Panasonic KX-TD816AL - Page 67

2-40 Installation
2.4.8 Installing Expansion Unit (KX-TD170 /
KX-TD180(D) / KX-TD185 / KX-TD280)
Note Be sure to fix the inside screw to
the main unit, or the unit may not
work properly.
5. Secure the inside screw (include) to fix
the cabinet to the main unit.
6. Prepare the required plugs. Two 4-pin plugs are included in KX-TD180(D) or KX-TD280 to
connect four CO lines. Eight 6-pin plugs are included in KX-TD170 to connect eight
extensions.
• To prepare a 4-pin plug for KX-TD180(D), perform step 1 on page 2-32.
• To prepare a 4-pin plug for KX-TD280, perform step 1 on page 2-33.
• To prepare a 6-pin plug for KX-TD170, perform step 1 on page 2-15.
7. Insert the plug into a jack on the unit.
Connect an earth wire to the earth terminal on the extension expansion unit.
† For details, refer to Section 2.5 “Power Failure Transfer Connection.”
KX-TD170
PanasonicPanasonic
D1232D1232
DIGITAL SUPER HYBRID SYSTEM
Inside screw
Panasonic
4CO
DIGITAL SUPER HYBRID SYSTEM
PFT ports
2CO w/PFT
2CO
CO5 or CO9
CO6 or CO10
CO7 or CO11
CO8 or CO12
A
B
A
B
Jack for Power
Failure Transfer †
To Terminal Board or Modular
Jacks from the Central Office
Panasonic
8EXT
DIGITAL SUPER HYBRID SYSTEM
16 or 24
(32)
15 or 23
(31)
14 or 22
(30)
13 or 21
(29)
12 or 20
(28)
11 or 19
(27)
10 or 18
(26)
9 or 17 (25)
Jack
no.
Jack
no.
P2
L
A
B
H
P1
To extensions
(jack numbers 9–16/
17–24/25–32)
Earth Terminal
KX-TD180(D)