3. CONNECTING POWER
3-5
3.3
Connecting Power
3.3.1
Connecting the power cable
To connect the power cable
Do as follows to connect the power cable:
1. Connect the red (+) and black (-) wires of the power cable to the ship’s 12 - 24
VDC supply according to the recommendations in the previous sections.
2. Connect the D-sub connector on the power cable to the DC input connector on the
Communication Unit.
When switching on/off the Communication Unit to start/stop the engine of your
vessel, connect the ignition pins in the I/O connector to the ignition of your vessel.
For further information, see section 3.3.2.
For information on pinout, see section 5.3.
For specifications of the DC input on the Communication Unit, see the Operator’s
Manual (OME-57050) for FELCOM251/FELCOM501.
3.3.2
Connecting to the ignition
The Communication Unit has an ignition function. When this function is used, the
Communication Unit switches on/off when you start/stop the engine of your vessel
(provided the power switch on the Communication Unit is on; on the 19” rack version
both power switches must be on).
Note:
You must set up the ignition function in the Communication Unit. For details, see
the Operator’s Manual for your FELCOM251/FELCOM501.
To implement the ignition function, connect the appropriate pin in the I/O connector to
the ignition key switch:
• Active high (default): Connect pin 8 to "high" (12 to 24VDC (-10% to +30%)) when
the ignition is on.
For pinout, see section 5.8.
For information on the standby current when the ignition power is off, see the Opera-
tor’s Manual (OME-57050) for FELCOM251/FELCOM501.
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