Installation
58
Installation Manual
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.
Voice Message Card
(KX-TD61291) Connector
Optional Card
Connector
Optional Doorphone/Door
Opener Card (KX-TD
61260 or KX-TD61261),
Optional Analogue CO
Expansion Card
(KX-TD61281), or Caller
ID Sending Card with 1
CO I/F (KX-TD61283).