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4-6 Trouble clearing procedures

Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000

For customers in the United States:

Nortel Networks
917 Air Park Center Drive
Nashville, TN
37217
Att: Repair and Return

Tel.: 1-800-251-1758

For customers in the Caribbean and Latin America:

Nortel Networks (CALA)
1500 Concord Terrace
Sunrise, FL
U.S.A.
33323-2815
Att: Repair Coordinator

Tel.: (954)

851-8449

For customers in China:

Nortel Networks China Limited
11/F, Nortel Tower, Sun Dong An Plaza
No.138, Wang Fu Jing Street
Beijing 100006, China

Tel:

86-10-6528 8877

Fax: 86-10-6528 0701

86-10-6528 0702

For customers in Australia:

Nortel Networks Distribution Centre
Unit 2, Parklands Estate
21 South Street
Rydalmere NSW Australia 2116

Tel: 612-9325-5301
Fax: 612-9937-7154

For customers in Singapore:

Nortel Networks Singapore Pte. Ltd.
c/o Emery Worldwide
4, Changi South Lane
Nan Wah Building
Singapore 486127

Tel: (61) 2 8870 5480 (Sydney)
Fax: (61) 2 8870 7154 (Sydney)

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Содержание Internet BWA System 3200

Страница 1: ...ess Internet BWA System 3200 User guide Draft Rel 3 0 October 2000 What s inside System description Ordering Information Technical specifications Trouble clearing procedures User interface description Installation and commissioning procedures ...

Страница 2: ...with a need to know and shall protect it in whole or in part from disclosure and dissemination to third parties with the same degree of care it uses to protect its own confidential information but with no less than reasonable care Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein Nortel Networks the Nortel Networks ...

Страница 3: ...ecifications 3 1 Mechanical and environmental specifications 3 1 Equipment interface specifications 3 2 Frequency plan specifications 3 2 System performance specifications 3 3 Trouble clearing procedures 4 1 Testing the Radio faults 4 1 RF Loopback test 4 1 Loopback test for the local tributary 4 1 Loopback test for the remote tributary 4 1 Clearing the Radio alarms 4 2 Alarm interface pins 4 4 Wa...

Страница 4: ...menu 5 10 Control submenu 5 10 Parameters for the Link menu 5 10 Control submenu 5 10 Installation and commissioning procedures 6 1 Chapter task list 6 1 List of procedures 6 1 Unpacking identifying and matching the system 6 2 6 2 Installing the Internet BWA System 3200 on a pole 6 5 6 3 Connecting the interface cables 6 13 6 4 Setting up the Internet BWA System 3200 6 17 6 5 Aligning the antenna ...

Страница 5: ...est SLAT engineers technicians maintenance engineers User interface conventions The following conventions are used in procedures in this document bold Bold entries identify a command or a userID entered by means of the craft interface terminal CIT This symbol means the return key must be pressed Bold Bold entries with initial capital letters identify buttons fields and menu items as seen on the us...

Страница 6: ...vi About this document Internet BWA System 3200 NTXXXXXX Rel 3 0 Draft October 2000 ...

Страница 7: ...ystem 3200 operates in the 15 18 23 24 26 28 31 and 38 GHz frequency ranges Capacity The capacity upgrade is software programmable from 2xE1 to 4xE1 and from 1xDS1 to 2xDS1 to 4xDS1 The capacity upgrade affects traffic because the upgrade changes the following parameters occupied bandwidth receive baseband filters data rate of operation Table 1 1 lists the bandwidths for the radio frequency RF cha...

Страница 8: ...atures The Internet BWA System 3200 provides scalable channel capacity to precisely match traffic volume scalable channel selection digital synthesizer set in 250 kHz steps selectable AMI or B8ZS line coding for DS1 signals E1 signals use HDB3 coding only selectable framing type Unframe Frame or ESF for DS1 signals hand held wireless terminal to perform configuration maintenance and performance mo...

