Northern Airborne Technology PIA01-001 User Manual
Page 6

PIA01-001 Passenger Intercom Amplifier
SM78 Installation and Operation Manual
Section 1 Rev: 1.00
Issue 1
Page 1-3
ENG-FORM: 800-0116.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
ICS Keylines (PAX1 ICS KEY through PAX6 ICS KEY)
Quantity: 6
Logic:
active LO, no external pull up required
Input Active:
≤+3 Vdc
Maximum Current:
≤10 mA
Input Protection:
diode protected to +45 Vdc maximum
Headphone Impedance Discrete Input (PHN IMPEDANCE)
Quantity:
1
8
Ω:
Logic:
active HI, no external resistor required
Input
Active:
≥+17.5 Vdc
Maximum
Current:
≤15 mA
Input Protection:
diode protected to +45 Vdc maximum
150
Ω: Logic:
active
Floating
Input Active:
No connection
Maximum
Current:
N/A
Input Protection:
diode protected to +45 Vdc maximum
600
Ω:
Logic:
active LO, no external pull up required
Input
Active:
≤+3 Vdc
Maximum
Current:
≤10 mA
Input Protection:
diode protected to +45 Vdc maximum
Microphone Impedance Discrete Input (MIC IMPEDANCE)
Quantity: 1
5
Ω:
Logic:
active HI, no external resistor required
Input
Active:
≥+17.5 Vdc
Maximum
Current:
≤15 mA
Input Protection:
diode protected to +45 Vdc maximum
75
Ω: Logic:
active
Floating
Input Active:
No connection
Maximum
Current:
N/A
Input Protection:
diode protected to +45 Vdc maximum
150
Ω:
Logic:
active LO, no external pull up required
Input
Active:
≤+3 Vdc
Maximum
Current:
≤10 mA
Input Protection:
diode protected to +45 Vdc maximum
ICS Tie Line Load Discrete Input (NAT ICS LEVEL)
Quantity: 1
2 Loads:
Logic:
active LO, no external pull up required
Input
Active:
≤+3 Vdc
Maximum
Current:
≤10 mA
Input Protection:
diode protected to +45 Vdc maximum
4 Loads:
Logic:
active Floating
Input Active:
No connection
Maximum Current:
N/A
Input Protection:
diode protected to +45 Vdc maximum