NR NR/L3/SIG/11303/2P20 ISSUE 2 PDF

Introduction

This module describes the basic d.c. track circuit and its installation and setting up requirements. It does not cover the impulse coded, transient, or rail circuit types of d.c. track circuit.

Further details of d.c. track circuits, including a list of components and setting up details, may be found in the appropriate part of the Train Detection Handbook.