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6. Installing the drop cable and LPU

PTP 500 Installation Guide

phn-2508_005v000 (Mar 2013)

Page 20

Check that the crimp tool matches the RJ45 connector being used, otherwise the cable
or connector may be damaged.

The cable inner sheath must be located correctly under the connector housing tang. If
this is not done correctly, there is no strain relief on the cable terminations.

The following shows the end of a drop cable fitted with an RJ45 plug and a gland:

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Summary of Contents for PTP 300 Series

Page 1: ...Cambium PTP 500 Installation Guide ...

Page 2: ... copyrighted material of Cambium its licensors or the 3rd Party software supplied material contained in the Cambium products described in this document may not be copied reproduced reverse engineered distributed merged or modified in any manner without the express written permission of Cambium Furthermore the purchase of Cambium products shall not be deemed to grant either directly or by implicati...

Page 3: ...ecautions before installation 14 Preparing personnel 14 Preparing inventory 14 Preparing tools 14 5 Installing the ODU 15 Checks and safety precautions 15 Selecting a position for the ODU connectorized 16 Mounting the ODU 16 Installing connectorized antennas 17 6 Installing the drop cable and LPU 19 Preparing drop cables 19 Assembling an RJ45 connector and gland 19 Installing and grounding the mai...

Page 4: ...ide Version information The following shows the issue status of this document Document issue Date of issue Remarks 004v000 Feb 2013 Second issue 005v000 Mar 2013 Second issue revised Contacting Cambium Networks Support website http www cambiumnetworks com support Main website http www cambiumnetworks com Sales enquiries solutions cambiumnetworks com Support enquiries support cambiumnetworks com Te...

Page 5: ...ctrodes Other regulations may apply in different countries and therefore it is recommended that installation of the outdoor unit be contracted to a professional installer PIDU Always use the Cambium Power Indoor Unit Plus PIDU Plus PTP 300 500 600 Series to power the ODU Failure to use the Cambium supplied PIDU could result in equipment damage and will invalidate the safety certification and may c...

Page 6: ...evice External cables Safety may be compromised if outdoor rated cables are not used for connections that will be exposed to the outdoor environment Grounding PTP SYNC In order to meet the safety requirements for deployment in Australia and New Zealand AS NZS 60950 1 the PTP SYNC unit if deployed must be grounded to a Protective Ground in accordance with Local Electrical Regulations RF exposure ne...

Page 7: ...nk Complete kit contains two ODUs with grounding cables Powered indoor unit PIDU End Complete kit contains one PIDU unit Link Complete kit contains two PIDU units Mounting bracket assembly End Complete kit contains one bracket Link Complete kit contains two brackets Choice of mains leads US UK and EU End Complete kit contains one US one UK and one EU lead Link Complete kit contains two US two UK a...

Page 8: ...nectors The specified connectors and crimp tool are specific to Superior Essex BBDGe cable they may not work with other types of cable Tyco AMP Mod Plug RJ45 100 pk Cambium part number WB3177 Tyco AMP Crimp Tool Cambium part number WB3211 Cable glands For protecting the drop cable entry points Glands are included in the ODU and LPU kits but additional glands may be purchased from Cambium if requir...

Page 9: ...ust be connected to ground otherwise the PIDU will not be grounded To connect the PIDU to network equipment use screened cable that meets this specification Screening Must be either foil screen FTP or braided screen STP cable Connectors Must use screened RJ45 connectors with metal shells at both ends Electrical connection There must be a continuous electrical connection between both screened conne...

Page 10: ...o connectors are required per ODU Use weatherproof connectors preferably ones that are supplied with adhesive lined heat shrink sleeves that are fitted over the cable connector interface RF CONNECTOR N MALE STRAIGHT FOR CNT 400 CABLE Cambium part number 09010091001 Self amalgamating and PVC tape To weatherproof the RF connectors Cable grounding kits One kit is required per antenna cable grounding ...

