16 AP300 Customer Engineer Manual March 2010All rights reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner7. WIRE COLOUR CODING FOR CATEGORY 5 CABLESThis chapter shows you the normal colour coding for category 5 cables (4 pair) based onthe two standards supported by TIA/EIA: the 568A and 568B standard. These standardsapply to the colour code used with a single cable run: BOTH ENDS MUST USE THESAME STANDARD. Which standard to use is a matter of local decision. However, sincethey both use the same pin out at the connectors you can mix 568A and 568B cables inany installation.Figure 17 Colour Schemes for Wires in Category 5 Ethernet Cabling.