User's Guide Part 1

Table Of Contents
Chapter 2: System hardware Ethernet cabling
Lightning protection unit (LPU) and grounding kit
PTP 700 LPUs provide transient voltage surge suppression for PTP 700 installations. Each PSU
or Aux drop cable requires two LPUs, one near the ODU and the other near the linked device,
usually at the building entry point (Table 24).
Table 24
LPU and grounding kit contents
Lightning protection units (LPUs)
LPU grounding point nuts and washers
ODU to top LPU drop cable (600 mm)
EMC strain relief cable glands
U-bolts, nuts and washers for mounting LPUs
ODU to top LPU ground cable (M6-M6)
Bottom LPU ground cable (M6-M10)
ODU to ground cable (M6-M10
Page 2-35