Panasonic KX-TD1232E, Installation Manual

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2.4.6 Installing Expansion Unit
2-40 Installation
■
If a KX-TD280 / KX-TD286 is to be installed:
6-1. 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 CO lines.
6-2. Insert the plug into a jack on the unit.
Connect an earth wire to the earth terminal on the KX-TD280
or KX-TD286.
Notes • 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 2.4.7 “Internal ISDN Line Connection.”
←
From Network To the unit
←
TB
TA
RA
RB
RB
RA
TA
TB
1
2
P
an
as
on
ic
Jack
no.
S01
S02
S03
S04
S05
S06
TB
TA
RA
RB
To Terminal Board or Modular
Jacks from the Central Office
KX-TD286
P
an
as
on
ic
IS
D
N
D
IG
IT
A
L S
U
P
E
R
H
Y
B
R
ID
S
Y
S
T E
M
P
FT
p
ort
s
2C
O
w
/P
FT
2C
O
ISDN
Port No.3 or 5
ISDN
Port No.4 or 6
TB
TA
RA
RB 2S
O
To Terminal Board or Modular
Jacks from the Central Office
KX-TD280