Страница 9: ...2t eps Outdoor unit The outdoor unit contains a Modem an RF module a power supply and a remote communication link Removal of the outdoor unit is possible without the need to realign the antenna Mounting assembly The Internet BWA System 3200 includes a mounting assembly to hold the radio to a pipe mount The mounting assembly design provides three 30 elevation adjustment increments for a 90 elevatio...

Страница 10: ... half the output transmit frequency down converts the incoming remote site RF input signal to an IF of 1260 MHz Internal RF frequency settings will determine if the RF input signal frequency is above or below the transmitter RF frequency NRZ baseband modulation is imparted on and recovered from the 38 GHz carrier via a proprietary scheme that permits using a single multi channel frequency synthesi...

Страница 11: ...analog detection at 1 26 GHz Narrow band detection is within the DSP This design enables the receiver to cope with large adjacent channel signal levels and provides excellent A D dynamic range to recover the desired signal System interfaces Figure 1 2 shows the interfaces on the outdoor unit ODU Figure 1 3 Outdoor unit interfaces F6358p eps Port for coaxial I O and wireless link I O Interface cabl...

Страница 12: ...A System 3200 includes an optional wireless hand held terminal HHT that operates with batteries The HHT communicates with the Internet BWA System 3200 using an unlicensed 433 92 MHz channel To support this channel both the HHT and the outdoor unit ODU have radio 433 92 MHz transceivers and matching whip antennas You can use the HHT to set and control and to monitor the following features receive s...

Страница 13: ...umber in the Eqpt rule column in Table 2 1 to Table 2 4 Table 2 1 18 GHz equipment Equipment description PEC CPC Eqpt rule ODU iBAR100 18GHz A 1 T1 ODU iBAR100 18GHz A 2 T1 ODU iBAR100 18GHz B 1 T1 ODU iBAR100 18GHz B 2 T1 NTHV50DA NTHV50DB NTHV50DG NTHV50DH A0833177 A0833178 A0833180 A0833181 1 1 Table 2 2 23 GHz equipment Equipment description PEC CPC Eqpt rule ODU iBAR100 23GHz A 1 T1 ODU iBAR1...

Страница 14: ...ance antenna NTHV30BC NTHV30BE NTHV30DC NTHV30DE NTHV30GA NTHV30GB NTHV30GC NTHV30KA NTHV30KC NTHV30MA NTHV30MB NTHV30MC NTHV30UA NTHV30UC A0832988 A0832975 A0832976 A0832977 A0832974 A0832978 A0832981 A0832980 A0832979 A0832982 A0832984 A0832985 A0832986 A0832987 1 1 Table 2 4 Miscellaneous equipment Equipment description PEC CPC Eqpt rule Interface mounting bracket ODU cable end connector 433 MH...

Страница 15: ...Ordering Information 2 3 User guide NTXXXXXX Rel 3 0 Draft October 2000 ...

Страница 16: ...2 4 Ordering Information Internet BWA System 3200 NTXXXXXX Rel 3 0 Draft October 2000 ...

Страница 17: ...A System 3200 Table 3 1 Physical electrical and environmental specifications Dimensions 281 mm W x 281 mm H x 83 mm D 11 in W x 11 in H x 3 25 in D Weight 5 kg 11 lb Input voltage 20 to 60 Vdc Power consumption 25 W Operating temperature 33 to 55 C 27 to 131 F Storage temperature 40 to 70 C 40 to 158 F Relative humidity Up to 100 under all weather conditions ODU IDU cable length 250 m with a nomin...

Страница 18: ...C rules Part 101 as amended on October 1 1997 replaces Part 21 and Part 94 and Industry Canada SRSP 314 5 SRSP 318 5 SRSP 321 8 for North American products The following ETSI frequency bands GHz are offered Tributary Rate 1 544 Mbps per ITU T G 703 Line Code B8ZS or AMI I O Impedance 100 ohms balanced and terminated by a connector Payload programmable 1 x DS 1 2 x DS 1 4 x DS 1 Channel Bandwidth 2...

