Cambium Networks PMP 450 AP, Планирование и руководство по установке

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Chapter 2: System hardware Lightning protection unit (LPU) and grounding kit
Page
2-48
ODU to grounding system ground cable,
bottom LPU ground cable (2pcs, M6 and M10
lugs), bolt and washers 4-pin connector kits (4 kits, one shown)
One LPU and grounding kit ( Table 53 ) is required for the PSU drop cable connection to the ODU. If the
ODU is to be connected to an auxiliary device, one additional LPU and grounding kit is required for the
Aux drop cable. Order the kits from Cambium Network (
Table 56 ) .
Note
When installing LPUs, use only EMC cable glands supplied in the ODU and LPU kits (with
black caps). Do not use the non-EMC cable glands supplied in other kits (with silver caps),
as these may only be used in ODU installations without LPUs.
Caution
To provide adequate protection, all grounding cables must be a minimum size of 10 mm
2
csa (8AWG), preferably 16 mm
2
csa (6AWG), or 25 mm
2
csa (4AWG).
Table 56 DC LPU and grounding kit part number
Cambium description Cambium part number
DC LPU and Grounding Kit C000000L114A
Cable grounding kit
Copper drop cable shields must be bonded to the grounding system in order to prevent lightning-strike
arcing (resulting in fire risk and damage to equipment).