2010-04-20
P/N: 240-0008-00-02
Copyright 2009-2010 NavWorx ®
Page 25 of 46
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Table 3-5: I/O Connector Pin-Out (P1)
Pin #
I/O
Name
Description
1
--
RESERVED
RESERVED
2
I
Time mark In -
ARINC 743A Time Mark In -
3
--
Ground
RS232 Maintenance Port Ground
4
I
RS232 Maintenance RX
RS232 Maintenance Port Serial Data Input
5
O
RS232 TX
RS232 Display Serial Data Output
6
--
Ground
RS232 Altitude Encoder and TIS Output Ground
7
I
Altitude Encoder RX
RS232 Altitude Encoder Input
8
O
429 OUT 1B
ARINC 429 Output Channel 1B
9
I
429 IN 1A
ARINC 429 Input Channel 1A
10
--
RESERVED
RESERVED
11
I
External PPS TTL In
External PPS TTL In
12
O
RS422 TX -
RS422 Display Channel Data Output -
13
I
RS422 RX +
RS422 Display Channel Data Input +
14
O
UAT Fail Out
UAT Fail Output (active low)
15
I
TCAS RA Active In
TCAS Resolution Advisory Active Discrete In (active low)
16
--
RESERVED
RESERVED
17
--
RESERVED
RESERVED
18
--
Power +
Main Aircraft Power Input (+9 to +36VDC)
19
--
Power +
Main Aircraft Power Input (+9 to +36VDC)
20
--
RESERVED
RESERVED
21
I
Time mark In +
ARINC 743A Time Mark In +
22
O
RS232 Maintenance TX
RS232 Maintenance Port Serial Data Output
23
--
Ground
RS232 Display Ground
24
I
RS232 RX
RS232 Display Serial Data Input
25
O
TIS TX
TIS Serial Data Output
26
--
RESERVED
RESERVED
27
O
429 OUT 1A
ARINC 429 Output Channel 1A
28
I
429 IN 1B
ARINC 429 Input Channel 1B
29
--
RESERVED
RESERVED
30
O
RS422 TX +
RS422 display channel data
31
I
RS422 RX -
RS422 display channel data input -
32
--
RESERVED
RESERVED
33
I
TCAS Operational In
TCAS Operational Discrete Input (active low)
34
I
Air/Ground In
Air / Ground Discrete Input (active low)
35
O
Suppression Output
Suppression Output (active high)
36
I
Power Ground
Main Aircraft Power Ground
37
I
Power Ground
Main Aircraft Power Ground
