14
Ground screw terminal
– This terminal is used to connect the unit to the site’s electrical ground. It is of utmost importance
to provide an excellent ground to the unit in order to avoid or limit damage caused by lightning strikes or electrical problems.
Telephone line
(requires a Davicom modem installed inside the unit) - Connects the unit to a phone line for remote access
by computer or by using DTMF tones. It also allows the unit to send alarm calls by modem or voice.
Power Fail (P.F.)
- Monitors the presence of the main AC utility power through the use a small external AC adapter. When
the voltage derived from the main AC utility power falls below a specific level, this input will change level from normal to
active. It can be set to trigger alarms and advise users that a power outage occurs at the site.
THIS IS NOT THE UNIT’S
POWER SUPPLY INPUT.
Protection fuse
- 3-amp fuse protection on power supply input.
DC input power jack
– An XLR connector provides power to the unit. The power rating is either 12 VDC @ 3 Amps, but
any voltage between 10 and 15 VDC can be used.
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