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AES Audio Sentinel 4» Web Installation and Operation Manual
INSTALLATION
Installation/Operation
The AES Audio Sentinel® 4 is configured and monitored over Ethernet using its
web browser interface. The slow blinking front panel “Power” LED indicates valid
power and proper operation. The front panel is equipped with LEDs to indicate input
sample rate, error, silence alarm, out of phase alarm or valid activity audio.
Front Panel:
LED Indicators
“Power” LED: Flashes when power is applied and operational. (Green)
“ACT” Activity LEDs: Lit when the input channel audio is above the silence thresh-
old. (Green)
“SS/Ph” LEDs: Lit when the input is in silence alarm, or stereo out of phase alarm.
(Red)
“32k” “44.1k” “48k” LEDs: Illuminate to indicate AES sample rate detected on
input.
“ERR” Error LED: Lit = AES not detected or invalid data on input. (Red)
Defaults Button
The defaults button is located behind a recessed opening to left of the front panel
Power LED. To reset the unit to default settings, apply power and wait for the Power
LED to begin flashing normally then hold down the defaults button for 10 seconds.
Releasing the defaults button will trigger a reset to defaults.
Rear Panel:
Chassis Ground screw (CHS GND)
The #4-40 sized chassis ground screw should be tied to the station (house) or sys-
tem ground.
LAN / NET Jack
RJ45 Ethernet jack for 10/100baseT LAN/WAN connection.
AES/EBU Inputs
The AES Audio Sentinel 4’s four AES inputs are 3-pin XLR-F jacks labelled “AES
In 1” “AES In 2” etc. Each input feeds a DAC with stereo silence, phase, and AES
error detector.
XLR Connector Pinout
The AES Input XLR connector pinouts conform to 3-pin XLR wiring standards:
Pin 1 = Ground/shield. Pin 2 = Positive. Pin 3 = Negative.
For AES/EBU signals please use AES/EBU digital audio qualified cable.
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