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3.2 ISDN Line Connection
ISDN Installation
127
6. If a KX-TD280 or KX-TD286 is to be installed:
a) Prepare the required plugs. Two 4-pin plugs are included in KX-TD280, and six 4-pin
plugs are included in KX-TD286 to connect outside lines.
b) Insert the plug into a jack on the unit.
Connect a grounding wire to the ground terminal on the KX-TD280 or KX-TD286.
Note
All ports of the KX-TD280 and KX-TD286 can also be used for internal ISDN lines.
For the KX-TD816, jack numbers S05 and S06 of the KX-TD286 are fixed as internal
ISDN lines. To connect internal ISDN lines, refer to Section 3.2.3 Internal ISDN
S0 Line Connection.
← From NetworkTo the unit ←
TB
TA
RA
RB
RB
RA
TA
TB
1
2
Panasonic
2CO w/PFT
2CO
ISDN
Port No.1
ISDN
Port No.2
TB
TA
RA
RB
To Terminal Board or Modular
Jacks from the Central Office
To Terminal Board or Modular
Jacks from the Central Office
KX-TD286KX-TD280
Panasonic
Jack
no.
S01
S02
S03
S04
S05
S06
TB
TA
RA
RB