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Sensaphone Model 4100 Instruction Manual
POWER SURGE PROTECTION
The Sensaphone 4100 can be damaged by power surges and lightning through the telephone
line and the 110 VAC power supply. Although the Model 4100 has built-in surge protection,
we recommend that additional protection be obtained for the unit and for any electronic
equipment that is attached to your power supply and telephone lines. Power surge protection
is especially important if you live in a lightning-prone area. The ISOTEL Surge Protector
Model IB-4 is available through Phonetics, Inc. See Appendix B.
POWER SUPPLY AND BACKUP BATTERY
The 4100 is provided with an AC power transformer. After mounting the unit, plug the
transformer into any standard 110 VAC outlet. The unit will say "Hello" and state any
present alarms.
The Model 4100 is equipped with a replaceable rechargeable 2.2 Amp-hour gel-cell
electrolyte battery. The battery is recharged whenever the AC transformer is plugged into an
outlet and the battery jumper is installed on terminals 15 and 16 (see below). Complete
recharge will take approximately 48 hours. During that interval, a status report may give the
"Battery Condition Low" alarm message.
BATTERY CONNECTION
A metal jumper is attached to terminal 16 (marked BATTERY) and the screw below it. See
Figure 2A. Remove the metal jumper and attach it to both BATTERY terminal screws
(terminals 15 and 16). (See Figure 2B) This will connect the rechargeable battery to the
4100. When the unit is in operation, this jumper must be connected to terminals 15 and 16
to ensure battery backup during a power failure.
Figure 2A: Battery disconnected
Figure 2B: Battery connected
For storage or shipping purposes, return the jumper to the original position.
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