TT135E-MILI-XF8642TOL32100S Medium-Low Intensity Aviation Obstruction Lighting System for telecommunication towers

Solution Series No.: TT135E-MILI-XF8642TOL32100S

Telecommunication towers (painted)

Structure Type



Obstruction Lighting Arrangement

  • One or two F864/OM2K medium intensity obstruction lights are on top of a tower, red steady/flashing 2000cd+25% at night
  • 2-4 OL32S/OL100S low intensity single obstruction lights are on each level of 1/3 and 2/3 height, red steady>32.5cd at night

Standard Reference

  • ICAO Annex 14 Volume I 2018, Chapter 6

Key Points


Operation Time


Illumination Color

3 levels

OB Levels

Medium Intensity + Low Intensity

Intensity Type

Electric powered

Power Type


Built-in photocell, External photocell, Control box

Control Type



Through built-in dry contacts in OB lights, Through dry contacts in control box

Alarm Via

Battery backup box for DC OB system, UPS backup box for AC OB system

Backup Power

Solution Products

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