Nortel Internet BWA System 3200 User Manual
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Nortel Internet BWA System 3200 User Manual

Nortel Internet BWA System 3200 User Manual

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NTXXXXXX
Internet Broadband Wireless Access
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

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Summary of Contents for Nortel Internet BWA System 3200

  • Page 1 NTXXXXXX Internet Broadband Wireless Access 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...
  • Page 2 The information contained herein is the property of Nortel Networks and is strictly confidential. Except as expressly authorized in writing by Nortel Networks, the holder shall keep all information contained herein confidential, shall disclose it only to its employees 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.

  • Page 3: Table Of Contents

    Contents About this document System description Overview 1-1 Frequency band 1-1 Capacity 1-1 Frequency plan 1-2 System features 1-2 Equipment layout and main assemblies 1-3 Terminal signal flow 1-4 System interfaces 1-5 Interface cable pins 1-6 Hand-held terminal interface 1-6 Ordering Information Detailed equipment codes 2-1 Technical specifications...
  • Page 4 Chapter task list 6-1 List of procedures Unpacking, identifying and matching the system 6-2 Installing the Internet BWA System 3200 on a pole 6-5 Connecting the interface cables 6-13 Setting up the Internet BWA System 3200 6-17 Aligning the antenna of the Internet BWA System 3200 6-20...

  • Page 5: About This Document

    About this document This section provides an overview of the Internet BWA System 3200 user guide. Audience This document is intended for: • installers • system line-up and test (SLAT) engineers/technicians • maintenance engineers User interface conventions The following conventions are used in procedures in this document.
  • Page 6 About this document Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 7: System Description

    E1 (2.048 Mbits/s) or up to four DS1 (1.544 Mbits/s) signals. Frequency band The Internet BWA System 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.

  • Page 8: Frequency Plan

    21.2- 23.6 24.25- 26.5 27.5- 29.5 31.0- 31.3 37.0- 40.0 range (MHz) System features The Internet BWA System 3200 provides: • scalable channel capacity to precisely match traffic volume • scalable channel selection (digital synthesizer set in 250 kHz steps) •...

  • Page 9: Equipment Layout And Main Assemblies

    The Internet BWA System 3200 includes an outdoor unit (ODU), an antenna and a mounting assembly (see Figure 1-1). A terminal site requires one Internet BWA System 3200 to handle the radio signals for both the east and west directions. Figure 1-1 Internet BWA System 3200—physical layout MOP0082t.eps...

  • Page 10: Terminal Signal Flow

    1-4 System description Terminal signal flow This description covers the signal flow for a 38 Ghz frequency plan. Figure 1-2 shows a block diagram of the Internet BWA System 3200 components. Figure 1-2 Internet BWA System 3200 components—block diagram F6357p.eps...

  • Page 11: System Interfaces

    System description 1-5 Receive signal path An analog AGC voltage is applied in the IF circuitry under microprocessor control to reduce the dynamic range of the A/D input signal. Both broadband and narrow-band detection is employed. Broadband detection is analog detection at 1.26 GHz.

  • Page 12: Interface Cable Pins

    (Form-C) relay outputs that report on link performance and critical alarms Hand-held terminal interface The Internet BWA 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.
  • Page 13 Ordering Information This chapter describes the ordering information for the Internet BWA System 3200. Detailed equipment codes Table 2-1 Table 2-4 provides information on the different types of equipment and kits. Table 2-5 provides information on rules. These rules correspond to the number in the “Eqpt rule” column in Table 2-1 Table 2-4.

  • Page 14: Ordering Information

    Alignment Accessory kit: Test cable, 3200-2312 (Female reverse SMA to male BNC) Note: Nortel can supply additional cabling as required to support site or job applications. For more information about cabling availability, contact your Nortel Networks sales representative. Table 2-5...
  • Page 15 Ordering Information 2-3 User guide NTXXXXXX Rel 3.0 Draft October 2000...
  • Page 16 2-4 Ordering Information Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...
  • Page 17 Technical specifications Tables contain the technical specifications for the Internet BWA System 3200. Mechanical and environmental specifications Table 3-1 provides the mechanical specifications for the Internet BWA System 3200. Table 3-1 Physical, electrical and environmental specifications Dimensions 281 mm W x 281 mm H x 83 mm D 11 in.

