APTA PR-E-RP-019-99
27-Point Jumper and Receptacle Hardware for Locomotives, Locomotive-Hauled Equipment and MUs
Abstract
This document defines the recommended practices for 27-point MU control and communication jumper and receptacle hardware for use on new and rebuilt locomotives, locomotive-hauled vehicles and MUs.
Keywords: 27-point, communication trainline, control command, hardware, trainline, MU trainline
Summary
This recommended practice defines the performance requirements, design features and hardware interface dimensions of the 27-point MU control and communication trainline jumper cables and receptacles.
Document History
| Document Number | Version | Publication Date | Publication | Related Information |
|---|---|---|---|---|
| APTA PR-E-RP-019-99 | Rev. 2 | 05/13/2026 | Published | Current |
| APTA PR-E-RP-019-99 | Rev. 1 | 02/13/2004 | Published | Superseded |
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