Cambium Networks PTP 670 Serie Mode D'emploi page 27

Ground the main drop cable
At all required grounding points, connect the screen of the main drop cable to the metal of the supporting
structure using the cable grounding kit (Cambium part number 01010419001).
Install the bottom LPU to PSU drop cable
Install the bottom LPU
Install the bottom LPU, ground it, and connect it to the main drop cable.
Select a mounting point for the bottom LPU within 0.6 meters (2 foot) of the building entry point. Mount
the LPU vertically with cable glands facing downwards.
Power over Ethernet CAT5e cable
(gel-filled, shielded with copper-
plated steel)
Network CAT5e cable
PTP 670 ground cables
Site grounding system
Connect the main drop cable to the bottom LPU by following the procedure
ODU (PSU port) and LPU
Fasten one ground cable to the bottom LPU using the M6 (small) lug. Tighten both nuts to a torque of 5 Nm
(3.7 lb ft):
Select a building grounding point near the LPU bracket. Remove paint from the surface and apply anti-
oxidant compound. Fasten the LPU ground cable using the M10 (large) lug.
AC supply
PSU
Network
terminating
equipment
Grounding system
on page 24.
Maximum 600 mm
Bottom LPU
LPU to grounding system
PAGE 27
PTP 670 QUICK START GUIDE
(24 inches)
PSU drop
cable
Building
entry
point
Connect the drop cable to the