NR SSIDIS171 APP A
Directional Interlocking: 3 Position Switch: Working Across a Relay Interface
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| Organization: | NR |
| Publication Date: | 1 September 2018 |
| Status: | active |
| Page Count: | 6 |
scope:
PURPOSE OF PAPER
The purpose of this paper is to obtain approval from SSIAG for the data intended to control directional interlocking of bi-directional sections across relay interfaces on the Swindon, Bristol and other resignalling schemes.
Document History
NR SSIDIS171 APP A
September 1, 2018
Directional Interlocking: 3 Position Switch: Working Across a Relay Interface
PURPOSE OF PAPER
The purpose of this paper is to obtain approval from SSIAG for the data intended to control directional interlocking of bi-directional sections across relay interfaces on the...