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7
Audio Sentinel
®
+»Web Installation and Operation Manual
INSTALLATION
Remote Control Connections
The Audio Sentinel® has one remote control input labelled “EXT” (external) which can
be configured for either toggle or sustained closure control. In toggle mode each time
this input is pulled to ground, the unit toggles between channels one and two. In sus-
tained mode the EXT input will immediately trigger and switch to the backup source
until released. This may be used to interface with a STL or satellite squelch relay.
The EXT remote control input is pulled high (5-volts) internally through a 10K
resistor.
The Audio Sentinel® has three relay contact closure remote control outputs. The
SPDT relay K5 is used to represent the status of the internal audio switcher. When
input channel ONE is selected (or power is removed from the unit) the NO contact
is open, while the NC contact is closed with respect to the CM contact. When input
channel TWO is selected the NO contact is closed, while the NC contact is open
with respect to the CM contact.
K3 and K4, are available for user configurable notification. The operation of the K3
& K4 DPDT relays is determined by the configuration assigned on the “Silence
Sensor Setup” page.
LAN / NET Jack
RJ45 Ethernet jack for 10/100baseT LAN/WAN connection.
Chassis Ground (Chs Gnd)
Tie to station ground system.
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