Connector Pinout Information
190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 9
Page 5-9
5.7
Serial Data Interfaces
5.7.1 RS-232
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. The RS-232 inputs and outputs can be configured for different functions depending on
the installation. Refer to section 6.5. Pins P3252-5, -10, and -15 are on the GTX 345 only.
Table 5-9 RS-232 Inputs and Outputs
Pin Name
Connector
Pin
I/O
RS-232 OUT 1
P3251
9
O
RS-232 IN 1
P3251
31
I
RS-232 GND 1
P3251
52
O
RS-232 OUT 2
P3251
8
O
RS-232 IN 2
P3251
30
I
RS-232 GND 2
P3251
51
--
RS-232 OUT 3
P3251
7
O
RS-232 IN 3
P3251
29
I
RS-232 GND 3
P3251
50
---
RS-232 OUT 4
P3252
5
O
RS-232 IN 4
P3252
10
I
RS-232 GND 4
P3252
15
O