Страница 19: ...quency Source Digital synthesizer Frequency Stability 10 ppm Modulation 4 level frequency shift keying FSK Residual BER 10 Forward Error Correction FEC Reed Solomon System Gain at 10 6 BER 1 x DS 1 BW 2 5 MHz 109 109 111 109 107 107 107 2 x DS 1 BW 2 5 MHz 106 106 105 105 104 104 103 4 x DS 1 BW 5 MHz 103 103 102 102 101 101 100 RF Power Output dBm 18 18 18 17 16 16 16 Power Control Range dB up to...

Страница 20: ...3 4 Technical specifications Internet BWA System 3200 NTXXXXXX Rel 3 0 Draft October 2000 ...

Страница 21: ...sions are squelched by the transmit diplexer out of band of the RF bandpass filter This loopback test is used for troubleshooting purposes To use this function refer to Chapter 5 User interface description Loopback test for the local tributary Loops the tributary input data from customer back onto tributary output data to customer at local terminal This test checks connection to the customer equip...

Страница 22: ...onnected Connect test set cable Tx low output power Far end radio is reporting that the RSSI from the local radio is too low Insufficient Tx power setting at the local site Increase Tx power setting at the local site Atmospheric problems Wait for the end of atmospheric problems Rx Frame Loss radio The receiver has detected a loss of frame condition on the Radio channel There is a Tx failure at the...

Страница 23: ...ic frequency control AFC loop is out of loop AGC Loop OOL The automatic gain control AGC loop is out of loop TX synthesizer OOL There is a failure of the Tx synthesizer The Tx synthesizer is defective Reset the Tx frequency Replace the ODU RX synthesizer OOL There is a failure of the Rx synthesizer The Rx synthesizer is defective Reset the Rx frequency or replace the ODU Temperature over range or ...

Страница 24: ...ummary Alarm relay NC 3 TX Tributary 1 Tip 19 TX Tributary 4 Tip 4 TX Tributary 1 Ring 20 TX Tributary 4 Ring 5 RX Tributary 1 Tip 21 RX Tributary 4 Tip 6 RX Tributary 1 Ring 22 RX Tributary 4 Ring 7 RS 485 23 Alarm relay Common CC 8 TX Tributary 2 Tip 24 DC Power Conn 1 9 TX Tributary 2 Ring 25 RS422 RX 10 RX Tributary 2 Tip 26 RS422 RX 11 RX Tributary 2 Ring 27 DC Power Conn 2 12 Programmable Al...

Страница 25: ...on Warranties Nortel Networks Public Networks Division warrants products to be free from defects in material and workmanship for a period of twelve 12 months from the date of shipment on a furnish only basis twelve 12 months from the date of acceptance or eighteen 18 months from the date of shipment for material supplied on an engineer furnish and install E F and I basis whichever is the shorter p...

Страница 26: ...ator Tel 954 851 8449 For customers in China Nortel Networks China Limited 11 F Nortel Tower Sun Dong An Plaza No 138 Wang Fu Jing Street Beijing 100006 China Tel 86 10 6528 8877 Fax 86 10 6528 0701 86 10 6528 0702 For customers in Australia Nortel Networks Distribution Centre Unit 2 Parklands Estate 21 South Street Rydalmere NSW Australia 2116 Tel 612 9325 5301 Fax 612 9937 7154 For customers in ...

Страница 27: ... your company name your telephone number your exact unit code and name your shipping address The repair coordinator assigns a repair order number that must be marked on the unit being returned Ship the unit prepaid to the same address as the standard repair service At the same time Nortel Networks will ship an identical replacement unit prepaid to within 48 hours Technical support and information ...

