Specifications

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7
Site Sentinel
®
16 Installation and Operation Manual
INSTALLATION
Connecting your Site Sentinel® 16 to external equipment.
NOTE: The Site Sentinel 16 interfaces to external equipment through removable
euroblock screw terminals. The terminals accommodate wire sizes from 16 - 28
AWG solid or stranded wire. Before installing a wire, remove the euroblock screw
terminal plug and turn each capture screw fully counterclockwise. Strip each con-
ductor to a length of 0.25” and insert the conductor fully into the terminal. Turn the
capture screw fully clockwise to secure the conductor.
Chs Gnd screws
Either 6-32 screws MUST be connected to the station/site ground system for the
proper operation of this equipment.
Power Failure Input
Connect a user supplied 5 to 12 volts DC only power source (center positive) to the
power failure input labeled PF. The barrel connector size is 2.1mm ID x 5.5mm OD. A
5 to 12 volts DC wall transformer of any current of 25 ma or more will power this input.
NOTE: The primary (120vac) of the wall transformer should be connected to
the utility company side of your service. An UPS is suggested to power the Site
Sentinel® 16 during power outages.
NETWORK connector
Connect one end of the supplied CAT5 (straight or x-over) cable to the desired ETH-
ERNET (WAN/LAN) port.
Silence Sensor Inputs
Connect your unbalanced monaural or stereo audio source to the terminals labeled
SS LT, SS GD and SS RT. The level should be between -10 and +24 dbu. The input
impedance is approximately 22K ohms. When the SS LT and/or SS RT input has
audio applied and the silence sensor function is activated, the front panel SS led will
illuminate. If the SS led is out, the signal is too low and if it’s flashing, it is in an
alarm condition (if enabled).
Power Controller Relay
The jumpers are set to provide the relay common (wiper) on the terminal labeled (JP17,
Pwr Cntlr). Please refer to the “Fractional Schematic” and/or “Ciruit Board Assembly
Drawing with Jumper Natations” in the appendix for additional jumper options.
Metering (analog) inputs
CAUTION! Metering (analog) input samples may be elevated several hundred
volts above ground on some external equipment. Permanent damage may occur to
the Site Sentinel® 16 and/or external equipment if a high voltage metering source is
connected to the Site Sentinel® 16! Failure to observe this warning may also cause
injury to the installer or other personnel. CAUTION! DO NOT CONNECT
SAMPLE VOLTAGES IN EXCESS OF POSITIVE 10 Volts DC OR DAMAGE
MAY OCCUR TO YOUR Site Sentinel® 16.
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