User's Manual
Table Of Contents
- Important Safety Instructions
- Overview
- The ERU assembly
- Do you have everything?
- Safety precautions
- Introduction
- Installing the ERU
- Installation overview
- Installation guidelines and requirements
- Estimating cable requirements
- Assembling the mounting bracket and pipe
- Installing the ERU on solid wood or lap siding
- Installing the ERU on brick or poured concrete
- Installing the ERU on a cinder-block or hollow wall
- Installing the ERU under the eaves
- Installing the ERU on a roof
- Attaching the ERU to the mounting assembly
- Routing and grounding the exterior cables
- Routing cable to the SOMAport
- Troubleshooting
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External Radio Unit Installation Guide
Grounding rod
1 Drive the grounding rod into the earth within 6 m (20 feet) of
the ground block.
NOTE: No more than 15 cm (6 inches) of the rod should be
above the earth.
2 Slide the pressure lug over the top of the grounding rod.
3 Insert the #10 AWG grounding wire that runs from the ground
block between the grounding rod and the pressure lug.
4 Insert a #6 AWG bond wire between the grounding rod and the
pressure lug.
5 Insert the lug screw through the hole in the pressure lug.
6 Tighten the screw to hold the wires securely in place.
7 Attach the other end of the #6 AWG bond wire to one of the
other building grounds (A or B) with the appropriate connector.
Building Ground Procedure
Ground Rod
Ground Wire
Ground Rod
Pressure Lug
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