Avidyne DC50 Datalink Coupler Installation Manual
Page 9
P/N 600-00082-000 Rev 04
3 Installation Procedure
3.1 Coupler Wiring and Installation
This installation procedure assumes the datalink transceiver has been
installed. If the datalink transceiver has not been installed, and the
coupler is being installed for datalink provisions, install the 50 Ohm
Termination, Minicircuits BTRM-50, shipped in the install kit as described
in step 8.
The following hardware is recommended to complete the installation.
Ref.
Des.
Vendor
Part
Number
Description
P1
Positronic
SD9F10G00
9 Pin Female D Shell
Connector
J1
Pasternack PE4044
Right Angle BNC Dual Crimp
Connector (RG400)
J3
Pasternack PE4044
Right Angle BNC Dual Crimp
Connector (RG400)
J5
Pasternack PE4044
Right Angle BNC Dual Crimp
Connector (RG400)
All installation and modifications accomplished should be compliant with
AC 43.13
–1B and –2A.
1. Ensure power is removed from all applicable avionics. (Turn off
avionics master and aircraft master switches.)
2. Remove the VHF radio that will be connected to the coupler, and
disconnect the antenna cable and the connector supplying power
and Push-to-Talk (PTT).
3. Connect Pin 1 on connector P1 of the coupler to the circuit
breaker for the comm, or spliced into the comm power circuit
connected to that breaker. The wire gauge should be sized to
carry the full load of the circuit breaker.
4. Connect Pin 8 on connector P1 of the coupler to suitable aircraft
ground.
5. Connect Pin 5 on Connector P1 of the coupler to the PTT
discrete of the interfacing comm, which may be connected
