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Chapter 2: Installation
7
CAUTION
Never install telephone wiring during a lightning
storm. Never install telephone jacks in wet
locations unless the jack is specifically designed
for wet locations. Never touch uninsulated
telephone wires or terminals unless the telephone
line has been disconnected 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 2-4.
23456781
GND GND GNDGND
AC Power
Transformer
(plug into 110
VAC outlet)
RJ11 Outlet
(for modular
telephone jack)
Modular Telephone Jack
(plug into RJ11 outlet)
Female Telephone Jack
(connect telephone here)
Figure 2-4. Installing the Telephone Line
On the back of the Model 1108 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 1108 to operate.
2.8 The Microphone
The Model 1108 is provided with a built-in microphone which
is used to monitor high sound levels produced near the installa-
tion site. The sensitivity of the microphone is configurable and
will detect a continuous as well as a beeping alarm.
Other programming options that apply to the microphone
include setting the length of time before a high sound causes an
alarm.
If this sound level exists for 8 consecutive seconds (default) or
for the programmed length of time, the Model 1108 will dial
out with an alarm message.