Becker Avionics
General Description
Technical Data
DV64460.03 Issue 11 January 2019
REU6100
27
Intercom Operation
REU6100
Specifications (Intercom Operation)
Number of participants
up to 6 clients directly connected plus clients connected
to IC line
VOX threshold (adjustable)
10…100 mV (standard mike)
50…500 µV (dynamic mike)
VOX hold time
0.5…3 s, adjustable
Distortion
≤
2.5% @1 kHz
Frequency response
300 Hz…6 kHz (0/-3 dB)
Signal-to-noise ratio
≥
60 dB
Input/output voltage on IC-ring audio lines 775 mV / 0 dBm
Input/output impedance of IC-ring audio
lines
600
Ω (must be terminated)
Priority muting during transmission
≥
80 dB
Intercom switch-off attenuation
≥
80 dB
Intercom circuits
cockpit / cabin / 3
rd
-IC-circuit
Call activation or discrete input
CALL button (selectable)
Quit function connection/separation of
IC-circuits
ISOL button (selectable)
Build In Test Equipment (BITE)
REU6100
Specifications (Build In Test Equipment (BITE)
Power On BuiId-In Test (PBIT)
Activation
Start automatically with power on
Test scope for REU, all ACUs and EM6100
if connected
Controllers and memories, tone generator, headphone
and speaker amps., power supply
Indication system under test
Test LED lights up on ACU610X
Duration
max. 5 s
Test result output
GO:
After test is finished, the test LED is off
(The system operates in normal mode after successful test)
NOGO: The test LED flashes
Continuous Build-In Test (CBIT)
Activation
Permanently active coverage, controllers and data
transfer
Failure indication
Optical; TEST LED flashes and can be reset on
ACU610X, if no fatal error
Initiated Build-In Test (IBIT)
Activation
Push the TEST button on ACU610X
Build-In Test Representation
Test running indicator
Test LED lights up
Test result output
GO:
The test LED is off
NOGO: The test LED flashes
•
A short push of the test button acknowledge the failure indication.
•
The last 10 IBIT results are stored in a non-volatile memory and can be read out with the
configuration software.
•
For REU6100-X-(3XX) variant with glass cockpit, please see related glass cockpit manual for
test activations and indications.