  • Page 18: Equipment Interface Specifications

    (GHz) Part 101 (amended SRSP-314.5, EN 301 128 on October 1, 1997) SRSP-318.5, SRSP-321.8 EN 301 128 EN 300 198 24/26 ETS 300 431 ETS 300 431 EN 300 197 Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 19: System Performance Specifications

    Technical specifications 3-3 System performance specifications Table 3-3 contains the system performance specifications for the Internet BWA System 3200. Table 3-3 Frequency plans and reliability Frequency 15GHz 18GHz 23 GHz 24/26 GHz 28/29 GHz 31 GHz 38 GHz Band Frequency 14.4-15.35 17.7-19.7 21.2-23.6...
  • Page 20 3-4 Technical specifications Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 21: Trouble Clearing Procedures

    This chapter contains information for fault locating, testing, and clearing alarms for the Internet BWA System 3200. Testing the Radio faults The Internet BWA System 3200 has three types of loopback tests for fault isolation. RF Loopback test This loopback retunes the receiver to the transmit frequency. RF leakage through the diplexer assembly prompts the local receiver to synchronize with the local transmitter.

  • Page 22: Clearing The Radio Alarms

    4-2 Trouble clearing procedures Clearing the Radio alarms Table 4-1 lists the Internet BWA System 3200 alarms, an explanation of the alarm, the probable cause, and the action required to clear it. Table 4-1 iBAR-100 system alarms Alarm Explanation Probable cause...
  • Page 23 Trouble clearing procedures 4-3 Table 4-1 (continued) iBAR-100 system alarms Alarm Explanation Probable cause Action required Equipment failure. If the RSSI is identical to the expected value, and the alarm remains active for a long period of time, then a component may be defective.

  • Page 24: Alarm Interface Pins

    DC Power Conn#2 Programmable Alarm Relay RS422 TX- (NC) RS 485- RS422 TX+ TX Tributary 3 Tip DC Power Conn#2 TX Tributary 3 Ring DC Power Conn#1 RX Tributary 3 Tip Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 25: Warranty And Field Support

    Warranty and field support This section covers warranties and technical support information. 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 •...
  • Page 26 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:...

  • Page 27: 48-Hour Emergency Service

    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.
  • Page 28 1-800-361-2465 International: 770-708-4981 Fax-on-demand service Customers can obtain technical information about selected Nortel Networks TransportNode products through the 24 hour fax-on-demand telephone service. In the United States and Canada, customers can reach this service at the following toll-free number: 1-800-451-1685.

  • Page 29: User Interface Description

    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.
  • Page 30 (RG-58U cable) that connects between the ODU and the Refer to Figure 1-3 on page 1-5 for the location of the wireless link or coaxial I/O port. Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 31: Hierarchy Of The Hht Menus

    User interface description 5-3 Hierarchy of the HHT menus The HHT user interface is menu driven. The menus allow you to set and view the parameters for the local and the far-end radios. Figure 5-1 shows the hierarchy of the HHT menus. Figure 5-1 The HHT menus hierarchy R0015p.eps...

  • Page 32: Functions Of The Hht Keypad Keys

    (see Figure 5-1) access the parameters within a submenu enter new values for the parameters return to the previous menu or submenu items delete a keypad entry Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 33: Parameters For The Near Radio Menu

    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 only processes a frame that contains the correct FAW.

  • Page 34: Status Submenu

    To view the number of tributaries that the radio can multiplex into the main channel. Values: 2: include tributaries 1 and 2. 4: include all tributaries (tributaries 1 to 4) Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...
  • Page 35 User interface description 5-7 Cbl Lngth To view the length of the cable in meters. This parameter applies for DS1 systems only. Values: 0 to 40, 41 to 80, 81 to 121, 122 to 162, 163 to 200 Line Coding To view the DS1 line coding parameter (AMI or B8ZS) for all tributaries in the system.

