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Broadband Fixed Wireless

Installation Guidelines

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AN-30e & AN-50e

Systems

70-00042-01-02

August

2005

Page 1 of 34

Содержание AN-30e

Страница 1: ...Broadband Fixed Wireless Installation Guidelines AN 30e AN 50e Systems 70 00042 01 02 Proprietary Redline Communications 2005 August 2005 Page 1 of 34 ...

Страница 2: ...s Inquiries North American Toll free sales line International nainfo redlinecommunications com 1 866 633 6669 intlinfo redlinecommunications com Support Email Telephone support redlinecommunications com Contact your Redline Distributor Product Registration http www redlinecommunications com Click Support User ID Register Password Redline Disclaimer Every effort has been made to ensure the accuracy...

Страница 3: ...fing 15 3 2 1 Weatherproofing Materials 15 3 2 2 Applying the Weatherproofing 16 3 3 IF Cabling 19 3 3 1 IF Cable Routing 19 3 3 2 IF Cable Selection 19 3 3 3 Connector Specifications 20 3 4 Lightning Protection Recommendations 21 3 4 1 System Grounding Procedures 22 3 5 Recommended Lightning Arrestors 24 4 IDU Installation 25 4 1 Checklist 25 4 2 Install the Indoor Terminal 25 4 2 1 Mounting 25 4...

Страница 4: ...Radio on Mounting Bracket 15 Figure 8 Weatherproofing Procedures Part 1 16 Figure 9 Weatherproofing Procedures Part 2 16 Figure 10 Weatherproofing Procedures Part 3 17 Figure 11 Weatherproofing Procedures Part 4 17 Figure 12 Example 1 Poor Weatherproofing 18 Figure 13 Example 2 Poor Weatherproofing 18 Figure 14 Lightning Protection Connection Diagram 21 Figure 15 Side View of Mounting Bracket with...

Страница 5: ...ct on or near a direct heat source and avoid placing objects on the terminal 9 Do not operate this device near water or in a wet location 10 Use only a damp cloth for cleaning Do not use liquid or aerosol cleaners Disconnect the power before cleaning 11 Protect the unit by disconnecting the power if it is not used for long periods 12 Locate the terminal on a stable horizontal surface or mount it s...

Страница 6: ...ructions outlined in this manual b Liquid has been spilled a foreign object is inside or the terminal has been exposed to rain c The product has been dropped or the housing is damaged 3 Locate the serial number of the terminal antenna and transceiver and record these on your registration card for future reference Use the space below to affix serial number stickers Also record the MAC address locat...

Страница 7: ...ling it and preventing damage by providing a low resistance path for the discharge of energy to travel safely to ground Improperly grounded connections are also a source of noise that can cause sensitive equipment to malfunction A good tower grounding system disperses most of the surge energy from a tower strike away from the building and equipment The remaining energy on the IF cable shield and c...

Страница 8: ...BFW Installation Guide AN 30e AN 50e Systems 70 00042 01 02 Proprietary Redline Communications 2005 August 2005 Page 8 of 34 ...

Страница 9: ... clearance above natural and man made objects by at least 60 of the First Fresnel zone This will provide a clear line of sight LOS path Figure 1 Fresnel Zone Radius 2 The Redline system is very robust and will work without performance degradation in an optical line of sight OLOS path where a straight path is clear between the two end points but the 60 of the First Fresnel zone is not clear If the ...

Страница 10: ...ath Profile Antenna Description Location Instructions to identify the location for installing the antenna mast May include blueprints and specify material list Height Mounting height for antenna Azimuth Horizontal aiming direction for the antenna magnetic or GPS compass Elevation angle Vertical aiming for antenna spirit level Expected RSSI Use the Link Budget tool to determine the expected receive...

Страница 11: ...commended method for obtaining a satisfactory RF signal is to test a number of antenna positions and measure the signal to noise ratio and received signal strength RSSI for each position It is also important to test for RF interference at the intended rooftop or tower installation site RF interference can be caused by any wireless system in the area that is operating in the same frequency band as ...

