Specifications

2009
2010
10
INTRODUCTION
ILLUSTRATION OF SYSTEM AREA COLOUR CODES
STANDARDS MAPS
Orange – Demarcation
point.
Green – Networking
and auxiliary
equipment.
Purple – Mainframe, PBX,
computer, multiplexer.
White – First
switching level
MC-CD//IC-BD
Grey – Second
switching level
IC-BD//HC-FD.
Blue – Horizontal cabling.
Brown – Building backbone.
Yellow – Alarms, safety,
auxiliary,
mixed systems.
Red – Available
for future use.