Mounting external antennas Chapter 3RADWIN 5000 HPMP User Manual Release 3.2.00 3-10into the unit causing damage.) It is possible to mount an ODU horizontally. SeeChapter 16 for details.3. Refer also to Chapter 16 for detailed ODU mounting kit contents and schematics.Mounting external antennasIf you are using ODU with an integrated antenna, skip to Mounting the Lightning Protec-tion Devices below.The supplied mounting kit is used to mount the antenna onto a pole. The antennas must bealigned for maximum throughput.To mount an external antenna:1. To mount an external antenna, ensure that the antenna is properly grounded andthen mount the antenna onto the pole. Refer to Chapter 16 for detailed antennamounting instructions.2. Follow the mounting instructions supplied with the antenna.Mounting the Lightning Protection DevicesThe use of lightning protection is dependent on regulatory and end user requirements. TheRADWIN 5000 HPMP ODU is designed with surge limiting circuits to minimize the risk of dam-age due to lightning strikes. RADWIN recommends the use of additional surge arrestordevices to protect the equipment from nearby lightning strikes.Refer to Chapter 17 for detailed installation instructions of lightning protection devices.Outdoor ConnectionsTo complete the outdoor connections:1. Connect the ground cable to the ODU chassis as marked on the ODU.WarningPrior to connecting cables to the ODU, the protective earth terminal (screw)of the ODU must be connected to an external protective ground conductoror to a grounded pole.• Only a qualified person using the proper safety equipment shouldclimb the antenna mast• Only qualified professional personnel should install or dismantleODUs and mastsNote• Do not tighten the ODU to its mounting brackets until the alignmentprocess of the antenna is complete.• Ensure that there are no direct obstructions in front of the ODU orinterference from man-made obstacles.WarningNever stand in front of a live antenna!
