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6.
If a KX-TD280 / 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.
To the unit ←
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.
KX-TD280
To Terminal Board or Modular
Jacks from the Central Office
ISDN Installation
TB
TA
RA
RB
TB
TA
RA
RB
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.
RB
RA
← From Network
TA
TB
2
1
ISDN
Port No.1
ISDN
Port No.2
3.2 ISDN Line Connection
KX-TD286
To Terminal Board or Modular
Jacks from the Central Office
Jack
no.
TB
TA
S01
RA
RB
S02
S03
S04
S05
S06
121
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