Housings, earthing, power & masts

Trackside housings, standby power and batteries, radio mast earthing and lightning protection, earth maintenance.

• NR/L2/TEL/00028
  Controlled Climate Trackside Housing for Telecommunications Equipment (formerly NR/PS/TEL/00028)

  Minimum requirements for selecting climate-controlled trackside housings (cabinets with cooling) for telecoms equipment

  21 clauses mapped

• NR/L2/TEL/30034
  Radio Mast Lightning Protection and Earthing System (Formerly RT/E/S/30034)

  Design requirements for lightning protection and earthing of radio towers

  30 clauses mapped

• NR/L3/TEL/30074
  Specification for the Maintenance of Telecommunication Earths and Screening Systems (Formerly NR/L2/TEL/30074)

  6 clauses mapped

• NR/L2/TEL/30025
  Standby Power Supply Requirements for Telecommunications Equipment

  How long NR telecoms equipment must keep running when the mains fails, and how a designer decides the standby arrangement (tiers, batteries, UPS, generator)

  13 clauses mapped

• NR/GN/TEL/31109
  Telecoms Back Up Power Selection Guidance

  A plain explanation of the telecoms power plant types (UPS, -48 V DC plant, inverters) up to 10 kVA, how to specify one from approved modules, and worked sizing examples for batteries and rectifiers

  14 clauses mapped

• NR/L3/TEL/30088
  Radio Structure Inspections and Maintenance of Antenna Systems and Feeders

  Radio structure inspections and maintenance of antenna systems and feeders

• NR/L3/TEL/30005
  Working at Height when accessing Telecoms assets

  Safe access and working at height on telecoms assets (masts, poles, structures)