Additional Tools and Materials Required Chapter 3RADWIN 5000 HPMP User Manual Release 3.2.00 3-7The GSU is connected to the HSS Unit using a standard HSS cable. It synchronizes the trans-mission timing of multiple Hub-Sites to the same clock source thus eliminating self interfer-ence (see Chapter 10).Figure 3-9: General GSU configurationSee Chapter 10 for further details about the use of GSU.Additional Tools and Materials RequiredThe following is a list of the equipment and materials required to install RADWIN 5000 HPMPhardware.Tools and Materials• Crimping tool for RJ-45 (if the ODU-PoE cable is without connectors)• Spanner/wrench 13 mm (½”)• Drill (for wall mounting only)• Cable ties• Sealing materialCables and connectors• ODU grounding cable 12AWG