Pasolink V4 Installation and Initial Lineup Description

NEC Pasolink Series
Digital Radio System Pasolink Installation Description
Installation
The standard installation is summarized in this section. Included herein is information on typical installation work flow and installation guide for IDU, ODU, antenna, waveguide installation and cable connection. Firstly, please refer to the installation flow shown as right diagram
January 13, 2007
NEC Corporation 2007
IDU Packing List

Each unpacked component of digital radio system must be checked. For IDU, we can easily find some relative information from the top panel of IDU, such as: 1. Required Power 2. System capacity 3. Serial number 4. Product date 5. Warning 6. Caution
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ODU Packing List
For ODU we also can easily read some important information such as: 1.[ ]G equipment 2. Shift frequency 3. Sub-band 4. High/Low 5. Chanel number 6. Frequency point 7. Serial number 8. Product date
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Identify Different Type ODU

1. 7/8 G ODU 2.Waveguide type ODU
Main different point
3. Antenna direct mount ODU(13-52G)
type
O-ring(attached to wave guide type ODU)
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Mounting Bracket Packing List

1 2 3
No. 1 2 3 4 5
Description Pole Mounting Coaxial Cable Type (7/ 8 GHz) Pole Mounting WaveguideType Antenna Direct Pole Mounting Type Wall Mounting Type 19'' Rack Mounting Type
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Other Relative Assembly

1 2
No. 1 2
Desciption 13-38G HYB (x1) for 1+1 7-8g HYB (x1) for 1+1, with N-type coaxial cable connector Power connector ( Molex Housing M5557-4R) (x lea) Cable termianl (Molex M5556-4T) (x 4ea) 7.5 A Fuse (SMP75) (x 2ea)
3 4
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IDU Mounting
The installation of procedure for (1+0)IDU mounting is as below:
Step 1. Align the IDU to the mount position on the 19-inch rack.
Step 3.To mount IDU in 19-inch rack, allow space more than 200mm to the rear section and space for one unit to the top and bottom.
Step 2.Fix each side of IDU to the rack with two screws(M5).
Note*: Normal setting for free space. When free space closed within one rack unit, keep the environmental temperature less than +40C
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IDU Mounting
The installation of procedure for (1+1)IDU mounting is as below:
Step 1. Align the IDU to the mount position on the 19-inch rack. Step 3.To mount IDU in 19-inch rack, allow space more than 200mm to the rear section and space for one unit to the top and bottom.
Step 2.Fix each side of IDU to the rack with two screws(M5).
Note*: Normal setting for free space. When free space closed within one rack unit, keep the environmental temperature less than +40C
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ODU Mounting
There are three types of mounting for the ODU: Pole mounting, wall mounting and 19-inch rack mounting types. The tools for installation are listed in below Table 1-1.
Tools
Torque wrench or Monkey wrench Screwdriver Tape measure* Center punch* Hammer* Electric drill *
Table 1-1
Caution: How to use small and large O-rings are shown in the following Table1-2.Two(small and large) O-rings are attached in 18-38G Hz band Andre/RFS direct mount antenna. 13/15G band antenna does not have small O-ring(small O-ring is not used for Andrew/RFS direct mount antenna). If the small O-ring is used for ODU direct mount installation, a gap may occur between ODU and antenna for RF interface. This may cause transmit or receive level down.
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ODU Mounting
O-Ring OF ATTACHMENT OF ANTENNA ANT-------ODU ANT-------WG/ ODU (18--38GHz BAND) O-RING SMALL SIZE Not used Used LARGE SIZE Used Not used REMARKS Antenna direct mounting Waveguide connection
Note: 13/15GHz antenna for direct mount is not possible to connect the ordinary waveguide flanges.
Notes: 1.* Do not use both small O-ring and large O-ring simultaneously. 2. Large O-ring size is different with frequency band as follows:
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ODU Mounting
Following we will introduce the procedure of pole mounting for different frequency band ODU respectively. 1. 7/8 GHz ODU Mounting(Connecting Coaxial Cable)
Step 1.Mount the bracket to the pole, point to the opposite station and tighten it with two U-bolts.
Step 2.Mount the ODU on to the bracket and tighten four bolts(M6) at upper and lower parts of the ODU.
Note: The diameter of pole is from 48.5 to 114.5 millimeters.
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ODU Mounting
Step 3. Check that the ODU and the bracket are fixed firmly or not. Step 4. Connect the Coaxial cable to the RF IN/OUT connector of the ODU. Down the cable fix bracket to fix the Coaxial cable, then tighten the two bolts.
Caution: Before connecting the IF cable between the IDU and ODU, using the circuit tester, check that the resistance of the IF cable between center conductor and insulation is more than 100 M Ohm.
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ODU Mounting
Step 6. Install the Coaxial cables between the antenna and ODU.
(When the wave guide flange is provided to the antenna port, fit the transducer with eight bolts)
1+0 System
Caution: Wrap the coaxial cable connection points with a self-bonding tape for waterproof.
Note: Fix the coaxial cable to the pole or member with cable hanger or cable ties after antenna orientation has been completed.
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ODU Mounting
For the 1+1 system connection steps similar with 1+0 system.
1+1 SD System
Note: Antenna Separation (S)is given by path calculation depending on the system parameter.
Using HYB For 1+1 System

