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4
2. Installation Procedures
The Quadro NMEA Concentrator is illustrated in
Figure 2
. It has two BNC coaxial
connectors that link the Concentrator to the QNS bus and a 16-pin terminal strip to
connect to other NMEA navigation devices. Connections are listed in
Table 1
.
Figure 2. Quadro NMEA Concentrator Unit
Table 1. Concentrator Terminal Connections
Pin #
Function
1
+12 Vdc @ 2.5 A supply to external equipment
2
External equipment return
3
NMEA 3 input (POS) - lowest input priority
4
NMEA 3 input (NEG)
5
NMEA 2 output (POS) - outputs all input sentences
6
NMEA 2 output (NEG)
7
NMEA 2 input (POS) - highest input priority
8
NMEA 2 input (NEG)
9
(not used)
10
(not used)
11
NMEA 1 input (POS) - direct access to QNS bus
12
NMEA 1 input (NEG)
13
NMEA 1 output (POS) - outputs follow input priorities
14
NMEA 1 output (NEG)
15
+12 Vdc power input to Concentrator
16
Input power return