Panasonic VA-123210 Installation And Programming Manual page 10

(a) If the key service unit and the exten-
sion are within 25 feet, use the cable
supplied (7 feet, 15 feet or 25 feet).
(See page 21)
(b) Station cord and Handset cord
Depending on the connection and
length, 4 types of station cords and 2
types of Mandset cords are available.
(See page 21)
(c) When the key service unit and the
extension are apart by more than 200
feet, please use quad cable. Quad
cables assure proper operation over
long distance than flat cables.
In this case, use connector
(Modu-
lar-screw).
ing cables, either of the
following can be used (
Flat cable obtainable on the market.
les ex~~a~at~~~
rng quad cable depends upon the
I
KSU
I
1
L
25 FEET
r
__-----
Max
option<
cord)
IT
200 FEET
(Max flat
cable)
MODULAR
CONNECTOR
MODULAR
CONNECTOR
up to 1100 FEET
(Max quad cable)
TERMINAL BOX
MODULAR
CONNECTOR SCREW
TERMINAL BOX
wiring length.
Make sure that the quad cables are
twisted pair or shielded twisted pair.
ate: Quad cables are not used for attach-
ing modular terminals.
lTerminall Modular Modular 1 Modular
Screw
OTE
Use the four conductor type
Use this type when the quad cable
inline coupler. and door box unit is connected.
Flat cable Flat cable Flat cable
Quad cable
COUPLlNG
OF CABLE