scope:

This instruction applies to all persons engaged in the maintenance of GSM-R Radio Base Transceiver Stations (BTS) and Base Station Controllers (BSC) equipment.

The document does not include information concerning the Network Switch & Subsystem (NSS) equipment at present.

The maintenance of the GSM-R Fixed Terminal System (FTS) Dicora terminal is detailed within NR/L2/TEL/30083 Specification for the Maintenance of Telephone Instruments in Operational Buildings.

Purpose

This instruction defines the maintenance requirements for GSM-R radio equipment in use on Network Rail infrastructure along with the testing requirements where the GSM-R platform is used to support the Interim Voice Radio System .

The purpose of maintaining and testing these radio systems is to decrease the incidence of failures through deterioration and to identify potential failures before they become service affecting.