Panasonic KX-FB421 - Manual (Page 20)

Connections and Setup
20
For fax advantage assistance, call 1-800-435-7329.
Case 3: Fax machine and telephone share a single
line (one phone number); Fax seldom used
Your situation
You wish to use the fax machine and an
extension telephone in a different room. Most
calls are phone calls and the fax machine is
mostly used to send documents.
Telephone wiring image in
house or office
Connections
Room
Extension
telephone
Fax machine
Room
Telephone
line cord
To a single
telephone line
jack (RJ11C)
To a power
outlet
(120 V, 60 Hz)
Power cord
Connect to LINE.