Axxcelera Broand Wireless EX-F058 AB-Access EXTENDER User Manual part 2

Axxcelera Broadband Wireless, Inc. AB-Access EXTENDER part 2

User manual part 2

Internal DRAFT CopyDocument Number: ABA-U-NII-PIM-3 (part2 – chapters 7 to 11)May 2001 AB-ACCESSSYSTEMU-NII PRODUCT INSTALLATION MANUALfor Subscriber Units, Base Stations, Access Pointsand AB-Access Extender Units
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-17 Subscriber Unit InstallationTBD: Update the figure numbers etc. in this section an onwards.7.1 Installation OverviewThe Subscriber Unit installation steps are as follows:1. Install the mounting pole and mount the outdoor Subscriber Unit (see Figure 6-1).2. Install the indoor junction box.3. Route the interconnect cable. Connect it to the outdoor Subscriber Unit and the indoorjunction box.4. Ground both the outdoor Subscriber Unit and indoor junction box.5. Perform initial startup and testing.Figure 7-1 AB-Access Subscriber Unit Installation OverviewSECTION 7 Subscriber Unit Installation
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-27.2 Installing Mounting PoleOnce you have selected a site for installing the outdoor transceiver/Subscriber Unit, determinewhat type of surface you will use for your installation. Select from the following list:• Installing on a Brick Or Masonry Wall• Installing on a Wall With Wood Siding• Installing on an Antenna MastThe following sections describe the installation procedure for each of the above.7.2.1 Installing on a Brick or Masonry WallTable 7-1 describes the tools and equipment needed when installing on a brick or masonry wall.Table 7-1 Required Tools And EquipmentTools Equipment QuantityPower drill Mounting pole 1¼ inch masonry drill bit Anchor sleeves 4A bubble level or plumb line Lag bolts 4Phillips head screwdriver orpower drill 1Hammer or mallet 1Adjustable wrench 11. Place the mounting plate against the wall.2. Using a level, be sure that the mounting pole is perpendicular to the ground.3. Using a pencil, mark the hole locations for the drilled hole locations (Figure 6-2).Figure 7-2 Mounting Pole Drill Locations
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-34. Set the mounting pole aside.5. Using a ¼ inch masonry drill bit, drill holes approximately ½ inch deep at the markedlocations.6. Insert the anchor sleeves into the drilled holes. Using a small hammer, gently tap theanchor sleeves into the masonry until tight. Check that the anchor sleeves are flushwith the wall. (Figure 6-3)7. Align the mounting pole with the drilled holes.8. Insert a lag bolt in each of the holes and hand tighten.9. Tighten all lag bolts with a wrench, being careful not to over tighten. Figure 7-3 Mounting Pole Installation Using Expansion Sleeves and Lag BoltsAttention! The mounting pole must be mounted in a vertical position. Failure to do so may result in improper alignment of the outdoor transceiver.IMPORTANT – Before you install the SU, be sure to record, for futurereference, the MAC address found on the SU.10. Now proceed to Installing the Outdoor Subscriber Unit in Section 6.3.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-47.2.2 Installing on a Wall with Wood SidingTable 7-2 describes the tools and equipment needed when installing on a wall with wood siding.Table 7-2 Required Tools and EquipmentTools Equipment QuantityPower Drill Mounting pole 11/8 inch drill bit #6 wood screws 4Bubble level or plumb line Spacers 1Phillips head screwdriver orpower drill 11. Place the mounting plate against the wall. Using a level, be sure that the mountingpole is perpendicular to the ground.This procedure is similar to that shown previously in Figure 6-2.Note that when mounting on clapboard siding, you may need to use spacers to makesure that the mounting pole is perpendicular, as shown in Figure 6-4.Attention! The mounting pole must be in a vertical position for proper alignment of the outdoor transceiver.2. Mark the locations for the drilled holes.3. Remove the mounting pole and set it aside.4. Drill 1/8 inch diameter in the places marked.5. Use #10 or #12 wood screws to secure the mounting pole to the wall andhand tighten.6. Using the level, check that the mounting plate is perpendicular to the ground.Readjust if necessary (you might need to add or remove spacers) and then tighten allscrews with a screwdriver or power drill, being careful not to over tighten.Figure 7-4 Mounting Pole on Clapboard Siding
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-57. Now proceed to Installing the Outdoor Transceiver.7.2.3 Installing on an Antenna MastTable 7-3 describes the tools and equipment needed when installing on an antenna mast.Table 7-3 Required Tools and EquipmentTools Equipment QuantityAdjustable wrench U-bolts 2Washers 4Hex nuts 41. Position the mounting pole on the pole or antenna mast (Figure 6-5).2. Insert the U-bolts around the pole and through the holes in the mounting pole.3. Install a washer and nut to each side of the threaded U-bolts and hand tighten.Figure 7-5 Mounting Pole Installed on Pole or Antenna Mast4. Tighten nuts equally until mounting pole is secure and cannot rotate.Attention! The mounting pole must be mounted in a vertical position. Failure to do so may result in improper alignment of the outdoor transceiver.Warning! The mounting pole must be grounded. See Grounding the System in Section 6.6.