L3 Technologies AIS User Manual
Marine Systems
Aviation Recorders
Rev. 02 Page 3--8
July 29/03
July 29/03
Automatic Identification System
4
2
7
9
8
6
1
3
5
Pilot Port Connector
9
2
1
7
8
5
6
3
4
Reserved Do Not Connect
WHT TXA
BLK TXB
GRN RXA
BLK RXB
SHIELD
72 in.
¦
2
1.8 m
¦
0.05 m
Reserved Do Not Connect
Reserved Do Not Connect
Reserved Do Not Connect
Figure 3--5. Pilot Port Cable
NOTE:
A Digital Volt Meter may be used to determine the “A” and “B”
polarities. A negative voltage when referenced to ground would
indicate “A”, while a postive voltage when referenced to ground
would indicate “B”.
polarities. A negative voltage when referenced to ground would
indicate “A”, while a postive voltage when referenced to ground
would indicate “B”.