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IEC CABLE
OPTIONAL TERMINATION
RS422 TX_A AND TX_B
DB9 MALE
RS422 TX_A AND TX_B
DB9 MALE
RS422 TX_A AND TX_B
DB9 MALE
RS422 RX_A AND RX_B
DB9 MALE
RS422 TX_A AND TX_B
RS422 RX_A AND RX_B
DB9 MALE
RS422 TX_A AND TX_B
RS422 RX_A AND RX_B
DB9 MALE
RS422 TX_A AND TX_B
DATA DIRECTION
CAUTION... PINOUTS
MAY VARY WITH MANUFACTURER.
Figure 4–3. IEC Data Cable Interconnect Diagram
165M0014-10
Page 4–5
Aviation Recorders
Marine Systems
DB31
P4
5
22
3
1
RX_A
8
11
RX_B
24
5
3
3
RX_A
13
8
RX_B
5
25
3
4
RX_A
8
14
RX_B
8
7
19
2
TX_A
29
1
TX_B
5
23
3
2
RX_A
8
12
RX_B
9
7
20
2
TX_A
30
1
TX_B
5
26
3
5
RX_A
8
15
RX_B
10
7
21
2
TX_A
31
1
TX_B
27
5
6
3
RX_A
16
8
RX_B
7
N/C
17
PIGTAILS
N/C
28
N/C
18
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
NOTES:
DATA DIRECTION IS ASSUMED WITH
THE L3 COMMUNICATIONS UAIS
REFERENCED AS THE MASTER. FOR
EXAMPLE, TRANSMIT DATA
ORIGINATES FROM THE L-3 UAIS AND
RECEIVE DATA IS TERMINATED AT
THE L3 UAIS.
CHANNEL 5
CHANNEL 8
TEST_V+
7
RS232
TEST_OUT
17
TEST_GND
28
18
Initial Issue
Dec. 01/06
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