Installation
Installation Manual
55
2.5
Optional Cards and Units Installation
2.5.1
Location of Optional Cards
The location of the optional cards is shown below.
Precaution
To protect the printed circuit boards (P-boards) from static electricity, do not touch parts on the
P-boards in the main unit and on the optional cards. If accessing the parts is required, wear a
grounding strap.
CAUTION
•
Power off the system, and unplug the AC cord before installing an optional card.
1 BRI Expansion Card
(KX-TD61280)
Connector
The front covers are open.
Optional Doorphone/
Door Opener Card
(KX-TD61260 or
KX-TD61261)
Connector
Voice Message Card
(KX-TD61291) Connector