Cambium Networks PTP 650 Installation Manual
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Cambium Networks PTP 650 Installation Manual

Cambium Networks PTP 650 Installation Manual

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Cambium
PTP 650

Installation Guide

UNDER DEVELOPMENT

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Summary of Contents for Cambium Networks PTP 650

  • Page 1: Installation Guide

    Cambium PTP 650 Installation Guide UNDER DEVELOPMENT...
  • Page 2 Cambium Networks does not assume any liability arising out of the application or use of any product, software, or circuit described herein;...

  • Page 3: About This Guide

    About this guide This guide is supplied with PTP 650 ODUs. It describes how to install the site equipment for PTP 650 Series links. Users of this guide require expertise in outdoor radio equipment installation. Related documents For full PTP 650 installation planning instructions, refer to the PTP 650 Series User Guide.

  • Page 4: Power Lines

    Always use one of the Cambium PTP 650 Series power supply units (PSU) to power the ODU. Failure to use a Cambium supplied PSU could result in equipment damage and will invalidate the safety certification and may cause a safety hazard.

  • Page 5: Powering Down Before Servicing

    Before connecting or disconnecting the drop cable from the PSU or ODU, always power down the PSU. Grounding and lightning protection requirements Ensure that the installation meets the requirements defined in the PTP 650 Series User Guide. UNDER DEVELOPMENT Page 3...

  • Page 6: Grounding Cable Installation Methods

    ODUs and external antennas are not designed to survive direct lightning strike. For this reason they must be installed in Zone B as defined in PTP 650 Series User Guide. Mounting in Zone A may put equipment, structures and life at risk.

  • Page 7: Psus And Line Cords

    Components ODUs For ODU part numbers, refer to the PTP 650 Series User Guide. PSUs and line cords The ODU kits (but not single ODUs) are supplied with one PSU and one US or EU line cord as appropriate. Cambium Networks supply additional PSUs and line cords as follows:...

  • Page 8: Copper Cat5E Ethernet Cable And Lpus

    PTP 650 Optical 1000BaseSX Ethernet SFP Module (*1) C000065L009 PTP 650 Twisted Pair 1000BaseT Ethernet SFP Module C000065L010 (*1) Order optical cable from a specialist, quoting the optical cable specification in the PTP 650 Series User Guide. UNDER DEVELOPMENT Page 6...

  • Page 9: Typical Deployment

    Typical deployment A PTP 650 site typically consists of a high supporting structure such as a mast, tower or building for the outdoor equipment (ODU and optional external antenna); and an equipment building or moisture-proof enclosure for the indoor equipment (PSU).
  • Page 10 In more advanced configurations, there may be an optical or copper Cat5e SFP Ethernet interface (unpowered) into the ODU (SFP port): In more advanced configurations, there may be a copper Cat5e interface (with optional power over Ethernet) into the ODU (AUX port): UNDER DEVELOPMENT Page 8...

  • Page 11: Installing The Odu And Top Lpu

    If LPUs are being installed, use only the five EMC cable glands supplied in the LPU and grounding kit (with black caps). Discard the non-EMC cable glands supplied in the ODU kits (with silver caps), as these may only be used in PTP 650 installations without LPUs. ODU and top LPU mounting options Select one of two mounting options for the ODU and top LPU: The AUX interface requires its own LPUs.

  • Page 12: Mounting The Odu And Top Lpu

    Mounting the ODU and top LPU Caution Do not over-tighten the ODU mounting bracket bolts, as this may lead to failure of the assembly. Note ODUs are shipped with blanking plugs protecting the PSU, AUX and SFP ports. Use a large flat blade screwdriver to remove the plugs from those ports that will be connected to interface cables: Confirm that the correct mounting bracket kit has been supplied:...
  • Page 13 Integrated ODU only: Fix the mounting plate to the back of the ODU using the bolts and washers provided. Fix the bracket body to the mounting plate using the captive M8 bolt, ensuring the bolt is tight enough to support the ODU: Connectorized ODU only: Fix the mounting plate and bracket bolts to the back of the ODU using the bolts and washers provided.
  • Page 14 LPU mounting option 2 (separate) only: Fix the ODU to the mounting pole using the bracket strap, bolts, flat washers and coil washers provided in the bracket kit: Integrated ODU Connectorized ODU LPU mounting option 2 (separate) only: Use the U-bolt bracket from the LPU kit to mount the LPU on the pole below the ODU. Mount the LPU vertically with cable entry holes facing downwards: Integrated ODU only: Adjust the elevation (E) and azimuth (A) of the unit to achieve visual alignment:...

