Grounding Requirements - Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual

Grounding Requirements

Figure 3-7
Grounding Requirements
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Cabinet grounding wires may have been installed prior to cabinet installation. If
so, follow the instructions below.
Single-point ground method (where each cabinet is grounded to master ground using its own
ground wire) shall be used. Equipment cabinet shall use green (or green-yellow) insulated wire
with a minimum size of 16 mm
Any external -48 VDC power system should be grounded in accordance with manufacturer's
instructions and any applicable local regulations.
3-22
Opto-isolated Alarm Input Structure
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The methods and standards cited in the following paragraphs are typical. Local codes, statutes,
regulations, and/or standards shall supersede any information provided herein, as applicable.
The MTS site must meet certain specifications for adequate protection from
lightning induced transients. Proper ground installation methods are outlined
in the Motorola Standards and Guidelines for Communications Sites, R56. The
references cited earlier in this chapter shall also be followed.
2
CSA (6 AWG) for ground wire.
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Chapter 3: Site Preparation
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6802800U74-N September 2009