Multiple Lpus - Cambium Networks PTP 650 Series User Manual

Chapter 3: System planning Site planning

Multiple LPUs

If two or three drop cables are connected to the ODU, the PSU and Aux drop cables each require
their own top LPU, and the copper SFP drop cable requires a top surge protector, not a PTP 650
LPU (Figure 30). Optical cables do not require LPUs or ground cables (Figure 31).
The copper SFP drop cable requires a bottom surge protector, not a PTP 650 LPU (Figure 32).
The Aux drop cable may require an LPU near the auxiliary device.
Figure 30 ODU with PSU, Aux and copper SFP interfaces
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