Sensaphone® Model 1104 User’s Manual
2.7 Telephone Line
The Model 1104 will operate with all standard telephone systems that accept pulse or tone dialing. The Model 1104 cannot be used on an extension line to dial its own telephone number. Also, it may not be installed on a party line or pay telephone line.
Certain private telephone systems and public switching equipment may not accept the Model 1104 dialing or may generate an unacceptable ring signal. In those cases, a dedicated line may be required. Consult the supplier of your telephone system if you encounter problems.
If you do not have a modular telephone extension at the Model 1104’s location, you must contact your local telephone company to have one installed (there is a charge for this service). If you have
CAUTION
Never install telephone wiring during a lightning storm. Never install telephone jacks in wet locations unless the jack is specifically designed for wet loca- tions. Never touch uninsulated telephone wires or ter- minals unless the telephone line has been disconnect- ed at the network interface. Use caution when installing or modifying telephone lines.
To install the telephone line, plug the modular telephone jack provided into any standard RJ11 phone outlet.
Refer to Figure
AC Power
Transformer (plug into
120 VAC outlet)
RJ11 Outlet
(for modular 
telephone jack)
Modular Telephone Jack (plug into RJ11 outlet)
GND
1
GND 2 GND 3 GND 4
Female Telephone Jack (connect telephone here)
Figure 2-4. Installing the Telephone Line
On the back of the Model 1104 is a female telephone jack. This is provided so that a telephone or other answering device may be used on the same line as the unit. It is not necessary to hook up a telephone for the Model 1104 to operate.
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