4
LABELING THE BUTTON DESIGNATION CARD
The expansion module has a 2-column designation card on which the user can type or write the telephone
numbers, extensions, or features assigned to each of the buttons on the expansion module. Use the following
directions to remove, label, and replace the designation card.
1
The transparent cover is attached to the frame of the expansion module by tabs on the top and bottom of the
cover. To remove the cover, press the top tab forward and lift the card cover toward you. Then, lift the bottom
of the transparent cover from the bottom tabs.
2
Remove the card.
3
Print the desired labels on the blank designation card.
4
Once you have placed the designation card on the expansion module, you can replace the transparent cover
by inserting the tabs at the bottom, and press the top down until it clicks.
TEST OPERATION
When you initiate the Test feature on a 6416-type or 6424-type telephone with an attached expansion module, the
lights on the 6400 Series telephone go on in separate columns and the display fills in all the segments. Also, all
the button lights on the expansion module go on.