ODU Mounting
2.13-38 GHz Waveguide Connection Pole Mounting Bracket, Assembling
Step 1. Mount the attachment with adapter to the ODU bracket using ten bolts.
Step 3. Mount the ODU bracket to the pole with two U-bolts.
Step 2. Loosen eight nuts and remove the two U-bolts from the ODU bracket.
ODU Mounting
3.13-38 GHz ODU Andrew(small/large) antenna direct mounting procedure: Large size antenna
Step 1. Install the bracket to the antenna pole.
Small size antenna
Step 2. Mount antenna to the bracket.

Note:1.Figure shows V polarization 2.Be careful not to damage the O-ring(Antenna)
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ODU Mounting
Step 3. Fix the ODU to the bracket by tightening the M6 screws(four locations).
Step 4. Insert guide pin on the hole of bracket to set the position of screws.
Caution: Align flanges on antenna and ODU correctly, and fix the ODU with four screws.
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ODU Mounting
Step 5. Fix the ODU to the bracket with four screws.
Note: Antenna Separation (S)is given by path calculation depending on the system parameter.
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ODU Mounting
Step 6. For 13-38GHz 1+1 ODU direct mounting antenna system need install Hybrid additionally.
Step 6.1. Fix the bracket and handle to the HYB.
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ODU Mounting
Step 6.2. Check the polarization and fix the HYB to the antenna by tightening the M6(four locations).
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ODU Mounting
Step 6.3. Insert the O-ring to the two ODU ports of HYB. Step 6.4. Fix the two ODUs with hex screws using the Allen key wrench.
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ODU Mounting
4.Waveguide connection for 1+1 HYB procedure:
Step 1. Assemble the bracket and handle to the HYB.
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ODU Mounting
Step 2. Assemble parts of the pole mounting bracket used to mount to the HYB.
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ODU Mounting
Step 3. Screw the Mount Arm and the Truss with the M6x25 Screw, Flat Washer(x2),Spring Washer(1),Nut, at four locations.
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ODU Mounting
Step 4. Determine centre off set.
Step 5. Fit the guide pin of HYB to the Guide Pin Hole of the Mount Arm.
Note: When either Main or Standby ODU is removed, attach the short plate over the ODU port. January 13, 2007 NEC Corporation 2007 26
ODU Mounting
Step 6. Install the HYB onto the bracket with the M6x35 Screw, Flat Washer(x2), Nut(x2), at four positions.
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ODU Mounting
Step 7. Install the HYB to the mounting pole using the M12x200 Screw, Flat Washer, Nut.
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ODU Mounting
Step 8. Adjust direction of the bracket for Waveguide Port of the HYB orientation.
Step 9. Confirm the ODU Type, which is Master or Slave.