Страница 12: ...ly system no TDM traffic with adaptive modulation enabled This setting will allow for easier antenna setup and alignment as the wireless equipment can establish a connection using any available modulation and coding scheme When the system is completely installed and operating at the required stability and throughput adaptive modulation should be disabled before running live TDM traffic over the wi...

Страница 13: ... T 58 Transceiver with Antenna flat panel or parabolic system RF port cable IF port cable optional Lighting arrestors optional Antenna aiming directions site path survey Customer Antenna mast supplied Building ground connection block Items Grounding wire Cable ties etc Waterproofing material for connections 3 1 Assembly and Mounting of ODU It is suggested that the majority of the assembly and weat...

Страница 14: ...herproofing the connectors Figure 5 Antenna Bracket Assembly with transceiver 3 Mount the ODU and the antenna securely to the mounting bracket Ensure both antennas have the same polarization The arrows located at the rear of the antenna indicate the polarization as shown in Figure 6 The vertical arrow pointing UP indicates vertical polarization Figure 6 Polarization Indicators on Rear of Antenna 4...

Страница 15: ...to tower ground Short RF cable from radio to antenna Figure 7 Underside View of the Radio on Mounting Bracket 8 The overall grounding to the tower of the unit may now be completed Follow all local and national codes 3 2 Weatherproofing 3 2 1 Weatherproofing Materials THE IMPORTANCE OF PROPER WEATHERPROOFING CANNOT BE OVERSTRESSED Do not use PVC tape We recommend sealing tapes designed for outdoor ...

Страница 16: ...ect weatherproofing procedures 1 Check that all connectors are correctly tightened Figure 8 Weatherproofing Procedures Part 1 2 Begin to wrap the splicing tape Start as close to the radio equipment body as possible Stretch and wind the tape back along the connector housing making very sure there are no gaps in the tape Figure 9 Weatherproofing Procedures Part 2 70 00042 01 02 Proprietary Redline C...

Страница 17: ...radio Figure 11 Weatherproofing Procedures Part 4 5 Continue to work the putty in making a watertight seal The connection is now well weatherproofed This method of weatherproofing must be completed on ALL external connections If lightning arrestors are used all the associated connections and arrestors must be wrapped completely in splicing tape 70 00042 01 02 Proprietary Redline Communications 200...

Страница 18: ... Installation Guide AN 30e AN 50e Systems Figure 12 Example 1 Poor Weatherproofing Figure 13 Example 2 Poor Weatherproofing 70 00042 01 02 Proprietary Redline Communications 2005 August 2005 Page 18 of 34 ...

Страница 19: ... following signals between the IDU and ODU OFDM IF signal at 815 MHz Local Oscillator LO signal at 2 5 GHz 24 Volt DC voltage for the T 58 T54 Electronics Control signal between IDU and ODU F type connectors are used for the IF cables Crimpable F connectors using the center conductor of the cable as the connector pin must not be used for the RG 11 cable The diameter of the RG 11 cable center condu...

Страница 20: ... 450 ft with 2 IF lightning arrestors Maximum cable attenuation displayed on GUI 12 dB Heliax Cable Manufacturer Andrew P N Heliax LDF4 75 N connector L4NF 7570 female Maximum cable length 228 m 750 ft with 2 IF lightning arrestors Maximum cable attenuation displayed on GUI 12 dB Notes on heliax cable 1 A small jumper cable is required to adapt the N connector on the Andrew cable to the F connecto...

Страница 21: ...ocal and national electrical codes serve to minimize possible equipment damage service outages and serious injury The two main reasons for these damages can be summarized as follows 1 Tower Antenna sites are not grounded properly and as a result could conduct high lightning strike energy 2 Lack of installed lightning protection equipment could cause equipment failures from lightning induced curren...

Страница 22: ...axial shield to the ground point Only the shield of the IF cable should be bonded to the grounding points There is DC current flowing in the center conductor and any connection to the center conductor will interfere with the DC current and cause equipment malfunction Install IF Lightning Arrestors Install two IF lightning arrestors in series with the IF cable The first IF lightning arrestor at the...