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-67.3 Installing the Outdoor Subscriber UnitNow that you have installed the mounting pole, you are now ready to install the outdoorSubscriber Unit (SU) to the mounting pole. Table 7-4 describes the tools and equipment neededto install the SU.Table 7-4 Required Tools and EquipmentTools Equipment QuantityPhillips-head screwdriver Pole clamp 23/16” hex wrench Washers 2Mounting screws 21. Loosen the mounting screws and place the outdoor Subscriber Unit on the mounting pole, asshown in Figure 6-6.2. Hand tighten the mounting screws.3. Rotate the outdoor transceiver in the direction of the Access Point.4. Tighten the mounting screws.Figure 7-6 Outdoor Subscriber Unit Mounted on Wall7.4 Preparing The Indoor Junction BoxThis section explains how to prepare the indoor junction box for installation. You will drill themounting holes, but leave the box uninstalled, as it is easier to route the interconnect cable.Table 7-5 describes the tools and equipment you will need. Table 7-5 Required Tools and EquipmentTools Required Equipment Required QuantityPhillips-head screwdriver Screws 2Flat head screwdriver Wallboard inserts 2Power drill 11/8 inch drill bit 1
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-71. Select a location for the junction box. This should be:• Somewhere you can easily connect to your PC and a power outlet.• Somewhere that is accessible for service and troubleshooting (not too close to the floor).2. Remove the two screws which attach the junction box faceplate to the wall mount.3. Set aside the faceplate with PCB and jack.Attention! Be careful not to damage the two LEDs when removing the PCB.4. On the Wall Mount portion of the Wall Box, use a flat head screwdriver, or a pair of thin-nosed pliers, to break out the pre-scored section of casing wall along the bottom edge of thejunction box (see Figure 7-7). This is where later on you will route the interconnect cable.Figure 7-7 Junction Box Wall Mount (Face Plate and PCB Removed)5. Using the wall plate as a template, mark the mounting hole locations, as shown in Figure 6-7.6. Drill 1/8 inch diameter holes at the marked locations.7. Insert the wallboard inserts.For now, set the junction box to one side, leaving it disassembled. You will reassemble it andmount it on the wall when you have prepared and routed the interconnect cable and grounded thesystem.7.5 Installing the Interconnect Cable7.5.1 Routing the Interconnect CableNow that you have installed the outdoor Subscriber Unit and indoor junction box, you are readyto route the interconnect cable.1. Select where the cable will enter the building from the outside (Figure 7-8).
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-8Figure 7-8 Interconnect Cable Routing Solutions2. Once you have chosen the route, determine the length of cable required. Allow three extrafeet on each end to allow for strain relief as well as any bends and turns.3. Install the cable, leaving the ends free and ready to fit the RJ-45 connector (transceiver end),and install to the indoor junction box.4. Remember to form a drip loop on the exterior of the building where the cable enters thepenetration. This will help prevent water from entering.7.5.2 Preparing the Interconnect CableTable 7-6 shows the tools you need to install an RJ-45 connector on the outdoor subscriber endof the interconnect cable.Table 7-6 Required Tools and EquipmentTools Equipment QuantityCrimping tool (specific to RJ-45used) RJ-45 connector (metal bodied) 1Wire stripperSmall wire cutters1. Remove the grommet (Figure 7-9) and clamping plate from the Subscriber Unit by undoingthe two screws. Be careful not to lose them if you are working on a ladder.NOTE - Add adrip loop at wallpenetration toprevent waterfrom entering
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-9NOTE: The Grommet is made of a special conductive material used to complete the ground between the Subscriber Unit and indoor junction box.Figure 7-9 Grommet Location -- Underside of Subscriber Unit2. Insert the cable end through the grommet clamping plate (Figure 7-10).1. Insert the cable end through the grommet. The tapered end of the grommet should beopposite the cable end.2. Strip 1 inch of insulation off the cable end. Leave 3/8 inch of shielding showing, and trimthe wire ends flat ½ inch from there.3. Using a piece of 1inch squared tinned copper foil, wrap the foil around the shield/braid andsheath with the left edge aligned with the edge of the braid, as shown in the followingFigures 7-10 and 7-11.Figure 7-10 Outdoor Subscriber Unit of the Interconnect Cable with Cable PreparationGrommetGrommetclampingplateNote directionof taperInsert wireinto channels1/2"3/8"ShieldingPin 1Tab onunderside1" square tinned copper foil - wrap the copper foil around the shield/braid and sheath with the left edge aligned with the edge of the braid.Grommet isconductiveand used tocompletethe ground
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-104. Separate the twisted pair wires and align by color code in the order listed in the followingTable 7-7. Figure 7-11 Outdoor Subscriber Unit End of the Interconnect Cable with ShieldingTable 7-7 Cable Legend for Interconnect CablePin Color Code1 White / Orange2 Orange3 White / Green4Blue5 White / Blue6 Green7 White / Brown8Brown5. Using pin 1 as a reference, insert the individual wires into the channels of the RJ-45connector. Each wire should penetrate the channels until flush with the connector end. Thecopper foil tape should extend past the casing of the RJ-45 connector by approximately ½inch.6. When all wires are inserted into the channels in their correct order, use the crimping tool topermanently crimp the wires to the connector.Attention! Carefully read the instructions for the crimping tool you are using. Use the correct crimping tool for the RJ-45 connector you are using. Incorrect installation of the RJ-45 connector may result in a bad connection between the outdoor transceiver and the indoor junction box.