ODU Mounting
Step 10. Install the ODU onto the HYB.
Note: The ODU should be attached by turning the plate marked V up position for both Main ODU and Standby ODU.
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ODU Mounting
Step 11. Connect the flexible waveguide to the ODU and fix the waveguide to the ODU with four bolts.
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Polarization Change
For ODU direct mounting type antenna, can refer to the installation manual which is attached to the antenna.(Note: The antenna is
set to V-polarization when shipped from the factory)
As Andrew antenna is example the procedure of change polarization as:

Step 1. Keep the antenna stand horizontally.
Step 2. If you change to H polarization, loosen the four screws with the Allen key wrench and then rotate the Transition hub of feed, keeping the antenna stand horizontal.
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Polarization Change
Step 3. Holding the feed with hand, rotate the feed 90 degrees.
Step 4. Check that the aperture part of the Transition hub is rotated by 90 degrees, then fix it with the screws that were loosened in step 1.
Note: When a large and small gasket are included in the antenna package. Please us the large one(The small gasket is not used in antenna mount).
Above procedures descript >1.2M diameter antenna, following will give you brief introduction for small size Andrew antenna how to change the polarization.
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Polarization Change
Step 1. Keep the antenna stand horizontally. Step 2. Loosen six screws with Allen wrench until transition can rotate freely.
Note: Do not remove the screw complete from the screw hole. Because of the screw tight is applied, the strength to loosen screw is necessary.
Step 3. Rotate the transition hub 90 degrees until timing pin locates in timing concavity.
Step 4. Tighten six screws when transition hub is located.
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Polarization Change
Hybrid polarization change procedure:
Step 1. If you change to H polarization, loosen two screws, rotate the Transition hub and put the HYB horizontally.
Step 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.
Note: The hybrid is set to V-polarization as default.
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Polarization Change
ODU polarization change procedure:
Step 1.When vertical polarization is required, rotate the ODU so as to go up the plate marked V. Step 2. When horizontal polarization is required, remove the guide pin fixed on the plate marked with V.
Step 3.Screw in the guide pin removed in Step 2 to the screw hole of the plate marked H. Step 4.Rotate the ODU so as go up the plate marked H.
Note: When the ODU is mounted on to NEC HYB, only V polarization is applied.
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Waveguide Connection
1.The connection method of the waveguide type ODU is described in following procedures:
Step 1. Mount a waveguide to the ODU, fix the waveguide to the ODU with 4 bolts.
Notes: 1. Use suitable flange adapter between ODU and waveguide depending on the waveguide type. 2. Connection of the waveguide is the same way as ODU is wall mounted or 19-inch mounted.
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2.The connection method of the antenna direct mounting type ODU is referred to the following procedures:
Step 1. Mount the ODU bracket to the pole with two bolts.
Step 2.Mount the ODU to the ODU bracket with attached 4 bolts.
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Step 3.Make sure that the ODU and the ODU bracket are fixed at specified values. Step 4.Mount the waveguide to the ODU with four bolts.
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Frame Grounding
There have very important point is that IDU and ODU frame grounding. Location:
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Frame Grounding
For outdoor frame grounding as right diagram: During the on-site installation, please find nearest grounding bus bar for ODU grounding.
Note: * NEC recommends that frame grounding of ODU should be connected to the earth line as NECs standard installation.
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Cable Termination
This section we will describe the cable termination such as D-sub connector, IF connector of the L type, IF connector of the straight type and Molex M5557-4R connector respectively. The necessary tools and materials are summarized in Table 2-2.
Table 2-2 Tools and Material List

