Panasonic KX-TD816 Installation Manual page 86

2.4.4 Installing Expansion Unit
(KX-TD170 / KX-TD180)
Notes • If two expansion units are installed, cut
the cabinet cover(s) on the lower
cabinet(s) to let the cords from upper
cabinet go down through the cabinet
cover(s). To guard the cords, smooth the
cut edge.
2-54 Installation
• If you attach the Caller ID Card, KX-
Cut here
TD193 to the 4-CO Line Unit, KX-
TD180, attach it before installing the 4-
CO Line Unit to the main unit. For
installation, refer to Section 2.4.7 "Caller
ID Card Installation."