54
MX 420 Installation and Service Manual
the chart below. Refer to figures 4.14, 4.15 and 4.16 for the MX421 antenna wiring
diagrams.
MX421 Smart Antenna Configurations
8-Pin Conn.
10-Pin Conn. (MX421-10)
Pin
#
Wire
Color
MX421
GPS
MX421B
DGPS
MX421-10
GPS
MX421-10B
DGPS
1
BLK/
SHIELD
Negative Ground
2
RED
+10.5 ~ 32 VDC
3
BLU
MX Marine Proprietary Message (LPM) In (-)
4
BRN
MX Marine Proprietary Message (LPM) In (+)
5
ORG
GPS Out (-)
6
GRN
GPS Out (+)
7
YEL
N/C
Beacon Status
Out (-)
RTCM In (-)
Beacon Status
Out (-)
8
WHT
N/C
Beacon Status
Out (+)
RTCM In (+)
Beacon Status
Out (+)
9
PRPL
N/A
N/A
1 PPS (+)
10
PRPL/
GRY
N/A
N/A
1 PPS (-)
Antenna Cable Options
The antenna cable is not provided with the MX421 antenna. The installer has to
determine the length needed and specify the length when ordering the cable. The
following cable lengths are available:
•
15 meter, twisted pair, 10-lead cable -- P/N 725637
•
20 meter, twisted pair, 10-lead cable -- P/N 3508 102 70170
•
40 meter, twisted pair, 10-lead cable -- P/N 3508 102 70180
•
90 meter, twisted pair, 10-lead cable -- P/N 3508 102 70190
External Differential Connection
Differential corrections from an external beacon receiver can only be connected to
the MX421-10 GPS model. Connections are done directly through Pins 7 (yellow)
and 8 (white) of the MX421-10 antenna cable. It will accept the RTCM SC-104
signal at 4800 baud.
MX420 NAVIGATOR INSTALLATION
The
Navigator
or CDU is the primary unit with the integrated display and keypad.
The navigator can be mounted using one of three techniques:
•
Gimbal mount (supplied)
•
Flush mount (supplied)
•
Frame mount (optional)
Summary of Contents for MX420
Page 1: ...Installation Service Manual MX420 Navigation System ...
Page 5: ......
Page 8: ...1 MX 420 Installation and Service Manual List of Components SECTION 1 LIST OF COMPONENTS ...
Page 9: ...MX 420 Installation and Service Manual List of Components 2 ...
Page 15: ...MX 420 Installation and Service Manual List of Components 8 ...
Page 17: ...MX420 Installation and Service Manual Technical Specifications 10 ...
Page 24: ...17 MX420 Installation and Service Manual SECTION 3 MECHANICALAND INSTALLATION DRAWINGS ...
Page 25: ...18 MX420 Installation and Service Manual ...
Page 32: ...25 MX420 Installation and Service Manual SECTION 4 ELECTRICALINSTALLATION DRAWINGS ...
Page 33: ...26 MX420 Installation and Service Manual ...
Page 49: ...42 MX420 Installation and Service Manual ...
Page 57: ...50 MX 420 Installation and Service Manual SECTION 5 INSTALLATION NOTES ...