Step 11: Ground The Unit - Proxim Tsunami Multipoint MP-820-BSU-100 Installation Manual

Step 10: Install Surge Protector
Proxim recommends two approved lightning surge protectors to be installed, one near to the device and the other at the
building ingress point.
: For an additional Surge Protector, place an order separately with your distributor.
Perform the following steps to ensure proper surge protection:
1. Mount the provided surge protector near the outdoor device and use 10 AWG or a better gauge wire to connect the
protector's ground lug to the appropriate mounting ground point. The outdoor device and co-located surge protector
should have a common grounding point using the shortest possible grounding cable.
2. Mount a second surge protector near the building ingress and use 10 AWG or a better gauge wire to connect the
surge protector's ground lug to earth ground as shown in the figure below.
: Use Outdoor-rated, UV protected, shielded Cat5e/Cat6 cable for the following:
3. Connect an RJ45 terminated cable between the indoor device and to the port on the surge protector at the building
ingress.
4. Connect a short RJ45 terminated cable between the outdoor device and the port on the co-located surge protector.
5. Connect an RJ45 terminated cable between the two surge protectors on their remaining ports.
: Ensure to loop the cable before entering the premise to prevent water ingress.

Step 11: Ground the Unit

To ensure proper grounding, use either of the ground points which are situated at the bottom corners of the device and the
grounding screw(#8-32 thread size) provided to attach a ground wire of at least 10 AWG stranded to the device. It is
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Figure 3-10 Surge Protector
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