  • Page 15: Grounding The Odu And Top Lpu

    Grounding the ODU and top LPU Caution Do not attach grounding cables to the ODU mounting bracket bolts, as this arrangement will not provide full protection. Note If two or three drop cables are connected to the ODU, ensure that all top LPUs are grounded at the same ODU grounding point.
  • Page 16 Bolt Toothed washer M6 lug Toothed washer Fasten the ODU grounding cable to the top LPU using the M6 (small) lug. Tighten both nuts to a torque of 5 Nm (3.9 lb ft): Locking nut Washer M6 lug Washer Toothed washer M6 lug to ODU Select a tower or building grounding point within 0.3 meters (1 ft) of the ODU bracket on the same metal.

  • Page 17: Installing External Antennas

    If local regulations mandate the independent grounding of all devices, add a third ground cable to connect the top LPU directly to the grounding system: Installing external antennas If the ODU is connectorized, mount and connect external antennas. Caution To prevent water ingress, always use crimped N-type connectors at the ODU and antenna.
  • Page 18 Mount the antenna(s) according to manufacturer’s instructions. When using separate antennas to achieve spatial diversity, mount one with Horizontal polarization and the other with Vertical polarization. Connect the ODU to the antenna(s) with cables of type LMR100, LMR200, LMR300, LMR400 or LMR600.
  • Page 19 Weatherproof the antenna joints in the same way (unless the antenna manufacturer specifies a different method). Ground the antenna cables to the supporting structure at the correct points. They should be grounded within 0.3 meters (1 foot) of the ODU and antennas using the Cambium grounding kit (part number 01010419001): Dress the antenna cables and attach them to the supporting structure using site approved methods.

  • Page 20: Installing The Copper Cat5E Ethernet Interface

    SFP module kit. The PTP 650 Ethernet SFP Module Installation Guide (supplied with Cambium Networks SFP modules) describes how to do this. • PTP 650 LPUs are not suitable for installation on SFP copper Cat5e interfaces. For SFP drop cables, obtain suitable surge protectors from a specialist supplier. •...

  • Page 21: Fitting Glands To The Odu-Lpu Drop Cable

    Fitting glands to the ODU-LPU drop cable Fit EMC strain relief cable glands from the LPU and grounding kit to both ends of the 600 mm length of pre-terminated cable supplied in the LPU and grounding kit. Disassemble the gland: Thread each part onto the cable (the rubber bung is split): Assemble the spring clip and the rubber bung: Fit the parts into the body and lightly screw on the gland nut (do not tighten it):...

  • Page 22: Connecting A Drop Cable To The Odu And Lpu

    Connecting a drop cable to the ODU and LPU Connect an EMC strain relief cable gland and RJ45 connector to the ODU and LPU. Plug the RJ45 connector into the socket in the unit, ensuring that it snaps home: Fit the gland body to the ODU or LPU port and tighten it to a torque of 5.5 Nm (4.3 lb ft): Fit the gland nut and tighten until the rubber seal closes on the cable: UNDER DEVELOPMENT Page 20...
  • Page 23 Do not over-tighten the gland nut, as there is a risk of damage to its internal components: Correct Incorrect UNDER DEVELOPMENT Page 21...

  • Page 24: Disconnecting A Drop Cable From The Lpu Or Odu

    Disconnecting a drop cable from the LPU or ODU Use this procedure if it is necessary to remove an EMC strain relief cable gland and RJ45 connector from the ODU (as illustrated) or LPU. Remove the gland nut. Wiggle the drop cable to release the tension of the gland body. When the tension in the glad body is released, a gap opens at the point shown: Unscrew the gland body.

  • Page 25: Cutting The Main Drop Cable

    Cutting the main drop cable Cut the main drop cable (from the top LPU to the bottom LPU) and fit hoisting grips. Warning Failure to obey the following precautions may result in injury or death: • Use the proper hoisting grip for the cable being installed. If the wrong hoisting grip is used, slippage or insufficient gripping strength will result.
  • Page 26 Warning The metal screen of the drop cable is very sharp and may cause personal injury. • ALWAYS wear cut-resistant gloves (check the label to ensure they are cut resistant). • ALWAYS wear protective eyewear. • ALWAYS use a rotary blade tool to strip the cable (DO NOT use a bladed knife). Caution Check that the crimp tool matches the RJ45 connector, otherwise the cable or connector may be damaged.