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-117.5.3 Connecting to the Outdoor Subscriber Unit TransceiverNow that you have prepared the interconnect cable, you are ready to connect the cable to theoutdoor Subscriber Unit.Attention! Always Disconnect Power from wall box BEFORE inserting RJ-45 connectorinto transceiver. This prevents arcing damage from occurring.1. Insert the RJ-45 connector into the receptacle located underneath the outdoor Subscriber Unit(refer to Figure 6-9). Make sure that the connector tab engages the slot in the receptacle.2. Slide the grommet up the cable and press it into the bottom of the outdoor transceiver.3. Slide the grommet clamp up the cable and align the holes with the mounting holes on thebottom of the outdoor transceiver.4. Insert the two screws in the mounting holes and tighten until the grommet has a slight bulge.Be sure to tighten both screws equally so that the grommet is seated correctly.5. Secure the interconnect cable to the mounting pole with the cable clip, as shown inFigure 7-12. Figure 7-12 Interconnect Cable Installation to Subscriber Unit -- Bottom View7.5.4 Connecting to the Indoor Junction BoxNote that the junction box should still be disassembled and not screwed to the wall at this point.1. Strip 2 inches of insulation off the junction box end of the interconnect cable.Attention! Don’t cut off the shield from the cable – you will need it to ground the system later.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-122. Insert the cable end through the notched out section of the junction box.3. Reinstall the PCB into the junction box using the two screws, allowing enough of theinterconnect cable to be able to reach the punch down block and wrap around the mounts ofthe cover plate for strain relief.4. Using Figure 7-13 as a guide, use the 110 punch down tool to punch down each wire into theslot on the punch down block (reference the following Figure 6-16 which shows the inside ofthe Junction Box).Figure 7-13 Interconnect Cable Connections to Indoor Junction Box5. Snip off excess wire ends, if necessary.Attention! Avoid excessive wire loops when connecting the wire to the punch down block.For now, set the junction box to one side leaving it disassembled. You will reassemble it andmount it on the wall when you have grounded the system.7.6 Grounding The SystemThe AB-Access System must be properly grounded in order to protect it and the building it isinstalled on from lightning damage. This requires grounding both the outdoor transceiver andindoor junction box. The following Table 7-8 describes the tools you will need to ground thesystem.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-13Table 7-8 Required Tools and EquipmentTools Equipment QuantityMallet Grounding rod 1Wire stripper #8 braided copper wireWire cutters Grounding lugs 2Hex wrench Grounding clamp 17.6.1 Installing A Grounding Rod1. Place the grounding rod to allow for the shortest possible path from the grounding cable tothe outdoor Subscriber Units.2. Drive the grounding rod into the ground at least eight inches from the ground surface.3. Attach a grounding clamp on the grounding rod. You will use this clamp to attach groundingwires for both the outdoor Subscriber Unit and indoor junction box.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-14Figure 7-14 Ground Connections for Subscriber Unit7.6.2 Grounding the Outdoor Subscriber Unit1. To ground the outdoor Subscriber Unit, you will need to install a grounding wire from themounting pole to the grounding rod. The wire should be long enough to reach from themounting pole to the grounding rod with 3 to 6 feet extra to allow for strain relief.2. Connect a ground lug to one end of a measured length of copper braided wire by crimpingthe lug to the wire, as shown in Figure 7-15.3. Remove one of the lower mounting screws of the mounting pole. Insert a screw through thegrounding lug terminal and re-install it to the mounting pole.4. Attach the grounding wire to the clamp on the grounding rod. If necessary, use wire staplesto secure the grounding wire to the outside wall.Outdoor transceiverIndoorwall boxGroundingrodConcretefoundationClampGrounding cable(10 AWG)6 AWGPremises electricalgroundGrounding cable(10 AWG)
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-15Figure 7-15 Mounting Pole with Ground Lug7.6.3 Grounding the Indoor Junction BoxTo ground the indoor junction box, you will need to install a grounding wire from the junctionbox to the grounding rod. The wire should be long enough to reach from the junction box to thegrounding rod with 3 to 6 extra feet to allow for strain relief.1. Feed the grounding cable through the broken out section of the wall cover (alongside theinterconnect cable).2. Connect a ground lug to the grounding cable by crimping the lug to the wire, as shown inFigure 7-15.3. Remove the hex nut on the grounding post, as shown in Figure 7-16.4. Install the grounding lug terminal onto the grounding post.5. Attach the wire shield of the interconnect cable to the ground post. You may need to crimpor solder an extra length of wire to the shield in order to attach it to the grounding post.6. Re-install the hex nut to the grounding post and tighten.7. Attach the grounding wire to the clamp on the grounding rod.8. Use the provided small wire tie to firmly attach the interconnect cable to the ground lug.This will provide strain relief for the cable and prevent the data and power leads from beingdisturbed during installation.Ground lug with #10awg coppe r wire
