ADS-B FDL-DB Dual Band Series
Installation Manual
Document No. 88552 Rev A
2-32
FFS Copyright © 2020 All rights reserved.
2.8
Personality Module Installation
The PM is intended to be installed inside the DB-44 connector backshell of the cable harness in
the aircraft. The PM allows the FDL-DB Series and the TC978 to be removed and replaced
without having to re-configure the system.
The following install kit parts from the FDL-DB Series PM Install Kit
(P/N 87002-20)
are used to
install the personality module in the backshell:
Item
Qty
Description
1
1
Personality Module (P/N 85945-20-B)
2
6
Pin Contact, Crimp 24-28 AWG (P/N 86967)
2
6
Pin Contact, Crimp 24-28 AWG (P/N 83145)
3
1
Double-sided Adhesive Tape (P/N 87006)
The following table shows the PM wire color connections to the DB-44 connector:
Personality Module Interface
PIN
SIGNAL
ELECTRICAL
I/O
DESCRIPTION
PM WIRE COLOR
J1-14
Vpm
3.0 -3.6 VDC
O
Personality Module Power
Red
J1-36
GND
Ground
Gnd
Personality Module Power Return
Black
J1-55
CLK_PM
I
2
C
O
Personality Module Clock
Blue
J1-56
DATA_PM
I
2
C
I/O
Personality Module Data
White
The PM should be assembled into the backshell of the DB-44 male connector in the aircraft
wiring harness as follows:
1. Strip 1/8 in of the insulation from each of the four wires of the PM.
2. Crimp pin contacts onto each of the four wire of the PM.
3. Insert crimped pins into the DB-44 connector housing according to the table above.
4. Adhere one side of the double-sided tape pad to the PM as shown in and the other side
should be adhered to one side of the connector backshell as the connector and
backshell are assembled together.
