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ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev G
FFS Copyright © 2016 All rights reserved.
12-11
12.7.11 Wi-Fi Module or Maintenance Port Interface
The Wi-Fi Module interface is used to connect to the FWF-125 Wi-Fi Module (FDL-978-XVRL
only) for receiving ADS-B TIS/FIS data wirelessly on the pilots PED (e.g. iPad or Android
device) through a Wi-Fi connection. An Android tablet ADS-B MPI application can also be used
to configure the system and check system installation status through the Wi-Fi module. The Wi-
Fi module interface pins are as follows:
J1 - Power and I/O Connector (DB-44)
PIN
SIGNAL
ELECTRICAL
I/O
DESCRIPTION
26
Wi-Fi Module
Input
RS-232
I
Wi-Fi Module or MPI RS-232 Data In
42
Wi-Fi Module
Output
RS-232
O
Wi-Fi Module or MPI RS-232 Data Out
19
Wi-Fi Data Gnd
Serial
Ground
Gnd
Wi-Fi Data Ground
When installing the FDL-978-TXL Transmitter, which does not include a Wi-Fi module, a female
DB-9 connector should be mounted in the aircraft for easy Maintenance Port Interface (MPI)
access.
Refer to Section 2.5.10 for further details on the MPI connector.
12.7.11.1
Initial MPI Connection
Once connected to the MPI with a serial or Wi-Fi connection, press the Enter key three times
to remove the maintenance lockout. The following prompt should be displayed:
RANGR-XVRL>
FDL-978-XVRL
RANGR-TXL>
FDL-978-TXL
12.8 TC978 Controller Electrical Connections
Refer to Section 2.6 - TC978 Controller Electrical Connections.
12.9 Wiring Considerations
Refer to Section 2.9 - Wiring Considerations.
12.10 UAT Antenna Installation
Refer to Section 2.10 - UAT Antenna Installation.
12.11 Configuration and Checkout
Refer to Section 3.1 - General and Section 3.2 - Preliminary Checkout.