  • Page 36: Inventory Submenu

    ODU SW Displays the version number of the ODU controller software . The number has an implied decimal point before the last two digits (for example: 110 = version 1.10) Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 37: Test Submenu

    User interface description 5-9 DSP SW Displays the serial number of the digital signal processing (DSP) software. This is the version number in the revision register of the field programmable gate array (FPGA) . Values: 0 to 255 Test submenu This section lists the parameters within the “Test”...

  • Page 38: Parameters For The Far Radio Menu

    Value 2 (the far-end Tx frequency). A third screen (the “Go” screen) launches the global frequency changes. Value 1: Chapter “Technical specifications” for channel centers Value 2: Chapter “Technical specifications” for channel centers Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...
  • Page 39 User interface description 5-11 Tx Power To set the transmit power level in dBm. The local radio communicates with the far-end radio to arrange the change in power level. If the radios lose communication for more than 10 seconds after a parameter change, the parameter reverts to its previous setting.
  • Page 40 5-12 User interface description Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 41: Installation And Commissioning Procedures

    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...

  • Page 42: Unpacking, Identifying And Matching The System

    6-2 Installation and commissioning procedures Procedure 6-1 Unpacking, identifying and matching the system Use this procedure to unpack and handle the Internet BWA System 3200. Use this procedure to also identify and match the Internet BWA System 3200 system (radio-link).
  • Page 43 Unpacking, identifying and matching the system Step Action Verify that the equipment includes the components in Table 6-2. Table 6-2 Internet BWA System 3200 components Item Description 38 GHz RF unit Model Number CA381E1SP or (HP) Whip antenna (433 MHz or 418...
  • Page 44 1260 MHz below its duplex receiver. Refer to Table 6-4. Table 6-4 Options for International (T/R = 1260 MHz) Group Transmit (MHz) Receive (Mhz) 37050-37650 38310-38910 37600-38200 38860-39460 38310-38910 37050-37650 38860-39460 37600-38200 —end— Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...

  • Page 45: Installing The Internet Bwa System 3200 On A Pole

    Procedure 6-2 Installing the Internet BWA System 3200 on a pole Use this procedure to install the Internet BWA System 3200 on a pole. The Internet BWA System 3200 assembly kit contains the outdoor unit (ODU), the main antenna, and the interface mounting bracket. The ODU contains a...
  • Page 46 6-6 Installation and commissioning procedures Procedure 6-2 (continued) Installing the Internet BWA System 3200 on a pole Equipment Required equipment (refer to Figure 6-1 Figure 6-2): • One azimuth adjustment plate (part 101488-1) that attaches with: — One U-bolt, 4.5 pipe, 3/8-16 —...
  • Page 47 Installation and commissioning procedures 6-7 Procedure 6-2 (continued) Installing the Internet BWA System 3200 on a pole Figure 6-2 Mounting equipment for the Internet BWA System 3200 (2 of 2) MOP0095p.eps Antenna Antenna mounting mounting bolts bolts Azimuth adjustment plate...
  • Page 48 6-8 Installation and commissioning procedures Procedure 6-2 (continued) Installing the Internet BWA System 3200 on a pole Step Action Remove the four 1/4-20 screws that attach the antenna mounting flange to the antenna (see Figure 6-3) Figure 6-3 Antenna mounting flange MOP0098p.eps...
  • Page 49 Installation and commissioning procedures 6-9 Procedure 6-2 (continued) Installing the Internet BWA System 3200 on a pole Step Action Position the azimuth adjustment plate (P/N 101488-1) to the pole in the position that refers to the direction of the antenna as shown in Figure 6-4.
  • Page 50 6-10 Installation and commissioning procedures Procedure 6-2 (continued) Installing the Internet BWA System 3200 on a pole Step Action Use the pole clamps and hardware to attach the antenna mounting plate to the pole as shown in Figure 6-4 on page 6-9 Figure 6-2 on page 6-7.
  • Page 51 Installation and commissioning procedures 6-11 Procedure 6-2 (continued) Installing the Internet BWA System 3200 on a pole Step Action Use the antenna mounting bolts in four places to hold the antenna to the mounting assembly (see Figure 6-6). Do not tighten the bolts completely to...
  • Page 52 6-12 Installation and commissioning procedures Procedure 6-2 (continued) Installing the Internet BWA System 3200 on a pole Step Action 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.

