Nortel Networks Option 11C Mini manual Single point grounding

Page 52 of 332 Chapter 3 — System and site requirements

You can use any of the following busbars as a system SPG:

•building principal ground, normally in building with one floor

•floor ground bar, normally in buildings with more than one floor

•dedicated SPG bar bonded to the building grounding system

•a section of the battery return bar of the power plant

You can configure subsystems of a telecommunications system, such as groups of frames or equipment, as separate single point ground entities connected in a star configuration to the system SPG.

Figure 6

Single point grounding

Various Communication Subsystems

SPG

553-9479

553-3021-209 Standard 3.00 April 2000