Panasonic KX-TD500 - Expansion to 3-Shelf System

2.2.3 Expansion to 3-Shelf System
Installation 2-17
The KX-TD500 System can be expanded to 3-Shelf System by
installing the Expansion Shelf 2 on the 2-Shelf System.
Up to 512 lines (including Extensions and CO lines) can be
equipped with 3-Shelf System.
Note : Before stacking the Expansion Shelf 2 on the 2-Shelf System, remove
the front panel and side panels from Expansion Shelf 2 following the
procedures described in Section 2.2.2 “Expansion to 2-Shelf System”.
If a part of the top cover is not removed, it is necessary to remove the
part of the top cover just like the 2-Shelf System. Refer to “Removing
a Part of the Top Cover” on page 2-14.
The figure below shows a 3-Shelf System composed of a basic
shelf and two expansion shelves.
DIGITAL SUPER HYBRID SYSTEM
RUN
OFF LINE
ALARM