Panasonic KX-TD816 Installation Manual page 139

KX-TD1232
One ISDN Line Unit (KX-TD280 or KX-TD286) and/or one PRI ISDN Line Unit (KX-
TD290) can be installed to any expansion area.
If you use the KX-TD170 or KX-TD174 with the KX-TD290, you must use the KX-TD170-
or KX-TD174- . The former unit does not work properly with the KX-TD290.
Please see the back of the unit and check " " is marked.
Expansion
area 3
Expansion
area 2
Expansion
area 1
Expansion Unit
Connectors
Note
• System Programming is required for expansion unit location.
<SYS PRG [109]>
Default : Area 1 = 4-CO Line Unit
• When starting the system for the first time or performing System Data Clear, the location
application will use the actual installation settings instead of the system default settings.
• For unit combinations, refer to Section 1.4.2 Expansion Unit Combination.
ISDN Installation
D1232
Remove the front
cover plate(s).
Area 2 and 3 = 8-Station Line Unit
Example
MODEL NO.KX-TD170
One of the following ISDN line unit
2-ISDN S0 Line Unit, KX-TD280
or
6-ISDN S0 Line Unit, KX-TD286
One Primary Rate Interface ISDN Expansion Unit,
KX-TD290
This unit can be installed only to
the Master system.
3.2 ISDN Line Connection
139