Panasonic KX-TD816RU, Installation Manual And Programming Tables

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10
Installing Expansion Unit (KX-TD286)
ISDN 6-S0 Line Unit Connection
To add six ISDN S0 lines, use the optional ISDN 6-S0 Line Unit
(KX-TD286). This unit can be installed in any of the expansion
areas provided on the front of the main unit.
When the KX-TD286 is installed in the KX-TD816, only four
ISDN S0 lines are available for outside lines and the other ports are
for extension lines (ISDN extensions).
System programming is required for unit location identification.
Default KX-TD816: bottom = 4-CO Line Unit,
top = 8-Station Line Unit
KX-TD1232: bottom = 4-CO Line Unit,
middle and top = 8-Station Line Unit