Cable Termination
Terminating supervisory cables with D-sub connector making procedure:
Step 1. Strip back the cable sheath, taking care not to damage the braided shield.
Step 2. Fold back the braided shield(do not separate the strands) and trim it as shown.
Step 3. Remove the insulation over a length of 4mm from the end of wire.
Step 4. Insert the cable into the socket contact. Step 5. Cable should be fitted, so that insulation and bare wire are arranged.
Cable Termination
Step 6. Mount the socket contact using a hand crimping tool.
Step 7. Recheck that the wire position is as shown in Step 5 before crimping the contact (see illustration at right).
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Cable Termination
Step 8. Wind the metallic shield tape on the braided shield.
Step 9. Set the cable into plug case, then fit the cable clamper and two screws.
Step 10. Referring to circle A, fix drain wire with screw. Step 11. Referring to circle B, insert each wire to the specified position, insert the socket contacts into the upper and low row positions while taking care that the socket contacts are inserted the right way round. Finally, fix the plug case with 2 screws.
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Cable Termination
For D-sub connector pin assignment describe as following table: IDU Traffic IN/OUT(CH1-CH8):
CHANNEL NO. PIN NO. WIRE COLOR CH 8 Pin 1 Red Data Input Pin 2 CH 7 Pin 3 Pin 4 Pink Data Input CH 6 Pin 6 PinkBlue Data Input Pin 7 PinkGreen Data Input CH 5 Pin 8 PinkBlack Data Input Pin 9 Blue Data Input CH 4 Pin 11 BlueBlack Data Input Pin 12 Purple Data Input CH 3 Pin 13 PurpleWhite Data Input Pin 14 PurpleBlack Data Input CH 2 Pin 16 GreenBlack Data Input Pin 17 GreenWhite Data Input CH 1 Pin 18 Yellow Data Input Pin 19 YellowBlack Data Input
RedWhite Red-Black Data Input Data Input
CHANNEL NO. PIN NO.
CH 8 Pin 20 Pin 21 Light BlueBlue Data Output
CH 7 Pin 22 Light BlueGreen Data Output Pin 23
CH 6 Pin 25 Pin 26
CH 5 Pin 27 Pin 28
CH 4 Pin 29 Pin 30
CH 3 Pin 31 Pin 32
CH 2 Pin 34 Pin 35
CH 1 Pin 36 Pin 37
WIRE COLOR
LightBlue Data Output
Light Orange- OrangeBlue-Red Orange Black White Data Output Data Output Data Output Data Output
Gray Data Output
GrayBlack Data Output
GrayGreen Data Output
GrayRed Data Output
Brown Data Output
Black Data Output
BlackWhite Data Output
LightGreen Data Output
White Data Output
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Cable Termination
IDU Traffic IN/OUT(CH9-CH16):
CHANN EL NO. PIN NO. WIRE COLOR CH 16 Pin 1 Red Data Input Pin 2 RedWhite Data Input CH 15 Pin 3 RedBlack Data Input Pin 4 Pink Data Input CH 14 Pin 6 PinkBlue Data Input Pin 7 PinkGreen Data Input CH 13 Pin 8 PinkBlack Data Input Pin 9 Blue Data Input CH 12 CH 11 CH 10 CH 9
Pin 11 Pin 12 Pin 13 Pin 14 Pin 16 Pin 17 Pin 18 Pin 19 BlueBlack Data Input Purple Data Input Purple- Purple- Green- GreenYellowWhite Black Black White Yellow Black Data Input Data Input Data Input Data Input Data Input Data Input
CHANN EL NO.
CH 16
CH 15 Pin 22 Light BlueGreen Data Output
CH 14
CH 13
CH 12
CH 11
CH 10
CH 9
PIN NO. Pin 20 Pin 21 WIRE COLOR LightBlue Light BlueBlue
Pin 23 Pin 25 Pin 26 Pin 27 Pin 28 Pin 29 Pin 30 Pin 31 Pin 32 Pin 34 Pin 35 Pin 36 Pin 37 Light BlueRed Orange- OrangeBlack White GrayBlack GrayGreen GrayRed BlackWhite LightGreen
Orange
Gray
Brown
Black
White
Data Data Output Output
Data Data Data Data Data Data Data Data Data Data Data Data Data Output Output Output Output Output Output Output Output Output Output Output Output Output
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Cable Termination
IF cables with L-type connector making procedure:
Step 1. First fit the tying metal, washer and gasket on the cable.
Step 2. Strip back the cable sheath, taking care not to damage the braided shield, and fit the clamp.
Step 3. Fold back the braided shield(separating the strands of the braid) and trim it.
Step 4. Insert the ferrule.
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Cable Termination
Step 5. Fit the bush.
Step 6. Cut the aluminum fail and inner insulator away along the bush and remain the inner conductor. Step 7. Taper the edge of the center conductor using a file as shown in right circle.
Step 8. Cut the aluminum fail and inner insulator away along the bush and remain the inner conductor.
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Cable Termination
Step 9. Insert the cable into the shell.
Step 10. Tighten tying metal with wrench point by wrench.
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Cable Termination
IF cables with Straight type connector making procedure:
Step 1. First fit the lock nut, washer and gasket on the cable.
Step 2. Strip back the cable sheath, taking care not to damage the braided shield, and fit the clamp A.
Step 3. Fold back the braided shield and trim it. Step 4. Cut away the insulation from the center conductor and fit the clamp B. Be sure not to cut or scratch the conductor while stripping the insulation.
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Cable Termination
Step 5. Cut the center conductor. Taper the end of the center conductor using a file as shown in the circle.
Step 6. Mount the center contact onto the center conductor.

