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190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 4
Page 5-5
5.2
ADS-B Board Connector – P3252 (GTX 345 Only)
Table 5-2 P3252 Connector
An asterisk (*) following a signal name denotes the signal is an Active-Low discretes, requiring a ground
to activate. If there is no asterisk, the signal is an Active-High.
Pin
Pin Name
I/O
1
ETHERNET OUT 1B
O
2
ETHERNET IN 1B
I
3
ETHERNET OUT 2B
O
4
ETHERNET IN 2B
I
5
RS-232 OUT 4
O
6
ETHERNET OUT 1A
O
7
ETHERNET IN 1A
I
8
ETHERNET OUT 2A
O
9
ETHERNET IN 2A
I
10
RS-232 IN 4
I
11
RS-422 A
O
12
RS-422 B
O
13
CONFIGURABLE DISCRETE 11*
I/O
14
CONFIGURABLE DISCRETE 12*
I/O
15
RS-232 GND 4
--
P
N
N
T
N
N
P
R
P
P
5
1 0
G ro u n d
B
I/O
I/O
A
1 5
1
ETHER
N
ET OUT 1
6
1 1
R
S-232 O
U
T
ETHER
N
ET OUT 2
ETHER
N
ET IN 2
ETHER
N
ET IN 1
Dis
crete
I/O (1
1)
Dis
crete
I/O (1
2)
R
S-422
V IE W IS L O O K IN G A T T H E B A C K
O F T H E U N IT