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User Manual
5. C-LINK
5.1 C-LINK
C-Link system is a feature which allows to sharing the same cartographic data
between two chart plotter units (CP) linked via serial I/O port.
In order to activate C-Link function, a “MAX data C-CARD” (called REGULAR C-
CARD) must be inserted into one of the two chart plotters and a special MAX data
C-CARD (called MIRROR C-CARD) must be inserted on the other chart plotter.
The two MAX data C-CARDs must have the same code and revision. So, the
MIRROR C-CARD can be utilized only on a chart plotter linked to another chart
plotter provided with the equivalent REGULAR C-CARD.
It is important to point out that the two chart plotters must have the update s/w
versions that allow C-Link function.
How C-Link system works
When the CP is powered up, it switches into the “Stand-Alone Mode”. In this work
mode, the CP unit periodically scans all the available C-CARD slots searching for
MIRROR C-CARDs.
When one or more MIRROR C-CARD is found (in one or both CPs) a special con-
nection is established between the CPs to habilitate the MIRROR C-CARDs.
If a regular C-CARD which has previously activated a MIRROR C-CARD is re-
moved, even the MIRROR card will be not read anymore on the other unit.
C-Link serial connection
The two chart plotters should be connected via serial ports. Any of the available
ports can be used, the software will recognize automatically the serial ports used.
A typical connection is as follows:
CP1 CP2
TX —————> RX
RX <————— TX
GND <————> GND
NOTE If the serial port used for the connection is Port 1 (optoisolated) do not forget
to connect the "Input 1-" signal (Green Wire) to the GND wire.
5.2 C-LINK NAVIGATION DATA TRANSFER
This function allows transferring C-Link navigation data (Route Name, Destination
ID & Position, Next Waypoint ID & Position, Total Route length, Fuel Consumption
Rate, ETA, TTG etc.) (Hereinafter “C-Link navigation data”) between two chart
plotters linked through the C-Link system.
The chart plotters can be set to operate in two modes:
- MASTER mode (Primary Chart Plotter)
- SLAVE mode (Secondary Chart Plotter)
When the navigation is activated on the Master chart plotter, the C-Link naviga-
tion data will be continuously sent to the Slave until the navigation is active.
If the Master is navigating to a Single Destination, the Slave will show the Desti-
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