R56 - Standards and Guidelines for Communication Sites

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Motorola R56 is the standard for communication sites.

April 2017 68P81089E50-C

R56 Revision C

September 2005 68P81089E50-B

R56 Revision B

March 2000 68P81089E50-A

R56 Revision A

TIA 607-B

TIA has a standard too.

TIA-607-B - Generic Telecommunications Bonding and Grounding (Earthing) for Customer Premises