Specifications

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5
Site Sentinel
®
16 Installation and Operation Manual
INSPECTION
INSPECTION
Please examine your Site Sentinel® 16 carefully for any damage that may have been sustained
during shipping. If any is noted, please notify the shipper immediately and retain the packaging
for inspection by the shipper. The package should contain the Site Sentinel® 16, this manual
and/or CD, 7 foot BLUE straight-through CAT 5 cable, 7 foot GRAY crossover CAT 5 cable and
the universal regulated 12 VDC @ 2.5 amp power supply with domestic IEC power ac cord.
INSTALLATION
Surge Protection
The Site Sentinel® 16 has built-in resistance to voltage changes, we recommend that you
use a power surge protector or line conditioner on the incoming AC line. Lightning strikes
and other high surges in voltage levels will damage your Site Sentinel® 16 and connected
equipment if it is not properly protected. For lightning protection devices, check out
www.polyphaser.com and www.itwlinx.com.
UPS Standby Power System
We recommend that you connect your Site Sentinel® 16 to a UPS system. While all oper-
ating and user parameters are stored in non-volatile EEPROM, brownout conditions and
lightning induced spikes can disable or damage equipment. A UPS helps minimize the risk
to the Site Sentinel® 16 and has the added benefit that it will then be able to notify you of
the power outage by email.
Front panel indicators and controls
Name Type Description
Lower relays 16 LED’s Illuminates when the corresponding relays are activated.
Raise relays 16 LED’s Illuminates when the corresponding relays are activated.
Status Inputs 16 LED’s Illuminates when the corresponding status/logic inputs are
activated. May be configured for reverse logic.
PWR CNTR LED Illuminated when the relay is activated.
SS LED Illuminated when adequate audio is applied to the SS
Input(s), OFF when the level is too low and flashing if in
an SS alarm condition, if enabled.
PF LED Illuminated when power is applied, OFF when inadequate
DC voltage is applied to the PF jack and flashing if a
Power Failure has been detected, if enabled.
POWER LED Illuminated when valid power is applied to the power jack.
LOCAL Push Button Toggles between operate and local mode.
LOCAL LED Illuminated when the unit is in local mode (relays dis-
abled).
Blank hole Push Button Recessed push button used to reload factory defaults.
CAUTION!
Installation of the Site
Sentinel® 16 in high RF
environments should be
performed with care.
Shielded cable is sug-
gested for all monitor-
ing and control connec-
tions with all shields
tied to the station/site
ground terminal. The
station/site ground
should be connected to
either of the rear panel
(Chs Gnd) chassis 6-32
screws using an 18 or
20-gauge wire.
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