abaco systems CEI-520 - CEI-420;420 A ARINC Connector Pin out; Table 20. CEI-420;420 A P3 Front View

Installation Configuring the CEI-420 and CEI-420A
CEI-100/CEI-200/CEI-x20 User’s Manual 27
CEI-420/420A ARINC Connector Pin Out
To couple the CEI-420/420A to ARINC devices use connector P3, a 40-
pin IDC-style connector (AMP part number 102160-9). To connect the
discrete I/O pins use connector P4, a 20-pin IDC-style connector (AMP
part number 102160-4). The connector pin numbers are listed below.
Table 20. CEI-420/420A P3 Front View
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
 Board Edge 
Pin
Signal
Pin
Signal
1
TX1+
2
TX1-
3
TX2+
4
TX2-
5
TX3+
6
TX3-
7
TX4+
8
TX4-
9
TX5+
10
TX5-
11
TX6+
12
TX6-
13
TX7+
14
TX7-
15
TX8+
16
TX8-
17
RX1+
18
RX1-
19
RX2+
20
RX2-
21
RX3+
22
RX3-
23
RX4+
24
RX4-
25
GND
26
GND
27
RX5+
28
RX5-
29
RX6+
30
RX6-
31
RX7+
32
RX7-
33
RX8+
34
RX8-
35
GND
36
GND
37
38
39
40
For external wrap, connect each transmit signal to the corresponding
receive signal (e.g., TX1+ to RX1+, TX1- to RX1-, etc). Use the AMP
connector, part number 102387-9, with contacts 1-87309-4.
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