Recommended Practice

Yard Intercom System Inspection, Testing and Maintenance


This recommended practice provides guidelines for inspecting, testing, and maintaining rail transit yard intercom systems.

Document History
Document Number Version Publication Date Publication Related Information
APTA RT-SC-RP-039-03 09/28/2003 Published Current


communication, inspection, intercom system, maintenance, PA, public address system, test, testing, yard page, yard public address system



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