Page 11: ...ected to either ground stud BNC connector For using a digital voltmeter DVM to help with the antenna alignment process PIDU For connecting to power supply and network via the PIDU Connectorized ODU antenna interfaces The connectorized ODU also has interfaces to connect to an external antenna via an N type connector with cable of type LMR100 LMR200 LMR300 LMR400 or LMR600 The V interface is for ver...

Page 12: ...s User Guide ODU RJ45 socket for connecting CAT5e cable to ODU LAN RJ45 socket for connecting CAT5e cable to network Recovery Used to recover the unit from configuration errors or software image corruption The PIDU indicator LEDs have the following states Indicator State Description Power green Off No power On PIDU is receiving power Blink There is a short circuit in the ODU PIDU cable Ethernet ye...

Page 13: ...ucture Where the sphere rests against the ground and a strike termination device such as a finial or ground bar all the space under the sphere is considered to be in the zone of protection Zone B Similarly where the sphere rests on two finials the space under the sphere is considered to be in the zone of protection Assess locations on masts towers and buildings to determine if the location is in Z...

Page 14: ...and damage to equipment The drop cable shield must be grounded at the building entry point The drop cable must not be laid alongside a lightning air terminal All grounding cables must be minimum size of 10 mm2 csa 8AWG preferably 16 mm2 csa 6AWG or 25 mm2 csa 4AWG Grounding cable requirements When routing fastening and connecting grounding cables the following requirements must be met Grounding co...

Page 15: ... the tower near the top A grounding kit must be installed at the bottom of the tower near the vertical to horizontal transition point bonded to the tower or its ground bar TGB If the tower is greater than 61 m 200 ft in height an additional grounding kit must be installed at the tower midpoint and as necessary to reduce the distance between ground kits to 61 m 200 ft or less In high lightning pron...

Page 16: ...the building or its lightning air terminal The building must be correctly grounded A schematic example of a wall installation is as follows Additional protection requirements for high rise buildings are described in the PTP 500 and PTP 300 Series User Guide Maximum cable length The maximum permitted lengths of the main copper interface cables ODU to network equipment via PIDU are defined in the PT...

Page 17: ...l In no event shall Cambium Networks be liable for any injury to any persons or any damage caused during the installation of the Cambium PTP 500 Ensure that only qualified personnel undertake the installation of a PTP 500 Series link Ensure that all safety precautions can be observed Preparing inventory Perform the following inventory checks Check that an installation report is available based on ...

Page 18: ...itted mounting bracket Do not mount the ODU on poles with diameter less than 50 mm 2 in or greater than 75 mm 3 in Check that the integrated lifting eye and its fixing are not damaged in any way and have not been exposed to a shock loading due to a fall Do not reverse the rear bracket strap Check that the ODU is pre fitted with a mounting bracket designed to ease installation and with a ground cab...

Page 19: ...r M8 x 70 mm bolts M8 flat washers and M8 coil washers Tighten to ensure the assembly grips but can be adjusted on the pole 2 Use the integrated lifting eye to hoist the ODU up to the bracket observing the safety precautions listed in Checks and safety precautions on page 15 3 Offer the ODU with pre fitted mounting bracket to the bracket strap and affix using the captive M8 bolt Tighten to ensure ...

Page 20: ...unt the antenna according to manufacturer s instructions When using separate antennas to achieve spatial diversity mount one with Horizontal polarization and the other with Vertical polarization 2 Connect the ODU to the antenna with cables of type LMR100 LMR200 LMR300 LMR400 or LMR600 Use the ODU V interface for vertical polarization and the H interface for horizontal polarization When using separ...

Page 21: ...ss always use crimped N type connectors at the ODU and antenna 6 Ground the antenna cables to the supporting structure at the correct points They should be grounded within 0 3 meters 1 ft of the ODU and antennas using the using the Cambium grounding kit part number 01010419001 A mast or tower may require additional grounding points as specified in Mast or tower installation on page 12 7 Dress the ...