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 7-16 Figure 7-16 Indoor Junction Box Ground Connection7.6.4 Assembling and Mounting the Junction Box1. Place the junction box wall mount over the drilled holes.2. Insert the screws and tighten.3. Reinstall the faceplate onto the junction box using the two screws.IndoorJunction BoxGroundConnection
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 8-18 Indoor Junction BoxThe indoor junction box/wall box consists of a PCB that inserts power into the CAT-5 cable andprovides secondary lightening protection. Photos of the indoor Junction Box are shown inFigures 8-1 and 8-2.Figure 8-1 Indoor Junction Box (Wall Plate Enclosure)The indoor junction box can be wired for ATM25 or Ethernet interfaces. Note that the PCBsmay be housed in separate plastic boxes or mounted in a card cage. Table 8-1 describes thecable legend to follow.Note, Four pre-scorednotches that can beremoved for cableinsertion.SECTION 8 Indoor Junction Box
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 8-2Figure 8-2 Indoor Junction Box InsideTable 8-1 Cable Legend - Junction Box Interconnect CablePin Signal Color Code1 Transmit High (+) White / Orange2 Transmit Low (-) Orange3 LED2 White / Green4 Supply Minus Blue5 Supply Plus White / Blue6 LED1 Green7 Receive High (+) White / Brown8 Receive Low (-) Brown
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 8-38.1 ATM Cross-Over CableFigure 8-3 shows how to wire an ATM cross-over cable:Figure 8-3 ATM Cross-Over Cable8.2 FVC DB-9 To RJ-45 ConverterFigure 8-4 shows a DB-9 to RJ-45 converter.Figure 8-4 DB-9 To RJ-45 ConverterPin12345678Pin123456782 33 75 5 1 8
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 9-19 Testing the System9.1 IntroductionThis section explains how to:• Power up your AB-Access System• Use a PC (known as the Test PC) to check the alignment of your outdoor transceiver• Make sure you have the best connection to your service provider.Attention! This operation may need two people – one to operate the Test PC and one to align the outdoor transceiver.Note: For purposes of AB-Access Extender, the two ends of the AB-Access Extender link appearlike static point-to-point AP and SUs with respect to testing.9.2 Equipment RequiredYou will need the following equipment to test your AB-Access System:• Standalone PC or laptop (Test PC) with a web browser (e.g., Netscape Navigator 4.5 orhigher, Internet Explorer 4.0 or higher).• Standard 10Base-T Ethernet cable with RJ-45 connectors to connect the Test PC to theindoor junction box.You will also need to know the correct IP address and subnet mask to configure the Test PC.Your service provider should have supplied these. The defaults for an SU are 192.168.3.254Netmask 255.255.255.0.9.3 TestingIn order to be able to check the alignment of your outdoor transceiver, along with the connectionto your service provider, you need to know how to configure an IP address and subnet mask. Ifyou are not sure how to do this, look in the manual that came with the PC you are using as theTest PC. You could also check the online help.9.3.1 Connecting Test PC1. Connect the Test PC to the indoor junction box using a standard 10Base-T Ethernet cable(with RJ-45 connectors).2. Insert the power plug adapter into the indoor junction box.3. Insert the AC power plug into an AC outlet.4. Check the LEDs on the junction box.SECTION 9 Testing the System
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 9-2Attention! If the yellow LED is on, this indicates that power is being supplied to the unit. If not, check the connections.9.4 Configure The IP Address1. Switch on the Test PC.2. Configure the Test PC to use the recommended IP address supplied by your system provideror installer (example: 192.168.3.1).3. Configure the Test PC to use the recommended netmask supplied by your system provider orinstaller.Attention! These steps make sure that the test PC is on the same subnet as the AB-Access System. The last number in the Test PC’s IP address must be different from the last number in the IP address of the AB-Access System (see below).9.5 Using the RSSI Interface for RF AlignmentOne of more challenging aspects to RF systems is proper alignment of antennas. With distancesup to 3 miles, it can be very difficult to align an SU with an AP. To solve this problem, the RFsignal strength and packet error rate can be measured to provide feedback, which can be used toproperly align a unit. This information is typically called the Receive Signal Strength Indicator(RSSI).While the RSSI interface is always present, it is primarily designed for use with SUs beinginitially deployed. To use the RSSI interface, the SU should be set to “installation” mode whenupgraded in the Operation Center. Installation mode is used for SUs to be used in a dynamicregistration (EMS) environment. When an SU is in installation mode, the SU will wait for theinstaller to align the antenna and will register only after the installer has initiated the registrationsequence via the browser interface. This is slightly different from registration mode, where theSU automatically registers with the strongest AP immediately after booting.For realignment, the SU must be set back into Installation mode from the hmm sub process byissuing the command:hmm> system mode installationWhile the RSSI interface is always present, when not set to Installation mode, the SU will notattempt registration once the proper channel is selected.The RSSI application can also be effective in Static or Registration mode in analyzing the RFlandscape with respect to other AB-Access components. Using the RSSI interface, the networkmanager can get readings on RSSI and Packet Error Rates in a convenient display. The onlydifference is the SU to register in these modes. Registration via the RSSI interface only occurswhen the unit is in Installation mode.