TruTrak Gemini PFD - Manual (Page 20)

20
Electrical
Pin-­‐out
P101
Pin
Function
Notes
1
Aircraft
Power
(8-­‐30
VDC)
0.2
A
@
12
V,
0.11
A
@
24
V
2
Dimmer
Control* dimmer
and
aircraft
power
voltage
must
match
Variable
voltage
input,
0-­‐30
Volts
3
RS-­232
Output
Internally
connected
to
pin
6
4
TCB-­B
1
5
TCB-­A
1
Must
be
an
unshielded,
twisted
pair.
Only
used
for
interface
to
other
TTFS
products.
6
RS-­232
Input
from
GPS
(NMEA
0183
or
Aviation
format
is
accepted
at
baud
rates
of
4800
or
9600)
7
TCB-­B
2
8
TCB-­A
2
Must
be
an
unshielded,
twisted
pair.
Only
used
for
interface
to
other
TTFS
products.
9
Ground
Connection
Rear
9-­‐Pin
Connector
P101
viewed
from
rear
of
unit