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• If a low resistance exists between the two cores, this may indicate the cores are
connected to circuits or units with low internal resistance. If this is the case,
disconnect the cores from the terminal block and test again.
• The resistance should be nearing ∞ ohms.
5
Tell your assistant to short the two cores together. Repeat the previous test.
• The resistance should be 0 (zero) ohms.
6
Tell your assistant to remove the shorting strap.
• Check that the resistance reaches ∞ ohms again.
7
Check each core’s resistance to ground, and each core’s resistance to all the other
cores in the cable.
• All results should be close to ∞ ohms.
8
Assuming the test results are correct, the cores must be reconnected to the terminal
block (if they had been removed), and the terminals checked to ensure they are tight.
9
On completion, move on to the next pair of cores and repeat the tests until the
entire cable has been checked.
Operational voltages
Check that the operational voltages on the equipment match the power available on
the vessel.
Applying mains power to the transceiver
We recommend to turn the transceiver mains switch OFF before applying power.
WARNING
Too high input voltage(s) may cause serious damages to many components in
the cabinet.
Caution
Always turn the transceiver mains switch OFF before applying power. Before turning the
mains switch on, make sure the input voltages at the test points are within specifications
220-240 VAC.
Caution
Only when all 230 VAC input voltages are verified to be within specifications, the main
switch can be turned ON.
Note
This requirement also applies to transceivers powered by 3-phase 400 VAC.
Summary of Contents for SBP 29
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