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7
Audio Sentinel
®
+ Streaming Installation and Operation Manual
INSTALLATION
Remote Control Input Connections
The Audio Se Streaming has for four remote control inputs that and accept momen-
tary contact closures, open collector, or TTL/CMOS input logic levels. Each input is pulled
high (5-volts) through a 22K resistor and is considered active/on when pulled low to ground.
For example; pulsing the “RM2” input to ground would switch the Audio Se
Streaming to Input 2 when in Manual switching mode.
The “RME” (external) 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 sustained mode the RME input will immediately trigger and switch to the back-
up source. This may be used to monitor STL or satellite squelch relay, etc.
Each remote control channel is pulled high (5-volts) through a 22K resistor.
Relay and Open Collector Connections
The K1, K2 and K3 SPDT relays provide switch position tallies for the Audio Se
Streaming. K1 is closed when Input 1 is switched to the output, K2 is closed when input 2
is switched to the output.
The Audio Se Streaming has two open collector outputs that are used to indicate
input silence alarm status. The SS1 OC indicates for Input 1 and the SS2 OC indicates for
Input 2. The open collector output will go low providing a return for an LED indicator,
TTL/CMOS logic or relay. External pull-up resistors may be required in some installations,
voltages must be limited to 6 VDC at 600 mA.
LAN / NET Jack
RJ45 Ethernet jack for 10/100baseT LAN/WAN connection.
MicroSD Card Slot
MicroSD memory card slot. Used for file storage and software updates via user-supplied
MicroSD card.
Chassis Ground (Chs Gnd)
Tie to station ground system.
Power
Connect the supplied PS-1515 +/-15 VDC switching power supply’s 3-pin AMP-style latch-
ing power connector to the unit and the power supply with domestic connector into a 120
Vac 50-60 Hz power source. International AC input power plug adapters are optional.
NOTE: Never use any type of power supply other than the specified/supplied
power supply.
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(Top row, TB2)
RM1
RM2
RM3
RME
GND
(Input 1) (Input 2)
(EXTernal)
Remote Control Inputs
(Bottom Row, TB2)
(TB3 Top)
K1NC
K1CM
K1NO
K3NC
K3CM
K3NO
(IN1 Tally)
(IN1 Tally)
(IN1 Tally)
(IN3 Tally)
(IN3 Tally)
(IN3 Tally)
K2NC
K2CM
K2NO
SS1 OC
SS2 OC
GND
(IN2 Tally)
(IN2 Tally)
(IN2 Tally)
(TB3 Bottom)