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 9-3To take advantage of this information, the AB-Access Subscriber Units contain an interface,which allows the installer to properly align the unit. Once an SU is mounted in place androughly aligned using a compass, the installer can attach a computer to the terrestrial interface ofthe SU and interact with the RSSI web page on the SU to perform alignment (reference Figures9-1 and 9-2). Connecting to the SU and enabling the RSSI interface is performed in the mannerdescribed in the following sections.NOTE: The RSSI interface is best viewed using a screen resolution of at least 800x600 with 256colors. Netscape Navigator is recommended as the viewing browser, reference following Figure9-1 RSSI Sample Web Page.9.6 Display The Security Page1. From your Test PC, start up a web browser.2. In the URL field, enter the default IP address of the AB-Access System (supplied by yourservice provider (example, http://192.168.3.2).3. The Security screen appears as shown in Figure 9-1.Figure 9-1 Security Screen9.7 Optimize The Antenna AlignmentAt the security screen, enter the Service Provider Identifier and Security Key. The key issupplied by your service provider as a secure login.Click Next. The Antenna Alignment screen appears as shown in Figure 9-2.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 9-4 Figure 9-2 RSSI Sample Web Page1. Note the desired channel for registration (example, Channel 14, horizontal polarization).2. Attach a computer to the terrestrial interface of the SU.3. Change computer IP address to be in the same subnet as the SU. For example, set thecomputer to address 192.168.254.1 to connect to an SU with the IP address of192.168.254.254.4. Verify connectivity to the SU using the Ping utility (example, ping 192.168.254.254)5. Open a browser interface on the computer (Netscape Navigator is recommended)6. Enter the address of the RSSI web interface:
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 9-5http://<ip address of SU>/installation/step2 (ex http://192.168.254.254/installation/step2)7. This will display two columns of data, one column for RF channels using horizontalpolarization and a second for vertical polarization. Turn the SU in 2 degree arcs until thechannel desired is listed as “Good” and is green in color.8. Click on the “next” button to initiate registration of the SU with the AB-Access network.The RSSI web interface will refresh itself every 5 seconds, allowing the installer to adjust the SUuntil the best alignment possible is achieved. The RSSI application will actually rank connectionvalidity. Table 8-1 details these rankings.Table 9-1 RSSI Link ValidityLink Validity Color CNR2PER1Good Green Greater than or equal to 10dB Less than 1%Marginal Yellow Less than 10dB Less than 1%Bad Pink Non Applicable Greater than 5%1: PER is Frame Downlink Header Error Rate (FDHDR)2: CNR = RSSI –81.6dbmBad links will not allow any registration. Marginal links will allow registration but may besubject to interference by a number of factors. Good links will be the best selection forregistration.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-110 Specifications10.1 Subscriber Unit AntennaTable 10-1 describes the Subscriber Unit (SU) Antenna specifications and Figure 10-1 shows atypical SU antenna pattern.Table 10-1 Subscriber Unit Antenna SpecificationsPeak Gain 18 dBi3 dB beam width 20° azimuth x 20° elevationFront to back ratio 30 dBSidelobe suppression 15 dBInput impedance 50 OhmsPolarization Linear – vertical or horizontal switchableVSWR 2:1 maxFigure 10-1 Typical SU Antenna PatternSECTION 10 Specifications
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-210.2 Access Point AntennaTable 10-2 describes the Access Point antenna specifications and Figure 10-2 shows a typical APantenna pattern. Table 10-2 Access Point Antenna SpecificationsPeak gain 18 dBi typical3 dB beamwidth 60° azimuth x 7° elevation typicalFront to back ratio 25 dB minSidelobe suppression 15 dB minInput impedance 50 ohm typicalPolarization Linear vertical or horizontalswitchableVSWR 2:1 maxFigure 10-2 Typical AP Antenna Pattern-180-168-156-144-132-120-108-96-84-72-60-48-36-24-1201224364860728496108120132144156168180-25.00-20.00-15.00-10.00-5.000.005.0010.0015.0020.00Angle (deg)Gain (dBi)Gain/dBi (Az-Ver)Gain/dBi (Az-Hor)Gain/dBi (El-Ver)Gain/dBi (El-Hor)
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-310.3 AB-Access Extender AntennaTable 10-3 describes the AB-Access Extender antenna specifications and Figure 10-3 shows atypical EX antenna pattern. Table 10-3 AB-Access Extender Antenna SpecificationsPeak gain 23 dBi typical3 dB beamwidth 10° azimuth x 10° elevation typicalFront to back ratio 25 dB MinSidelobe suppression 15 dB MinInput impedance 50 ohm TypicalPolarization Linear vertical or horizontalswitchableVSWR 2:1 max