Note: Insert the center contact into insulator(1.5mm)
Step 7. Mount the insulation onto the center contact.
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Cable Termination
Step 8. Insert the cable into the connector shell.
Step 9. Tighten the lock nut.
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Cable Termination
Power supply cables with Molex connector making procedure:
Step 1. Remove 3.0 to 3.5 mm of insulation.
Step 2. Set the socket contact to the following position onto a hand crimping tool.
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Cable Termination
Step 3. Squeeze the handle of the hand crimping tool, insert cable into socket contact. Step 4. Cable should fit, so insulation and bare wire are arranged.
Step 5. Squeeze the handle of the hand crimping tool until ratchet is released.
Step 6. Insert socket contacts into the power connector till they lock.
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Cable and Terminal Connections
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Cable and Terminal Connections
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Waterproof Protection
After cable connection, must be taken waterproof method in order to protect our equipment resist from raining.
7/8 GHz (1+0) System
7/8 GHz (1+1) System
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Waterproof Protection
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Initial Lineup
1.Start-up:
Step 1. Check that the LINE IN voltage is between +20V to +60V/-20V to -60V with the digital multimeter, before connecting the power connector to the IDU.
Note: The range of DC power input depends on system requirement.
Step 2. Turn on the POWER switch on the IDU.

Note: For 1+1 system, when neither No.1 nor No.2 channel is working, first set the OPE SEL switch to the desired (No.1 or No2) position and power on the selected MD Unit or set the OPE SEL switch to neutral(Auto) position and power on both MD units. When either No.1 or No.2 channel is working, perform MAINTE ON condition with the LCT, set the OPR SEL No.1-No.2 switch on the IDU to the working channel side, then, turn on the power switch of the not working channel.
Step 3. Allow equipment to warm up for at least 30 minutes.
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Initial Lineup
2.Shut-down: For 1+0 system
Step 1. Turn off the POWER switch on the front of the IDU.
For 1+1 system