Страница 28: ...r problems that affect service For 24 hour emergency recovery or software upgrade support for restoration of service for equipment that has been carrying traffic and is out of service issues that prevent traffic protection switching issues that prevent completion of software upgrades restoration of service for equipment that has been carrying traffic and is experiencing signal degradation United S...

Страница 29: ...enus and parameters on two lines of 16 characters each The HHT gives access to a series of menus with provisioning monitoring control maintenance and query commands for the Internet BWA System 3200 The HHT remains active until the user logs off or the HHT loses communication with the Internet BWA System 3200 When viewing or setting parameters the HHT powers down 60 seconds after the last entry Und...

Страница 30: ...annel opens when the HHT issues a command The HHT can communicate to the ODU of the Internet BWA System 3200 with the use of either a wireless channel 418 MHz or 433 92 MHz channel with the use the of whip antennas on the ODU and on the HHT a coaxial cable RG 58U cable that connects between the ODU and the HHT Refer to Figure 1 3 on page 1 5 for the location of the wireless link or coaxial I O por...

Страница 31: ...ODU Address Serial number Tx Freq Rx Freq Tx Power FAW Capacity Cbl Lngth Line Coding Tribut Enab Tx Freq Rx Freq Tx Power FAW Capacity Cbl Lngth Line Coding Tribut Stat Mute Tx Freq Rng Rx Freq Rng RSSI Temp Blk Error Cnt Sum Alarms PEC Prod rel ver Ser No ODU SW DSP SW Mute Local loopback RF loopback Rem loopback Line Coding Tribut Enab Freq Tx Power FAW Capacity Near Radio Enter Enter Enter hol...

Страница 32: ...io terminal address the Near Radio menu is the default menu item Table 5 1lists the HHT keypad keys with the keypad key functions Table 5 1 HHT keypad keys Key Press this key to scroll through all the menu or submenu items scroll through all the parameters within a submenu access a submenu within a menu item see Figure 5 1 access the parameters within a submenu enter new values for the parameters ...

Страница 33: ...n dBm Values 18 to XX dBm 15 18 23 GHz Recommended 20 dBm 17 to XX dBm 24 26 GHz Recommended 20 dBm 16 to XX dBm 28 GHz Recommended 20 dBm 16 to XX dBm 31 38 GHz Recommended 20 dBm FAW To enter a value to select one of eight possible frame alignment words FAW in the radio frame This is also used as the Link ID Both near end and far end radios must have the same FAW The Internet BWA System 3200 onl...

Страница 34: ...o See also the Capacity parameter in this submenu Values 0 disable 1 enable Status submenu This section lists the parameters within the Status submenu of the Near Radio menu The Status submenu allows you to only view to the parameters Tx Freq To view the transmit RF frequency in MHz Rx Freq To view the receive RF frequency in MHz Tx Pwr To view the transmit power level in dB Values 40 dB 15 18 23 ...

Страница 35: ...s two or four screens one for each tributary that refer to the number of tributaries that the radio can receive Values 0 disable 1 enable Mute To view the status of the transmitter output Values 0 the Tx output is enabled 1 the Tx output is muted disabled Tx Freq Rng To view the transmit frequency range Values 17 7 19 7 18 GHz 21 2 23 6 23 GHz Rx Freq Rng To view the receive frequency range Values...

Страница 36: ...t power Rx frame loss Low RSL AFC loop OOL AGC loop OOL Tx synthesizer OOL Rx synthesizer OOL FAW error alarm Data link alarm Tributary 1 Tx LOS Tributary 2 Tx LOS Tributary 3 Tx LOS Tributary 4 Tx LOS Tributary 1 Rx AIS Tributary 2 Rx AIS Tributary 3 Rx AIS Tributary 4 Rx AIS Inventory submenu This section lists the parameters within the Inventory submenu of the Near Radio menu PEC Displays the O...

Страница 37: ...hecks connection to the customer equipment This parameter has two or four screens that refer to the capacity setting for the radio Values 0 disabled 1 enabled RF loopbk When you enable the RF loopback the system changes the Rx frequency to match the Tx frequency The system also changes the FAW to a different value in order to disable reception from the far end radio When you disable the RF loopbac...

