Rail Telecoms One Stop

Level 2 specification

NR/L2/TEL/31001

Telecom maintenance testing & fault investigation process

Issue 4, 03 March 2018 · Maintenance & faulting

The telecom maintenance testing and fault investigation process (TMT&FIP) — very detailed, test-by-test

Section headings

We have not yet written plain-words notes for every clause of this one; the headings below show its shape.

1Purpose
2Scope
3Roles and responsibilities
4Definitions
5Introduction
6General Requirements
8Failure Investigation Process
9Maintenance Testing
11Arrange for testing and recording of induced longitudinal and transverse voltage on the
12Check and set all alarm threshold/current limits in accordance with
13Check and restore all alarm settings in accordance with manufacturer’s
10Check correct operation of call set–up in accordance with calling instructions
17Additionally for ETD Telephones
7Observe and record any existing alarms (where appropriate) or management
14Test, after reconnection of traffic, correct functionality to an appropriate level
20Additionally for ETD telephones
19Check for picture stability, clarity and focus and that moving objects do not
21Check that a complete image of viewing target appears in at least one monitor

Standards this one points to