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-4TBD: Insert AB-Access Extender Antenna Pattern imageFigure 10-3 Typical EX Antenna PatternTBD: Update all section and figure numbers from here on forward10.4 Modem SpecificationsThe QPSK modem design for the transceiver is driven primarily by the 32-symbol correlator andDecision Feedback Equalizer (DFE). The correlator output is used for:• Burst detection• Digital AGC setting• Phase reference• AFC control• Course symbol timing.The DFE is used to remove the Inter-Symbol Interference (ISI) introduced by the filters andimperfect sampling, as well as compensate for pre-cursor and post-cursor channel multipath.Table 10.4 shows the Modem Specifications.Table 10-4 Modem SpecificationsModulation Coherent QPSKSymbol rate 12.5 Msym/sADC 10 bits I and QReceive filter Root raised cosine =0.35AWGN performance 14.4 dB CNR for 10-4 BER (including 3 dBimplementation loss)Equalizer Decision Feedback (DFE); 5 forward taps, 4feedback taps; delay spreads up to 0.32 s;post cursor to cursor ratios up to 0.5Training 32 symbols per burstTransmit filter Raised cosine =0.3510.5 Environmental Specifications10.5.1 Temperature/Humidity OperationThe entire unit is constructed in a weatherproof housing and designed for outdoor use. Theminimum and maximum operating temperatures and the relative humidity for all systemelements are listed in Table 10.5.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-5Table 10-5 Environmental SpecificationsItem OperatingTemperature Range,minOperatingTemperature Range,maxOperating Humidity,maxSubscribe Unit,Access Point andAB-Access Extender-40°C (-40°F) 55°C (131°F) 10010.5.2 GroundingArticle 810 of the U.S. National Electric Department of Energy Handbook 1996 specifies thatradio and television lead-in cables must have adequate surge protection at or near the point ofentry to the building. The code specifies that any shielded cable from an external antenna musthave the shield directly connected to a 10 AWG wire that connects to a building groundelectrode.10.5.3 Electrical SpecificationsThe Subscriber Unit is powered from a typical notebook-style power supply that is included withthe unit. This power supply is plugged into a standard 110/220 VAC main (or a UPS unit) andthe output supply of 48 VDC is plugged into a wall box which feeds the –48 VDC through theCAT5 cable to the installed units, reference Figure 9-3. The power supplies used to convert 110VAC to 48 VDC are 80% efficient at this load.Wire shield togroundingpost and togrounding rod
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-6Figure 10-4 Powering SU through Junction Box10.5.4 Power ConsumptionTable 10-6 shows the power consumption of an SU, EX and AP.Table 10-6 SU, EX and AP Power ConsumptionItem Power Source Power Range Power ConsumptionW (typical)Subscriber Unit,AB-AccessExtender andAccess Point Unit 48 VDC 38 to 72 VDC includingfluctuations 1410.5.5 Distance LimitationsThe SU uses shielded outdoor rated CAT5 cable between the installed unit and the indoorjunction box. For the unit to receive acceptable voltage to operate, this cable is limited to 60meters. Between the junction box and the customer premises PC (or hub, Ethernet Switch,Router, etc.), the system uses standard indoor CAT5 cable, which is rated for a maximumfunctional distance of 100 meters when running the Ethernet 10BaseT interface. For an AP (orSU) connected via ATM25, the distance limitation of the data signaling is 270 meters.10.5.6 Physical SpecificationsTable 10-7 provides the weight and dimensions of an SU.Table 10-7 SU Weight and SizeItem Weight DimensionSubscriber unit 7.8 lb. (3.5 kg) 13W x 13H x 3D in.(32W x 32H x 8D cm)
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-710.6 Cable Specifications10.6.1 Outdoor Cable SpecificationsThe following Table 10-8 describes all the outdoor cable specifications.Table 10-8 Outdoor Cable SpecificationsItem SpecificationProduct type Twisted pairPerformance category CAT 5Frequency 100 MHzNo. of pairs 4Impedance 100 Ohms +/- 15 OhmsCapacitance (nominal) 4.5 nF/100 metersAttenuation EIA/TIA 568 CAT5Near end cross talk EIA/TIA 568 CAT5DC resistance/unbalanced < 10 Ohms/100 meters max.Shielded YesWire/cable type SolidWire size 24 AWGCable outer diameter (nominal) 0.232 inchesJacket thickness (nominal) 0.030 inchesCable jacket material Polyethylene, UV resistantConductor material CopperInsulation material Solid polyolefinShield type BBDN or BBDGDielectric breakdown 2500 Volts DC conductor to conductorOperating temperature range -40° C to +70° CInstallation temperature range 0° C to +60° C
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 10-810.7 RJ-45 Plug SpecificationsTable 10-9 describes all the RJ-45 plug specifications.Table 10-9 RJ-45 Plug SpecificationsItem SpecificationProduct type PlugNo. of positions 8Shielded NoCable style Round solidPerformance category High (Cat 5)Latch style StandardKeyed NoHousing material PolycarbonateHousing material flammability rating UL 94V-2Contact material Phosphor bronzeContact mating area plating Gold (50) over nickelContact termination end plating Gold Flash over nickelConductor outer diameter (mm [in]) .89-.99 [.035-.039]