Страница 38: ...sable 1 enable Parameters for the Link menu This section describes the parameters within the control submenu of the Link menu item Control submenu This section lists the parameters within the Control submenu of the Link menu The Control submenu allows you to change to the parameters Freq To enter two values to set the frequencies for the near end and far end transmitters in MHz With inputs to this...

Страница 39: ... frame The FAW is also used as the Link ID Both near end and far end radios must have the same FAW With a change to this parameter the local radio communicates with the far end radio to arrange the FAW change If the radios lose communication for more than 10 seconds after a parameter change the parameter reverts to its previous setting Values 0 to 7 Capacity To set the number of tributaries multip...

Страница 40: ...5 12 User interface description Internet BWA System 3200 NTXXXXXX Rel 3 0 Draft October 2000 ...

Страница 41: ...hapter Table 6 1 Procedure Details Unpacking identifying and matching the system Procedure 6 1 on page 6 2 Installing the Internet BWA System 3200 on a pole Procedure 6 2 on page 6 5 Connecting the interface cables Procedure 6 3 on page 6 13 Setting up the Internet BWA System 3200 Procedure 6 4 on page 6 17 Aligning the antenna of the Internet BWA System 3200 Procedure 6 5 on page 6 20 Commissioni...

Страница 42: ...t return to the factory if you require a change in bandpass filters Action Step Action Unpack and inspect the Internet BWA System 3200 components 1 Remove all parts and accessories from the container and packing material 2 Keep the packaging materials for pssible returns 3 Check the equipment contents with the packing list and report any discrepancies immediately 4 Inspect the equipment for damage...

Страница 43: ...odel Number CA381E1SP or HP 1 Whip antenna 433 MHz or 418 MHz RF unit Reverse SMA Female Connector 1 Cable end connector for the RF unit CONXALL 23280 31SG 350K TLS 31 pin 1 Interface mounting bracket Includes hardware Optional items 1 RS 485 to RS 232 interface kit Interface between the radio RS 485 communications channel and the user s laptop or PC RS 232 I O port 1 Wireless hand held unit Inclu...

Страница 44: ...A 1 A 2 B 1 and B 2 equips a specific bandpass filter A radio link includes two terminals One terminal has its transmitter frequency 1260 MHz above its duplex receiver The other radio terminal has its transmitter at 1260 MHz below its duplex receiver Refer to Table 6 4 end Table 6 3 Matching options A Terminal B Terminal System A 1 B 1 A 1 B 1 A 2 B 2 A 2 B 2 B 1 A 1 B 1 A 1 B 2 A 2 B 2 A 2 Table ...

Страница 45: ...rnet BWA System 3200 assembly kit contains the outdoor unit ODU the main antenna and the interface mounting bracket The ODU contains a whip antenna and wave guide flange Requirements The requirements include the lists of tools and materials Tools Required tools 11mm 7 16 open wrench 13mm 1 2 open wrench phillips screwdriver medium continued DANGER Risk of personal injury Incorrect or unsafe instal...

Страница 46: ...ers One azimuth adjustment rod with hardware Two pole mount clamps that attach with Four 3 8 16 x 6 0 bolts galvanized Four 3 8 16 hex nuts galvanized Four 3 8 flat washers galvanized Four 3 8 split lock washers galvanized One antenna mounting plate and hardware One elevation adjustment rod with a brass cylinder One antenna with a mounting flange One outdoor unit ODU Figure 6 1 Mounting equipment ...

Страница 47: ...OP0095p eps Action Step Action Determine what side of the pole to install the antenna on 1 The antenna mounts to receive the signals from the right side of the pole see Figure 6 2 2 Place the antenna on a flat surface continued If Then you must install the antenna to receive the signals from the left side of the pole go to step 2 otherwise go to step 6 Antenna mounting bolts Antenna mounting bolts...

