© 2009 Avaya Inc. All rights reserved. 1 Features of 4 Port Expansion Card (Cont.) Some of the additional features of the 4 Port Expansion Cards are: The 4 port expansion card can be used with the one meter expansion cables. The stack- up that is necessary for this to work is shown in the image here. The 4 Port Expansion card can also work with longer, that is, two meter cables, to ease the installation. The color of the two meter cable will be y Four yellow cables will be supplied with every 4 Port Expansion Card. Side-view of a fully loaded system with 12 expansion units and the expansion cables Note to GDs: Please create this image.