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Connecting the 491
to the 957/958/
6000i
491 INSTALLATION MANUAL Revision A
The connection between the 957/958/6000i and the 491 requires the
10-foot (3-meter) data cable supplied with the 491. The cable connects to
the AUX port on the back of the navigator.
The cable is shipped with the connector installed — the following infor-
mation is provided for cases where it is necessary to remove and reinstall
the connector.
Figure 9 below illustrates the wiring for the navigator end of the cable.
Table 5 describes the pin's functions.
Figure 9: Interface cable connection from 957/958/6000i to 491
Table 5: Cable connection between the 957/958/6000i and 491
navigator pin number
1*
1*
2
3
4
5
6
* Pin 1 on the 957 AUX port requires two connections from the cable.
The red wire is not connected on the navigator end, and should be insulated
and capped.
SECTION THREE — Installing the 491
Brown (pin 1)
Green (pin 1)
White (pin 2)
Blue (pin 6)
Orange (pin 5)
Violet (pin 4)
Black (pin 3)
AUX port signal name
Shield/Gnd
Remote On Gnd
Remote On input
NMEA AUX In (B)
NMEA AUX Out (A)
NMEA AUX Out (B)
NMEA AUX In (A)
Cable wire color
Brown
Green
White
Black
Violet
Orange
Blue
PAGE 17
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