Страница 23: ... side Figure 15 Side View of Mounting Bracket with Lightning Protector Install RF lightning Arrestor Install one RF lightning arrestor between the ODU and the antenna The Polyphaser arrestor can be mounted directly on the N connector as shown in the following picture Figure 16 Side View of the Mounting Bracket with Ground Cable 70 00042 01 02 Proprietary Redline Communications 2005 August 2005 Pag...

Страница 24: ...d IF and RF lightning arrestors are given below For IF cable Polyphaser part 103 1125T A For RF cable Polyphaser LSX ME Figure 17 Illustration of Polyphaser 103 1125T A Figure 18 Illustration of Polyphaser LSX ME 70 00042 01 02 Proprietary Redline Communications 2005 August 2005 Page 24 of 34 ...

Страница 25: ...s AC and or DC options system IF port coaxial cable Terminal mounting equipment rack or tray Power AC or DC power source depends on equipment option Customer Ethernet port cabling supplied Building ground connection Items Grounding wire Cable ties etc 4 2 Install the Indoor Terminal The following are general guidelines for mounting and connecting the terminal 4 2 1 Mounting The wireless terminal m...

Страница 26: ...or DC power supplies The AC power supply includes an AC connection cable A grounded AC outlet must be provided within about one meter of the terminal mounting location This cable is supplied with a grounding power plug Do not defeat this important safety feature The dual AC option features individual AC power connection cables for each power supply dual cord The DC power supply includes a DC conne...

Страница 27: ... host computer using a straight through CAT 5 UTP cable For correct operation the host computer and the terminal must appear to be on the same subnet Set the IP address of the PC to 192 168 25 10 and the subnet mask to 255 255 255 0 Power on the terminal Restore the factory default settings by depressing the reset switch on the front panel for more than five seconds Launch the Web browser and ente...

Страница 28: ... Action Select the mode of operation for DFS on this terminal DFS can not be disabled where required by regional regulations DFS Antenna Gain Enter the antenna gain dBm This value must be set to match the system antenna only if DFS is enabled ATPC Enable Check this box to enable the Automatic Transmit Power Control Adaptive Modulation Check this box to enable adaptive modulation mode Note that ada...

Страница 29: ... slave system to automatically scan for the frequency of the AN 30e An 50e Master system with Master Mode enabled DFS Action Select the mode of operation for DFS on this terminal DFS can not be disabled where required by regional regulations DFS Antenna Gain Enter the antenna gain dBm This value must be set to match the System antenna only if DFS is enabled ATPC Enable Check this box to enable the...

Страница 30: ...BFW Installation Guide AN 30e AN 50e Systems 70 00042 01 02 Proprietary Redline Communications 2005 August 2005 Page 30 of 34 ...

Страница 31: ...e set vertically to a close approximation using a bubble level as shown in Figure 21 below This will eliminate one variable in the alignment process This method is not accurate where the elevation must be set to more than a few degrees up or down Figure 21 Leveling Antenna Elevation Plane Elevation alignment is accomplished by loosening the two bolts attached to the mounting brackets The azimuth i...

Страница 32: ...seen This should be repeatable in both elevation and azimuth at each end of the link Once the alignment has been completed the RSSI value should be checked against the estimated value obtained from the link budget If the link is LOS the value should not differ by more than about five dBm If the RSSI is much less than the budget prediction suspect an optical LOS or even non LOS path The other possi...

Страница 33: ...tion The remote unit will be disabled for five minutes and then will reboot and resume normal transmission Use the GUI to reduce Tx power to 20 dBm and select channel 1 as a starting point Monitor the Receive Signal Strength Mean and SINADR values If no interference is present the RSSI should indicate 89 31 dBm and the SINADR will read 0 00 dB When interference is present the RSSI level will incre...

Страница 34: ...ments configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Redline Communications Inc 70 00042 01 02 Proprietary Redline Communications 20...

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