Figure 37: Ground Lug Highlighted On Ap; Procedure 5: Cabling And Grounding/Earthing The Ap - Cambium Networks PMP 400 Series Configuration And User's Manual

Networks, bridges
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PMP 400/430 and PTP 200/230 Series Configuration and User Guide
1.
Standard Canopy installation practices apply, including using shielded Ethernet
cable for all infrastructure cabling, using drip loops, providing extra cable for future
use at any termination, and ensuring the tower or structure is fully grounded
(Protective Earth – PE).
2.
Use dielectric grease (which is uniformly non-conducting) on all connections and in
all RJ-45 Ethernet connectors. The best practice is to use enough grease to fill the
RJ-45 female connector, and then insert the RJ-45 male connector and push the
grease further into the Canopy unit and around the RJ-45 connector. Excess grease
can be wiped over the connector area to provide some resistance to water ingress
around the connector.
3.
Use a 600SSH surge suppressor within 3 ft (~1 m) of the AP and ground it to known
good ground (Protective Earth - PE) on the tower or support structure with a 10
AWG ground strap.
4.
A pole mount kit is available for mounting the 600SSH to the tower or mast. The
mount includes a termination point for the ground strap from the 600SSH.
5.
Run a 10 AWG ground strap from the ground lug on the AP (see Figure 37) to
known good ground (Protective Earth - PE) to complete the grounding and
protection of the AP. The termination point on the 600SSH pole mount kit may be
used for this.

Figure 37: Ground lug highlighted on AP

The PMP 400/430 AP and PTP 200 Series BH have metal-to-metal contact from the tower or support
structure, through the antenna, through the coax cable, to the radio. Installing surge suppression at the AP is
strongly recommended to provide the best protection from near lightning hits.
Install a 600SSH surge suppressor within 3 ft (~1 m) of an AP or BH. A pole mount kit for the 600SSH is
shown in
Figure 17
to facilitate installation of the 600SSH by the AP or BH.
pmp-0042 (March 2014)

Procedure 5: Cabling and Grounding/Earthing the AP

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