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-111 Glossary & AcronymsTERM DEFINEDAccess Point An Access Point (AP) is a component of aBase Station (BS) that contains the antennaused to communicate with a Subscriber Unit(SU).Anchor Switch The Anchor Switch (AS) is an ATM accessswitch that is a component of a Base Station(BS).Antenna A device for transmitting and/or receivingradio waves.Asynchronous A data transmission method in which datamay be sent at irregular intervals (withoutreference to clock signals).ATM Asynchronous Transfer Mode is a high-performance, cell-oriented switching andmultiplexing technology, which utilizes fixed-length packets to carry different types oftraffic. It integrates the multiplexing andswitching functions, is well suited for burstytraffic, and allows communications betweendevices that operate at different speeds.ATM Switch The ATM switch provides layer 2 switching ofATM cells through virtual circuits. An ATMswitch is contained in the SU, the AP, and theAS.Available Bit Rate(ABR) Service that provides rate-based flow controland is aimed at data traffic such as filetransfer and e-mail.Azimuth The angle along the horizon usuallyreferenced to north.Bandwidth The data carrying capacity of acommunications channel, measured in Hertzas the difference between the highest andlowest frequencies of the channel.SECTION 11 Glossary
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-2Base Station The Base Station is the part of the AB-AccessSystem that sends signals to and receivessignals from the Subscriber Units (SUs) toenable communication with the WAN.Baud A measure of data transmission speed. Thebaud rate denotes the number of symbols persecond.Bit Error Rate The Bit Error Rate (BER) is the fraction oftransmitted bits that are received in error.Cell A 53-Byte packet of data used in ATMnetworks. Also used to refer to the coveragearea of one Base Station.Constant Bit Rate(CBR) Service that operates on a connection basisand offers consistent delay predictability; usedfor applications such as circuit emulation,voice, and video.Control Server The Control Server (typically one per BS) is acomputer responsible for management of theBS, its APs, and the associated SUs.DS1 A data transmission rate of 1.544 Mbps, alsoreferred to as a T-1.DS3 A data transmission rate of 45 MbpsElement ManagementSystem The Element Management System (EMS),located on a workstation at an appropriatepoint in the network, allows you to configure,control, and monitor all components of theAB-Access System.MIB Management information base allows externalmanagement system access.Multiplexer A multiplexer is device or system capable ofcombining elementary streams into oneaggregate transport stream.Network A network is an interconnection of computersystems, terminals, or data communicationsfacilities.OC3 A data transmission rate of 155 MbpsPacket A packet is a sequence of data, withassociated control information, that isswitched and transmitted as a whole.Packet Switching Packet switching is the data transmissionmethod that divides messages into standard-sized packets for greater efficiency of routingand transport through a network.Parsing Parsing is the process of analyzing a datastream and breaking it down into more easilyprocessed components.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-3Permanent VirtualCircuit Provides end-to-end connectivity fortransmission in a network.Point-to-Point A single communication circuit connecting twolocations.Point-to-Multipoint A communications circuit connecting onelocation to many locations.Radio Frequency Radio frequency (RF) is a portion of theelectromagnetic spectrum in the frequencyrange of 100 kHz to 20 GHz.Subscriber Unit The Subscriber Unit (SU) is the part of theAB-Access System that is installed at thecustomer premises and providescommunication with the Base Station (BS).Synchronous A data transmission method in which datatransfer is at a fixed rate. The transmitter andreceiver are both controlled by clock pulses.TCP/IP Transmission Control Protocol/InternetProtocol, a layered set of protocols that allowssharing of applications among PCs, hosts, orworkstations in a high-speed communicationsenvironment. The suite of protocols isdesigned to allow communication betweennetworks regardless of the technologiesimplemented in each network.TDD Time Division Duplex, the transmissionmethod where a single channel is used toalternately carry data in each direction of alink.Time-DivisionMultiplexing A form of multiplexing used with digitalsignals. A device scans individual channels inrotation, takes bits from each channel,transmits the bits in a string (according to apredetermined sequence), and repeats theprocess.Transmitter A transmitter is an electronic device,consisting of oscillator, modulator, and othercircuits, that produce a radio or televisionelectromagnetic wave signal for radiation intothe atmosphere by an antenna.Unspecified Bit Rate Service that operates on a connection basisand allows for raw cell or best effort transportby the network. In this service, cells aretransported by the network wheneverbandwidth is available and traffic is presentedby the user. Data using UBR service is moreapt to be discarded during peak traffic times in
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-4deference to data using other classes ofservice.UninterruptiblePower Supply An optional BS element used to providepower in the event of an AC power failure.Variable Bit Rate-Real Time (VBR-RT) Service that operates on a connection basisand offers very low delay variance butrequires access to a variable amount ofnetwork bandwidth; used for such applicationsas packet video and voice.Variable Bit Rate-Non-Real Time (VBR-NRT)Service that operates on both a connectionand connectionless basis and allows delayvariance between the delivery of cells; usedfor data applications which have potentiallybursty traffic characteristics, including LANinterconnect, CAD/CAM, and multimedia.Virtual Circuit A logical connection, not a physicalconnection, provides multiple connections thatcan be defined simultaneously across a singlenetwork facility, with each connection havingflexible bandwidth.
