3.2 ISDN Line Connection
ISDN Installation
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3.2 ISDN Line Connection
3.2.1 Location of the Units
KX-TD816
One ISDN Line Unit (KX-TD280 or KX-TD286) can be installed to any expansion area.
Note
• System Programming is required for expansion unit location.
<SYS PRG [109]>
Default : Area 1 = 4-CO Line Unit
Area 2 = 8-Station 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.
• Either one KX-TD280, one KX-TD286 or one KX-TD180 can be installed in a system.
• For unit combinations, refer to Section 1.4.2 Expansion Unit Combination.
Precautions 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 units.
The ISDN line unit should not be installed only to the Slave system.
Panasonic
D816
Expansion
area 2
Expansion
area 1
Expansion Unit
Connectors
Remove the front
cover plate(s).
2-ISDN S0 Line Unit, KX-TD280
or
6-ISDN S0 Line Unit, KX-TD286
One ISDN line unit