  • Page 53: Connecting The Interface Cables

    Risk of personal injury Incorrect or unsafe installation can result in personal injury The interface between all user equipment and the Internet BWA System 3200 is a 100-Ohm (DS1) or 120-Ohm (E1) twisted-pair cable assembly. The twisted-pair cable assembly provides conductors for: •...
  • Page 54 (1) optional RG-58U test cable with a reverse SMA female connector fitted at one end and a BNC male connector at the other end. • one (1) twisted pair interface cable —continued— Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...
  • Page 55 Installation and commissioning procedures 6-15 Procedure 6-3 (continued) Connecting the interface cables Action Step Action Connect to the customer equipment Connect the twisted-pair wires of the interface cable to the customer equipment as shown in Table 6-5 (use a twisted-pair for each Tx and Rx connection.
  • Page 56 Ground and weatherproof the connectors CAUTION Risk of equipment damage Failure to properly ground the Internet BWA System 3200 and mounting structure causes poor performance and a higher risk of damage from lightning. 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.

  • Page 57: Setting Up The Internet Bwa System 3200

    Procedure 6-4 Setting up the Internet BWA System 3200 Use this procedure to set up and align the Internet BWA System 3200. On start-up, the Internet BWA System 3200 loads its operating software from its flash memory. During initialization, the radio remains mute until it completes its self-diagnostic tests.
  • Page 58 6-18 Installation and commissioning procedures Procedure 6-4 (continued) Setting up the Internet BWA System 3200 Step Action Trouble clearing the communication between the HHT and the ODU If you cannot establish communication between the HHT and the ODU. a. Confirm the address and enter it again.
  • Page 59 Installation and commissioning procedures 6-19 Procedure 6-4 (continued) Setting up the Internet BWA System 3200 Step Action To change the Set Pwr setting, a. Use the keypad to enter the required transmit RF power output (Range +2 to +17 dBm). For example, to insert 2dBm, enter: Set Pwr: 2dBm b.

  • Page 60: Aligning The Antenna Of The Internet Bwa System 3200

    6-20 Installation and commissioning procedures Procedure 6-5 Aligning the antenna of the Internet BWA System 3200 Use this procedure 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.
  • Page 61 Installation and commissioning procedures 6-21 Procedure 6-5 (continued) Aligning the antenna of the Internet BWA System 3200 Action Step Action Perform the horizontal antenna alignment Establish communication with personnel on the far-end of the link. From the HHT, go to the Near End | Status menu.
  • Page 62 6-22 Installation and commissioning procedures Procedure 6-5 (continued) Aligning the antenna of the Internet BWA System 3200 Step Action Identify the main and side lobes (the antenna side lobes are normally 12 to 20 dB below the main lobes). If the antenna peaks at 20 dB below the expected level, you can be on a side lobe or you have cross polarized the antennas.
  • Page 63 Installation and commissioning procedures 6-23 Procedure 6-5 (continued) Aligning the antenna of the Internet BWA System 3200 Step Action Place marks on the threads of the antenna mounting plate to identify the main and side lobes. After identifying both the main and side lobes, position the antenna assembly to the main lobe mark.

  • Page 64: Commissioning The Internet Bwa System 3200

    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 Table 6-6. Record the configuration as a permanent site record. Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...
  • Page 65 Installation and commissioning procedures 6-25 Table 6-6 Internet BWA System 3200 configuration form Customer Equipment 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 Receiver Frequency...
  • Page 66 6-26 Installation and commissioning procedures Internet BWA System 3200 NTXXXXXX Rel 3.0 Draft October 2000...
  • Page 68 The information contained herein is the property of Nortel Networks and is strictly confidential. Except as expressly authorized in writing by Nortel Networks, the holder shall keep all information contained herein confidential, shall disclose it only to its employees with a need to know, and shall protect it, in whole...

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