User Manual

OPERATION AND INSTALLATION MANUAL
KVJEVR718
Enhanced VHF Radio
EVR716
23-11-02
Page 20-7/20-8
2000/02/15
The links with the aircraft environment are distributed as follows:
− Antenna Input/Output via a coaxial insert located in the lower part of the rear connector.
− Power supply inputs.
− Discrete Inputs/Outputs.
− Serial ARINC 429 link (four low speed inputs and one output, three high speed inputs and
two outputs).
2. Electrical Power Supply
The EVR716 transceiver is directly connected to the aircraft 28 VDC primary power supply via
the aircraft switchboard.
3. ARINC 429 Links
The EVR716 transceiver has four links by ARINC 429 bus:
− a link with the frequency selection equipment, two low speed inputs (MP7A/B, MP11A/B),
− a link with ARINC 615-1 software downloading system, one high speed input and one high
speed output (MP2C/D, MP4C/D),
− a link with the OMS/CFDS on-board maintenance systems, two low speed inputs and one
low speed output (MP6A/B, MP6C/D, MP14C/D),
− a link with the (C)MUs, two high speed inputs and one high speed output (MP12A/B,
MP12C/D, MP10C/D).