Installation
2-31
2.4.1
Location of Optional Cards and Units
SYSTEM INTER
CONNECTION
8CO/ISDN
Install System Inter Connection Card
(KX-TD192).
This card connects two DSHSs together.
Install 8-CO Line Card
(KX-TD181/KX-TD181D).
Adds eight CO lines.
or
Install 4-ISDN S0 Line Card (KX-TD281).
Adds four ISDN S0 lines.
Front Cover
is open.
System Inter
Connection
Card
Connector
CO Line
Expansion
Card
Connector
Backup Battery and Adaptor Card / Doorphone Card for KX-TD816
System Inter Connection Card / 8-CO Line Card / 4-ISDN S0 Line Card
for KX-TD1232
Backup
Battery
Connector
Front Cover
is open.
Doorphone
Card
Connector
Install Doorphone Card (KX-TD160).
This card connects two doorphones and two
door openers.
Install Backup Battery and Adaptor Card
(KX-A216).
Operates all the features in the event of a
power failure.