D-Sub De-9 - Power, Data, And Audio Connections - FLARM POWERFLARM FUSION Installation Manual

FLARM Technology Ltd
Hinterbergstrasse 15
CH-6330 Cham
2.4.7 D-sub DE-9 – Power, Data, and Audio Connections
Connecting power to an incorrect pin will burn the circuit
boards, make the device unusable and void any warranty.
The 9-pin DE-9 connector is shown below. On the left side, the female socket on
Fusion is shown. On the right side, the male plug (on the cable) is shown.
Socket (device)
1: Audio OUT (referenced to GND)
2: TX, Fusion sends (RS-232)
3: RX, Fusion receives (RS-232)
4: Do not connect
5: GND
6: Do not connect
7: +12 to +32 V DC power supply
8: Fusion supplies +5 V DC
9: Fusion supplies +3 V DC for display
Do not connect more than one external application to the RS-232 port.
Maximum current on pin 9: 200 mA @ 3 V DC; independent of pin 6 of the RJ45
connector.
Maximum current on pin 8: 700 mA @ 5 V DC; shared with the USB port.
Note: If using 5 V DC (pin 8) and USB at the same time, the shared maximum
700 mA applies.
POWERFLARM FUSION
INSTALLATION MANUAL
Plug (cable)
Date: 2020-11-10
Version: 1.0
Page: 17 of 38
Document Number:
FTD-077