Panasonic Easa-Phone VA-123210 Installation Manual page 9

Make connections between the KSU, Key TEL and the central office/PBX line (CO/PBX) according to the following procedure.
Connect COL No. 1 through No. 8
jacks provided inside the KSU to the
CO/PBX line, respectively.
onnect EXT No. IO through No. 33
is desirable to use an LCD
display type key telephone (VA-1 2022
43) that is used for the
ING purpose described
later. (see page 28.)
a Push in the cables from the top of
the cable guide.
c$ Remove the clamp plate, insert
the cords, then reinstall the clamp
plate over the cords and secure
into place with the screw.
Keep the loop wire resistance to the
key telephone furthest from the key
service unit less than 40 ohms. (Max.
1100 feet with 22 AWG cable)
Do not wire the telephone cabls in
parallel with the AC power source,
s
computer, telex etc. If the cables run
near those wires, shield the cables
within metal tubing or use shielded
cable and ground the shields.
When cables run on the floor, use pro-
tectors or the like to protect the wires
where they may be stepped on. Avoid
wiring under carpets.
When using an AC power supply (AC
12OV), make sure the unit is ground.
To key telephone