POWERFLARM FUSION
INSTALLATION MANUAL
Date: 2020-11-10
Version: 1.0
Page: 17 of 38
FLARM Technology Ltd
Hinterbergstrasse 15
CH-6330 Cham
Document Number:
FTD-077
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)
Plug (cable)
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 su5 V DC
9: Fusion su3 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.