Page 22: ...ssembling an RJ45 connector and gland on page 19 Hoisting grips are designed for hoisting cable safely up a tower and providing permanent support so that mechanical connection to an antenna can be made A clamp is placed over the grip and secured to the cable with a special tool When the cable is in position and the grip handle is fastened to a tower member the hoist line can be removed Assembling ...

Page 23: ...ches the RJ45 connector being used otherwise the cable or connector may be damaged The cable inner sheath must be located correctly under the connector housing tang If this is not done correctly there is no strain relief on the cable terminations The following shows the end of a drop cable fitted with an RJ45 plug and a gland ...

Page 24: ... 21 3 Lay the main drop cable as far as the building entry point ensuring there is enough length to extend through the wall of the building to the LPU 4 Attach the main drop cable to the supporting structure using site approved methods 5 Ground the drop cable to the supporting structure at the points shown in Mast or tower installation on page 12 or Wall installation on page 13 Follow the procedur...

Page 25: ...y hand screwed into the unit tighten it with a spanner to torque 10 Nm 7 4 ftlbs 4 When the gland body has been fitted tighten the gland back shell Do not over tighten the gland back shell as the internal seal and structure may be damaged The following example shows correctly tightened and over tightened gland back shells ...

Page 26: ...m grounding kit part number 01010419001 proceed as follows 1 Remove 60 mm 2 5 in of the drop cable outer sheath 2 Cut 38mm 1 5 in of rubber tape self amalgamating and fit to the ground cable lug Wrap the tape completely around the lug and cable 3 Fold the ground wire strap around the drop cable screen and fit cable ties 4 Tighten the cable ties with pliers Cut the surplus from the cable ties ...

Page 27: ...together so that there are no gaps 7 Wrap a layer of PVC tape from bottom to top starting from 25 mm 1 in below and finishing 25 mm 1 in above the edge of the self amalgamating tape over lapping at half width 8 Repeat with a further four layers of PVC tape always overlapping at half width Wrap the layers in alternate directions second layer top to bottom third layer bottom to top fourth layer top ...

Page 28: ...e building and run the main drop cable into the building 2 Ground the drop cable to the external ground bar outside the building entry point as described in Making a drop cable ground point on page 23 3 Install the LPU inside the building not more than 600 mm 24 in from the building entry point Mount the LPU with cable glands facing downwards 4 Ground the LPU to the master ground bar 5 Cut any sur...

Page 29: ...ject DC power into the 100BaseT connection between the PIDU and the ODU Plugging the ODU into other equipment may damage the ODU and or the other equipment Do not dress the PIDU cables too tightly as this may make the connections unreliable The connected network equipment must feature screened RJ45 connectors and must be connected to ground otherwise the PIDU will not be grounded To connect the PI...

Page 30: ...g screw Preparing the PIDU to LAN cable Prepare the Cat5e cable that will connect the PIDU to the network equipment This cable must meet the following requirements Use either foil screen FTP or braided screen STP cable Use screened RJ45 connectors with metal shells at both ends Ensure there is a continuous electrical connection between both screened connectors The PIDU is not normally connected to...

Page 31: ... T1 and Ethernet cables to the LAN port of the PIDU The E1 T1 splitter output pin connections for the Ethernet and E1 T1 ports are as follows Port Pin Number Connection Port Pin Number Connection Ethernet 1 Rx1 E1 T1 1 Rx Ring 2 Rx2 2 Rx Tip 3 Tx1 3 4 4 Tx Ring 5 5 Tx Tip 6 Tx2 6 7 7 8 8 Test the telecoms links by performing loopback connection tests as described in the PTP 500 and PTP 300 Series ...

Page 32: ...PTP 500 Installation Guide phn 2508_005v000 Mar 2013 Page 29 License keys and regulatory information ...

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