Страница 48: ...igure 6 3 Antenna mounting flange MOP0098p eps 4 Carefully rotate the flange 180 so that the drain hole remains on the bottom 5 Insert the four 1 4 20 screws that attach the antenna mounting flange to the antenna Attach the mounting assembly to the pole 6 Use a carpenter level to level the pole to ensure that the antenna remains flat along the horizontal plane continued CAUTION When rotating the f...

Страница 49: ... the the 3 8 x16 bronze nuts refer to Figure 6 2 on page 6 7 9 Position the antenna mounting plate on the opposite side of the azimuth adjustment plate as shown in Figure 6 4 10 The azimuth adjustment rod attaches to the antenna mounting plate at the factory remove the 3 8 hex nut the flat and the split lock washers from the azimuth adjustment rod insert the azimuth adjustment rod into the slot of...

Страница 50: ...Figure 6 4 on page 6 9 and Figure 6 2 on page 6 7 13 Attach the galvanized flat washer galvanized split lock washer and 3 8 16 galvanized hex nut to the end of the azimuth adjustment rod Install the antenna on the mounting assembly 14 Place the brass cylinder in one of the elevation adjustment holes for the best elevation angle on the antenna mounting flange see Figure 6 5 Figure 6 5 Antenna insta...

Страница 51: ...aces to hold the antenna to the mounting assembly see Figure 6 6 Do not tighten the bolts completely to perfrom the alignment procedures Figure 6 6 Antenna installation 2 of 2 MOP0095p eps Mount the ODU 16 Insert the ODU screws into the ODU mounting slots and twist the ODU completely counterclockwise see Figure 6 5 on page 6 10 continued Antenna mounting bolts Antenna mounting bolts Azimuth adjust...

Страница 52: ...re 6 2 continued Installing the Internet BWA System 3200 on a pole Step Action 17 Make sure that you mount the ODU with the correct polarization at the top of the ODU see Figure 6 7 Figure 6 7 shows a vertical polarization Figure 6 7 ODU installation MOP0096p eps end Azimuth adjustment screws Polarization indicators ...

Страница 53: ...receive data lines tributaries The cable has a drain wire and color coded solid conductors of 24 AWG The bundled pairs are wrapped in a foil shield with internal drain wire and covered with a wire braid and insulating jacket The outer braid and drain wire terminate at pin 1 Requirements Before you begin this procedure Route the customer cables to an appropriate customer interface point for example...

Страница 54: ...e cable to the tower members or cable runways with the use of hanger kits or tie wraps at one meter intervals When routing the interface cable avoid blocking the wireless antenna pattern Tools 11mm 7 16 open wrench 13mm 1 2 open wrench phillips screwdriver medium Cable cutter Knife skinning Pliers long nose Cable ties P0567238 Screwdriver slotted 1 8 inch Anti static kit Wire cutter Crimper for co...

Страница 55: ...for easy identification at the DS1 E1 equipment end continued Pin Signal Description Pin Signal Description 1 Case Gnd 17 RX Tributary 3 Ring 2 Reserved 18 Summary Alarm relay NC 3 TX Tributary 1 Tip 19 TX Tributary 4 Tip 4 TX Tributary 1 Ring 20 TX Tributary 4 Ring 5 RX Tributary 1 Tip 21 RX Tributary 4 Tip 6 RX Tributary 1 Ring 22 RX Tributary 4 Ring 7 RS 485 23 Alarm relay Common CC 8 TX Tribut...

Страница 56: ... port 8 Attach the 433 92 MHz antenna to the ODU port Ground and weatherproof the connectors 9 Attach a 6 AWG cable between the grounding post on the rear of the Internet BWA System 3200 to the tower or structure grounding system 10 Attach a cable grounding kit to the radio unit end of the interface cable 11 Attach the cable grounding kit to the tower or site ground according to the instructions o...

