scope:

This standard defines the maintenance requirements for Telecoms Power plant, invertors, batteries and uninterruptible power supplies in use on Network Rail infrastructure.

It applies to all persons engaged in the maintenance of Telecoms power plant, batteries and uninterruptible power supplies, including those installed under the FTN / GSM-R project, for Network Rail.

It does not apply to PETS PSU, chargers and batteries.

Purpose

The purpose of maintaining and testing Telecoms power plant, invertors, batteries and uninterruptible power supplies is to decrease the incidence of failures through deterioration and to identify potential failures before they become service affecting.