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Wiring | MX610/MX612 Operator and Installation Manual
Central alarm panel with direct I/O interface
The interfacing described below applies for central alarm panels that use direct lines for alarm,
mute and acknowledge. For alarm panel using serial interface, refer to “IEC61162-1/2 (NMEA
0183) Devices” on page 79.
From the MX610/MX612 unit we are using the same two wires (red and blue) as for external
alarm relay connection.
Under normal operation you will see 12/24 V between these two wires. In an alarm situation,
or when power is lost, you will see no voltage.
12 - 24 V DC
+
_
CENTRAL ALARM PANEL
BATTERY+ (12 - 24 V DC)
ALARM
1
4
3
2
External alarm wiring Connection
Pin Color Description
1 Black Battery (-)
2 Blue External Alarm
3 Yellow External MOB
4 Red Battery (+), 12 - 24 V DC
Printer interface
Printer Ouput Control
The printer output is simple ASCII text designed to operate on any thermal printer. Printer
output is available on any NMEA ports of the MX61xJB junction box except ports 3 & 4. These
are ports used for antenna connection. The baud rate of the output is selectable from 4800
or higher. Because the MXJB ports are RS-422, it needs to be converted to RS-232 using a
converter (B&B 422LP9TB model). Please refer to the diagram for connections.
A sample of the printer output is given below:
Simras MX610/612 Navigation System
===========================
17:29:42 UTC 14 1 2015
Diffrential GPS Fix
Latitude: 33 48.5085’ N
Longitude: 118 21.0115’ W
COG: 300 SOG: 10.01 kn
1
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