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-511.1 Acronyms/AbbreviationsThe following is a list of acronyms and abbreviations associated with the AB-Access System,some of which may appear in this guide.ACRONYM DEFINEDAAL ATM Adaptation LayerADC Analog to Digital ConverterAFC Automatic Frequency ControlAGC Automatic Gain ControlALG Application Layer GatewayAP Access PointARP Address Resolution ProtocolARPAnet Advanced Research Projects Agency NetworkARQ Automatic Repeat RequestAS Anchor SwitchASIC Applications Specific Integrated CircuitATM Asynchronous Transfer ModeATMOS ATM Operating SystemAWGN Additive White Gaussian NoiseBER Bit Error RateBOOTP Bootstrap ProtocolBS Base StationCBR Constant Bit RateCCIR Comite Consultatif International desRadiocommunicationsCHAP Challenge-Handshake Authentication ProtocolCIDR Classless Interdomain RoutingCLIP Classical Internet ProtocolCNR Carrier To Noise RatioCOTS Commercial Off The Shelf
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-6CPE Customer Premise EquipmentCS Control ServerdB DecibeldBm Decibel over 1mWDBS Direct Broadcast SatelliteDC Direct CurrentDES Data Encryption StandardDFE Decision Feedback EqualizerDHCP Dynamic Host Configuration ProtocolDS1,2,3 Digital Signal 1,2,3E1 2.048 Mbps circuit supporting (30) 64 Kbps digitalchannels for voice or data callsEIRP Effective Isotropic Radiated PowerEMS Element Management SystemFCC Federal Communications CommissionFDD Frequency Division DuplexFPMS Fault and Performance Management SystemGbps Gigabits per secondGFC Generic Flow ControlGHz GigahertzGUI Graphical User InterfaceI&Q In Phase and QuadratureIETF Internet Engineering Task ForceIF Intermediate FrequencyIP Internet ProtocolISI Inter-Symbol InterferenceITFS Instructional Television Fixed ServiceKbps kilobits per secondLAN Local Area NetworkLLC Logical Link Control
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-7LOS Line of SightMAC Media Access ControlMbps Megabits per secondMDS Multipoint Distribution ServiceMIB Management Information BaseMID Mobile IDMMDS Multichannel Multipoint Distribution SystemMSE Mean Square ErrorNAT Network Address TranslationNMS Network Management SystemNOC Network Operations CenterOAM Operations, Administration, and MaintenanceOC3 Optical Carrier 3OSI Open Systems InterconnectionPAT Port Address TranslationPCB Printed Circuit BoardPHY Physical LayerPOTS Plain Old Telephone SystemPPP Point-to-Point ProtocolPTMP Point to MultipointPVC Permanent Virtual CircuitQOS Quality of ServiceQPSK Quadrature Phase Shift KeyingRAID Redundant Array of Inexpensive DisksRF Radio FrequencyRFC Request For CommentRISC Reduced Instruction Set ComputerRSSI Receiver Signal Strength IndicationRT-VBR Real Time Variable Bit Rate
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-8RX ReceiverSAR Segmentation And ReassemblySCSI Small Computer System InterfaceSNMP Simple Network Management ProtocolSNR Signal to Noise RatioSO/HO Small Office/Home OfficeSONET Synchronous Optical NetworkSTP Shielded Twisted PairSU Subscriber UnitSUMP Subscriber Unit Management ProtocolSVC Switched Virtual CircuitT1 1.544 Mbps circuit supporting (24) 56/64 Kbpsvoice-grade channelsTCP/IP Transmission Control Protocol/Internet ProtocolTDD Time Division DuplexTDMA Time Division Multiple AccessTelnet Terminal-remote host protocol developed forARPAnetTMS Topology Management SystemTX TransmitUBR Unspecified Bit RateUDP User Datagram ProtocolUNI User-Network InterfaceU-NII Unlicensed National Information InfrastructureUPS Uninterruptible Power SupplyUTP Unshielded Twisted PairVBR-RT Variable Bit Rate-Real TimeVBR-NRT Variable Bit Rate-Non-Real TimeVCC Virtual Circuit ConnectionVPC Virtual Path ConnectionVPI Virtual Path Identifier
Company ProprietaryAdaptive Broadband U-NII Product Installation Manual 07/04/2001 11-9WAN Wide Area NetworkWLL Wireless Local Loop

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