J301A-001 Audio Controller
Installation and Operating Manual
Rev A
Page 5
INTERCOM HI / LO Circuitry Type
single ended
PVT INTERCOM Circuitry Type
single ended
Fade-in duration for PHN Audio output music signal
2.5
±
1.0 s
VOX Threshold control range
-30 to +12 dB
VOX Off Delay Time accuracy shall be
± 0.25 s
Receive Audio detect threshold control range, relative to
rated receive audio input
-36 to -12 dB
1.4.1.4
Discrete Signals
Active low control input, active signal level
≤
+3 Vdc
Active low control input, inactive signal level
≥
+10 Vdc
Active low control input, current
0.1 to 10 mA
Active low control output, active output
≤
+2 Vdc
Active low control output, active, current
≤
1 A
1.4.1.5
Lights Input
LIGHTS INPUT ranges
0 to 28, 0 to 14 and 0 to 5 Vdc
LIGHTS INPUT current
≤
10 mA max.
1.4.2
Mechanical Specifications
Height
2.625 in [67.7 mm] max
Behind panel depth
3.42 in [86.9 mm] max
Faceplate width
5.75 in [146 mm] max
Behind panel width
4.92 in [125 mm] max
Weight
1.64 lb [0.74 kg] max
Material
brushed aluminum with conversion
coating
Connectors (5):
Main
J1
One 50-pin D-Sub male
Direct Audio
J2
One 15-pin D-Sub male
Expansion
J3
One 25-pin D-Sub male
Music/Configuration
J4
One 4 pole 3.5mm stereo jack
Chassis Ground
J5
One 4-40 stud
Mounting
4 Dzus fasteners
Bonding
≤
2.5 m
Ω
Installation kit part number
INST-J301A
Faceplate
white legends on black
1.4.3
Flammability of Materials
The J301A-001 complies with the requirements of RTCA/DO-160G Sec 26.3.3 "Flammability", through equivalent
flammability testing of materials and the Small Parts Exemption.
