Level 2 specification
NR/L2/TEL/30118
Specification for the Maintenance of LCD, LED and TFT Displays (formerly NR/WI/TEL/30118)
Issue 2, March 2009
Maintenance specification for station passenger information display boards (LCD, LED and TFT) used by Network Rail or the station operator: maintainer duties in public areas and a single yearly service covering self-test, brightness, fans/filters, cleaning and logging.
Clause map — what each clause deals with
| 1 | Purpose | Sets out a routine inspection regime for telecoms maintainers looking after LCD, LED and TFT display boards, aiming to catch wear and defects before they cause service failures |
| 2 | Scope | Covers anyone maintaining LCD, LED and TFT display boards used by Network Rail or the Station Facilities Operator (SFO) |
| 3 | Definitions (in addition to those defined in NR/L2/TEL/31002) | Short list of abbreviations (LED, LCD, SFO, TFT); other terms come from the parent telecoms maintenance standard NR/L2/TEL/31002 |
| 4 | Responsibilities | Maintainer must avoid disturbing safety-related or in-use equipment without user agreement, protect the public in station areas, avoid peak hours, and report defects via fault control |
| Appendix A | LCD, LED & TFT Displays | Yearly Service A: sign in and permits, visual and self-test checks, brightness controls, fans and filters, internal and external clean, then label and log book entry |