ERU50-001 Emergency Relay Unit
SM83 Installation and Operation Manual
Installation and Operation Manual
Issue 1.01
Page 1-2
CONFIDENTIAL AND PROPRIETARY TO COBHAM
Input Signals
Microphone Inputs
Quantity:
2
Circuit Type:
Differential, passive feed through
Rated Level:
30 Vrms maximum
Maximum Current:
1A maximum
Headphones Inputs
Quantity:
2
Circuit Type:
Differential, passive feed through
Rated Level:
30 Vrms maximum
Maximum Current:
1A maximum
Transmit Key Inputs
Quantity:
2
Maximum Current:
1A maximum
Intercommunication System Key Inputs
Quantity:
2
Maximum Current:
1A maximum
ERU Status Discrete Selection
Quantity:
1
Maximum Current:
1A maximum
AMU ACP 3 Power
Quantity:
1
Rated Input Level:
30 Vdc maximum
Maximum Current:
1A maximum
ACP 3 NORM Mode
Quantity:
1
Rated Level:
Active low, <15 mA
Input Protection:
Diode protected to +28 Vdc maximum
Output Signals
Microphone Outputs
Quantity:
2
Circuit Type:
Differential, passive feed through
Rated Level:
30 Vrms maximum
Maximum Current:
1A maximum
Headphones Outputs
Quantity:
2
Circuit Type:
Differential, passive feed through
Rated Level:
30 Vrms maximum
Maximum Current:
1A maximum
Transmit Key Outputs
Quantity:
2
Maximum Current:
1A maximum
