Page 19
2
Connect the main drop cable to the top LPU by following the procedure
Connect the drop
cable to the ODU (PSU port) and LPU
on page
16
.
3
Run the main drop cable to the site of the bottom LPU.
4
Attach the main drop cable to the supporting structure using site approved methods.
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.
1
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.
2
Connect the main drop cable to the bottom LPU by following the procedure
Connect the drop
cable to the ODU (PSU port) and LPU
on page
16
.
3
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):
4
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.
Maximum 600 mm
(24 inches)
Bottom LPU
Grounding system
Building
entry
point
LPU to grounding system
PSU drop
cable
PSU
AC supply
Network
terminating
equipment
PTP 670 ground cables
Power over Ethernet CAT5e cable
(gel-filled, shielded with copper-
plated steel)
Network CAT5e cable
Site grounding system
M6 lug to ODU
Locking nut, Washer
M6 lug, Washer
Nut, Toothed washer