  • Page 27: Installing The Main Drop Cable

    Fit the RJ45 connector housing as shown. To ensure there is effective strain relief, locate the cable inner sheath under the connector housing tang: Repeat steps 1 to 3 to fit an RJ45 connector and cable gland at the other end. Installing the main drop cable Install the main drop cable from the top to the bottom LPU.

  • Page 28: Grounding The Main Drop Cable

    Connect the screen of the main drop cable to the metal of the supporting structure using a cable grounding kit. Drop cable grounding points are shown in the PTP 650 Series User Guide. Caution Install ground cables without drip loops and pointing down towards the ground, otherwise they may not be effective.
  • Page 29 Tighten the cable ties with pliers. Cut the surplus from the cable ties. Cut a 38mm (1.5 inches) section of self-amalgamating tape and wrap it completely around the joint between the drop and ground cables. Use the remainder of the self-amalgamating tape to wrap the complete assembly. Press the tape edges together so that there are no gaps.
  • Page 30 Wrap a layer of PVC tape from bottom to top, starting from 25 mm (1 inch) below and finishing 25 mm (1 inch) above the edge of the self-amalgamating tape, over lapping at half width. Repeat with a further four layers of PVC tape, always overlapping at half width. Wrap the layers in alternate directions (top to bottom, then bottom to top).

  • Page 31: Installing The Bottom Lpu

    Installing the bottom LPU Install the bottom LPU, ground it, and connect it to the main drop cable. Select a mounting point for the bottom LPU within 600 mm (24 in) of the building entry point. Mount the LPU vertically with cable glands facing downwards. In the basic configuration, there is one bottom LPU, for the PSU drop cable: In a more advanced configuration, there may be two bottom LPUs, one for the PSU and one for a copper SFP drop cable.

  • Page 32: Installing The Lpu-Psu Drop Cable

    Locking nut Washer M6 lug Washer Toothed washer M10 lug to ground Select a building grounding point near the LPU bracket and on the same metal. Remove paint from the surface and apply anti-oxidant compound. Fasten the LPU ground cable to this point using the M10 (large) lug.
  • Page 33 At the LPU end only: Fit one cable gland and one RJ45 connector by following the procedure described in Terminating the main drop cable on page 23: At the LPU end only: Connect this cable and gland to the bottom LPU by following the procedure Connecting a drop cable to the ODU and LPU on page 20.

  • Page 34: Testing Resistance In The Drop Cable

    Testing resistance in the drop cable Before connecting the bottom end of the copper Cat5e drop cable to the PSU or network terminating equipment, connect it to a cable tester and test that the resistances between pins are within the correct limits. If any of the tests fail, examine the drop cable for wiring faults. Order the PTP drop cable tester from the support website (http://www.cambiumnetworks.com/support) by completing the order form.

  • Page 35: Installing The Psu

    Installing the PSU Install the PSU and connect it to the ODU and network cables. Mounting the PSU Caution As the PSUs are not waterproof, locate them away from sources of moisture, either in the equipment building or in a ventilated moisture-proof enclosure. Place the AC power injector (Cambium part number N000065L001) on a horizontal surface: Mount the AC+DC power injector (Cambium part number C000065L002) by screwing it to a vertical or horizontal surface using the four screw holes (circled):...

  • Page 36: Connecting The Psu To The Odu Cable

    Connecting the PSU to the ODU cable Connect the drop cable from the ODU to the PSU by means of a concealed RJ45 socket. Caution Plugging other equipment into the ODU RJ45 socket may damage the equipment due to the non-standard techniques employed to inject DC power into the Ethernet connection between the PSU and the ODU.
  • Page 37 AC+DC power injector: Undo the retaining screw: Hinge back the cover: Plug the drop cable into the port: Close the cover and secure with the screw: UNDER DEVELOPMENT Page 35...

  • Page 38: Connecting The Psu To The Network

    Connecting the PSU to the network Caution The connected network equipment must feature screened RJ45 connectors and must be connected to ground, otherwise the PSU will not be grounded. Note The PSU is not normally connected to the network equipment until antenna alignment is complete.
  • Page 39 Eastern Road, Ashburton, Devon, UK, TQ13 7UP www.cambiumnetworks.com Cambium Networks and the stylized circular logo are trademarks of Cambium Networks, Ltd. All other trademarks are the property of their respective owners. © Copyright 2013 Cambium Networks, Ltd. All rights reserved.

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