and instructions on preventive maintenance and corrective maintenance. This manual is described for the firmware version of as follows. SW UNIT: 1.0.1 MD UNIT: 1.0.
OI-504824 PRECAUTIONS 2. PRECAUTIONS EEA ES Seuss The following precautions must be carefully observed during maintenance. (a) The maintenance personnel should report arrival at and departure from a station to the relevant station. The following are dangers and warnings to the maintenance personnel, Warning: 1. The —43 V DC power is superimposed on the center conductor of the I/F cable between the MDP and the TRP.
OI-804824 PRECAUTIONS Information on the maintenance and the control such Mute, CW, LB, etc. is released if the power is toned off or the RESET switch is pressed. (f) While the CPU is initialized by pressing the RESET switch, alarm(s) is in normal condition. After initialization, the alarm information is properly provided through relay contacts. (g) Service will be interrupted instantly by pressing the RESET switch. (b) When the control such as TX MUTE, CW, LB, etc.
PRECAUTIONS Chart 2-1 Maintenance Mode Setting Step Procedure RS.202C CABLE Note: * The MD Unit No.2 is not provided Jor 1+0 system. Fig. 2.2 LCT Setup 2 Open the Terminal software (e.
OI-504824 TEST SETS AND ACCESSORIES 3. PREVENTIVE MAINTENANCE wes SEAT ERIS This chapter provides the routine (annual) maintenance procedures to ensure the satisfactory operation of the equipment, During preventive maintenance, carefully observe the precautions given in chapter 2. 3.1 Test Sets and Accessories The test sets and special accessories listed in Table 3-1 are required for maintenance. If recommended test sets and accessories are not available, equivalents may be used.
OI-504824 TEST SETS AND ACCESSORIES 3.2 LCT Maintenance Mode 2-10 4 pages Chart 3-1 Maintenance Mode Setting Step Procedure i Enter Login name “Admin” and the “Enter” key, gin : Admin as sward | ee . NEC PDH RADIO VER. Logout 1. Alarm / Status 1 2, Performance Mentor | 3. Provisioning Data | 4. System Configuration 5. inventory Data 8. Relay / House Keeping 7.