Страница 57: ...coaxial cable or HHT to ODU whip antennas HHT Action Step Action 1 Apply DC power to the radio Initialize the HHT 2 Stand within 75 meters of the Internet BWA System 3200 3 Press and hold the ENTER key of the HHT until the display lights up The HHT default display appears and reads Enter ODU Addr Enter the near end terminal address 4 Use the keypad to enter the Internet BWA System 3200 address the...

Страница 58: ...ennas again e Repeat to step 3 to step 5 f Replace the whip antennas with the RG 58 coaxial cable connect the coaxial cable between ODU and the HHT repeat step 3 to step 5 g If the communications channel cannot be established contact Customer Support see Warranty and field support on page 4 5 Set the transmit mute function to ON 8 From the Near Radio menu press the ENTER key The HHT displays the C...

Страница 59: ...ification when multiple Radio links are located at the same site Use the following steps to set the near end and far end terminals to the same Link ID number 15 Go to the Near End Control menu The following message appears on the display Set TX 16 Press the ARROW key until the Set Link ID FAW command appears on the display 17 Press the ENTER key The current setting appears on the display 18 To cha...

Страница 60: ... to align the antenna of the Internet BWA System 3200 with the next far end antenna Perform this alignment procedure for one terminal at a time Requirements Required tools and equipment Equipment Digital multimeter optional to monitor the AGC voltage or HHT to monitor the receive signal strength indication RSSI Tools 11mm 9 16 open wrench 13mm 1 2 open wrench carpenter level compass continued ...

Страница 61: ...ollowing message appears on the display Get TX 4 Press the ARROW key until the RSSI command appears on the display 5 Press the ENTER key The current setting appears on the display The HHT remains ON as you monitor RSSI and BER status 6 Loosen the azimuth adjustment screws see Figure 6 8 Figure 6 8 Location of the azimuth adjustment screws MOP0096p eps 7 Use a compass and move the antenna horizonta...

Страница 62: ...es 11 After identifying both the main and side lobes position the antenna assembly to the main lobe mark 12 Tighten the azimuth adjustment screw by hand Perform the vertical antenna alignment 13 Loosen the elevation adjustment screws see Figure 6 9 and slowly move the antenna through the complete vertical adjustment range Figure 6 9 Location of elevation adjustment screws MOP0097p eps 14 While you...

Страница 63: ... and side lobes 16 After identifying both the main and side lobes position the antenna assembly to the main lobe mark 17 Tighten the elevation adjustment screws by hand Perform a fine antenna alignment 18 Use a 15mm 1 2 open wrench to slightly move the azimuth adjustment screws for a maximum RSSI reading 19 Use a 15mm 1 2 open wrench to slightly move the elevation adjustment screws for a maximum R...

Страница 64: ...ents Before you start this procedure Perform all of the procedures in this chapter Have personnel at both the near end and far end terminals Equipment HHT Tools 11mm 7 16 open wrench 13mm 1 2 open wrench carpenter s level Action Step Action Commission the radio Verify and record the Internet BWA System 3200 configuration List the Internet BWA System 3200 configuration settings and parameters in Ta...

Страница 65: ... Station Hop Length Miles km Date Prepared by Equipment Parameters Equipment Type Station ID Terminal address Equipment Rack Number System Capacity Mbit s Transmitter Frequency MHz Receiver Frequency MHz Transmitter RF Output Level dBm Threshold Level of the Receiver dBm Calculated Fade Margin dB AGC Voltage V BER Performance Antenna Polarization Vertical V Horizontal H ...

Страница 66: ...6 26 Installation and commissioning procedures Internet BWA System 3200 NTXXXXXX Rel 3 0 Draft October 2000 ...

Страница 67: ......

Страница 68: ...know and shall protect it in whole or in part from disclosure and dissemination to third parties with the same degree of care it uses to protect its own confidential information but with no less than reasonable care Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein Nortel Networks the Nortel Networks logo the Globem...

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