North Star GPS/WASS CHART NAGIVATOR GM9571M 用户手册
SECTION TWO: Installing and wiring the 957
Page 14
957 Installation Manual, Revision C1
Understanding the
interface connectors
All of the 957’s interface connectors are shown in Figure 6:
”Interface connectors (back of 957),” below. The function of
these connectors is described in Table 1, below.
”Interface connectors (back of 957),” below. The function of
these connectors is described in Table 1, below.
Figure 6: Interface connectors (back of 957)
NMEA connector
VIDEO connector
Power connector GPS connector
AUX connector
VGA connector
Table 1: Interface connector functions
Connector name
Connector function(s)
Connects to...
NMEA (NMEA I/O)
(18-pin port)
(18-pin port)
NMEA 1 input/output -------------->
NMEA 2 input/output -------------->
Honk alarm/200 ppnm ------------>
NMEA devices: autopilots, etc.
same as NMEA 1
Remote honk alarm (or speed indicator)
GPS (Antenna)
(7-pin RS232 port)
(7-pin RS232 port)
GPS/WAAS input/output --------->
Beacon input/output -------------->
2201 antenna
- or -
Northstar 2701 beacon receiver (optional)