Infrastructure Requirements For The Belair100Sn; Protective Earth Ground - Belair 100SN Installation Manual

BelAir100SN Installation Guide

Infrastructure Requirements for the BelAir100SN

Protective Earth
Ground
May 18, 2010
This section describes the infrastructure that is required at the location where
BelAir100SN units are installed:
• "Protective Earth Ground" on page 6
• "AC Power" on page 7
• "Lightning Protection" on page 9
• "DOCSIS" on page 9
• "Ethernet" on page 13
• "Antenna Type and Placement" on page 14
Any identified specific third party parts are recommendations or examples only.
Substitution of equivalent parts is permitted. (If you are unsure of the
equivalency of a certain component, contact BelAir Networks.)
For safety and functional operation, each BelAir unit must be connected to a
reliable earth ground before electrical power is applied to it. Special attention
should be made when installing the ground and connection of the ground wire
must follow local and national wiring codes. If multiple BelAir units are installed
at a single location, then each BelAir unit must be connected to the same
ground point.
Warning — Protective Earth Ground
Failure to connect the protective earth ground can result in a
shock hazard.
The BelAir100SN is powered by the coaxial cable and is considered grounded
where connected to the cable shield, as required by US National Electric Code,
section 820-41. In addition, installers may wish to bond the BelAir100SN
ground to the messenger wire. To do so, the additional connection is to a
1/4 inch (approx. 6 mm) ground terminal with screw.
location of the ground point and the ground terminal. Installers should follow
normal practices when grounding the unit. Installers should verify that all
grounding requirements listed in this document have been met.
Confidential
Document Number BDTK11001-A01 Preliminary

Infrastructure Requirements for the BelAir100SN

Figure 2 shows the
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