LUL - T0533
Signal equipment service specification Delta track circuit units Style A, B, C and D
| Organization: | LUL |
| Publication Date: | 1 March 2017 |
| Status: | inactive |
| Page Count: | 12 |
scope:
Purpose
This specification has been written to detail the servicing requirements of all styles of 10 KHz delta track circuit units, hereafter referred to as 'Delta Units', which are used in the signalling system on the London Underground.
Scope
This specification is written to comply with Engineering Standard S1202 in defining the requirements for the servicing of all styles of 10 KHz delta track circuit units, also known to as 'Delta Units', which are used extensively in the signalling system on the London Underground.
Document History