Step 1. Perform the setting for MAINT ON condition with the LCT. Step 2. Set the OPR SEL No.1-No.2 switch to the channel position to be on-line. Step 3. Turn off the POWER switch on the channel of off-line.
Note: In 1+1 system, before turn off the POWER switch of No.1 or No.2 channel, perform MAINT ON condition with LCT.
3. Lineup Test:
BER measurement cannot be performed on channels which are occupied with LAN signal, therefore change the setting from LAN to 2MB signal transmission using LCT before the measurement. For BER test required tools as: 1) Digital Multimeter; 2) Screwdriver; 3) BER Tester; 4) Personal Computer. The procedures for BER test between two sites are described for both (1+0) and (1+1) system as follows: Step 1. Set up as following figure, at station A, the output signal from BER tester (SENDING UNIT),then the input signal mode to BER tester (RECEIVEING UNIT) at station B. Also, can loop up the station B using one BER tester to implement this test.
Initial Lineup
Lineup Test Setup (1+0) System
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Initial Lineup
Lineup Test Setup (1+1) System

Initial Lineup
Step 2. Meter reading of ODU, remove the cap from the RX LEV MON jack.
Step 3. Connect an RF cable with F connectors (Male) to RX LEV MON jack. With the digital multimeter or OW/RX LEV Monitor unit, confirm that the meter indication is as described in table:
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Initial Lineup
Step 4. Disconnect RF cable, the digital multimeter or OW/RX LEV MONITOR and reconnect the cap removed in step 2. Step 5. Connect the personal computer to the LA PORT of the IDU using an RS-232C cable.
Note: At the end of LCT operation log out from LCT menu by keying 99 and then exit from the communication software. In case if you have exit from the communication software without logging out from LCT, repeat connecting and disconnecting of the RS 232C cable once to reset.
Step 6.Turn on the power on the PC and press the CTRL and D keys at the same time
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Initial Lineup
Step 7. Press Enter key. Step 8. Press 0 key and Enter key.
Step 9. Following display appears.
Step 10. Press the 3 key and Enter key, the following appears. For 1+0 System
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Initial Lineup
For 1+1 System
Step 11. Press the 1 key and Enter key, the following appears. For 1+0 System
For 1+1 System
Step 12. When the Pasolink is in normal working condition, results maybe appeared within the values shown in table:
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Initial Lineup
Step 13. Press 99 key to exit. Step 14. Connect the OW/RX LEV MONITOR to the RX LEV MON jack on the ODU. Step 15. Connect headset to the EOW jack on the front panel of the IDU and/or to EOW jack on the OW/RX LEV MONITOR.
Step 16. Press the CALL button switch on the front panel of the IDU, at opposite site, the buzzer on the IDU is activated. Step 17. Check that order wire telephone between sites can be connected by using headsets.
Initial Lineup
Step 18. Set OW switch on the OW/RX LEV MONITOR to ON (OW indicator on the OW/RX LEV MONITOR is turned on). Step 19. Check that order wire telephone between sites can be connected by using headsets. Step 20. Set OW switch on the OW/RX LEV MONITOR to OFF (OW indicator on the OW/RX LEV MONITOR is turned off). Step 21. Disconnect headset from EOW jack on the front panel of the IDU, and/or from EOW jack on the OW/RX LEV MONITOR. Step 22. Disconnect the OW/RX LEV MONITOR from the RX LEV MON jack on the ODU.
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NEC Pasolink Series

Digital Radio System Pasolink Installation Description

January 13, 2007

NEC Corporation 2007

IDU Packing List

January 13, 2007

NEC Corporation 2007

ODU Packing List

Identify Different Type ODU

Main different point

3. Antenna direct mount ODU(13-52G)

O-ring(attached to wave guide type ODU)

January 13, 2007

NEC Corporation 2007

Mounting Bracket Packing List

January 13, 2007

NEC Corporation 2007

Other Relative Assembly

January 13, 2007

NEC Corporation 2007

January 13, 2007

NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007

Using HYB For 1+1 System

Small size antenna

Step 2. Mount antenna to the bracket.

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NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007

Step 6.1. Fix the bracket and handle to the HYB.

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NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007

Step 1. Assemble the bracket and handle to the HYB.

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NEC Corporation 2007

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NEC Corporation 2007

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NEC Corporation 2007