Garmin GTN 635 Installation Manual page 67

5.2.4.2 Serial Data Electrical Characteristics
5.2.4.2.1 RS-232
RS-232 OUT 1
RS-232 IN 1
RS-232 GND 1
RS-232 OUT 2
RS-232 IN 2
RS-232 GND 2
RS-232 OUT 3
RS-232 IN 3
RS-232 GND 3/4
RS-232 OUT 4
RS-232 IN 4
The RS-232 outputs are compatible with EIA Standard RS-232C with an output voltage swing of at least
±5 V when driving a standard RS-232 load.
5.2.4.2.2 ARINC 429
ARINC 429 OUT 1A
ARINC 429 OUT 1B
ARINC 429 OUT 2A
ARINC 429 OUT 2B
ARINC 429 IN 1A
ARINC 429 IN 1B
ARINC 429 IN 2A
ARINC 429 IN 2B
VOR/ILS ARINC 429 OUT A
VOR/ILS ARINC 429 OUT B
VOR/ILS ARINC 429 IN A
VOR/ILS ARINC 429 IN B
The ARINC 429 outputs conform to ARINC 429 electrical specifications when loaded with up to five
standard ARINC 429 receivers.
GTN 625/635/650 TSO Installation Manual
190-01004-02
Pin Name
Pin Name
Connector Pin
P1001 8
P1001 27
P1001 46
P1001 7
P1001 26
P1001 45
P1001 6
P1001 25
P1001 44
P1001 5
P1001 24
Connector Pin
P1001 10
P1001 29
P1001 9
P1001 28
P1001 48
P1001 67
P1001 47
P1001 66
P1004 24
P1004 23
P1004 36
P1004 35
I/O
Out
In
--
Out
In
--
Out
In
--
Out
In
I/O
Out
Out
Out
Out
In
In
In
In
Out
Out
In
In
Page 5-11
Rev. C