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82
Chapter 3
Installation
3
• Performance:
Interference free communication between BDU
/Terminal and ADU.
A proper grounding of the system will enhance RF immunity thus
ensuring interference free modem communication between
BDU /Terminal and ADU. This modem communication is
essential for the performance of the SAILOR FleetBroadband
system.
3.5.5 BDU /Terminal power connection
The SAILOR FleetBroadband systems need to be connected
to nominal input power 12VDC /24 VDC (10.5 - 32 VDC; 14A -
5.5A).
Whether the SAILOR FleetBroadband system is connected to the
vessels own DC supply or to a Power Supply, this power delivery
should be stable and noise free.
The length of the power cable depends on the type of cable used
and the source impedance of the DC power installation in the
vessel.
The maximum allowed source impedance depends on the
utilization of the power range of the terminal DC input (10.5 -
32 V DC; 14 - 5.5 A). Select a power outlet from the DC system
and measure the source impedance of the ship installation
as described in “Measuring the ship source impedance” in
Chapter 3 and Appendix B in the Installation Manual.
Connect the power cable
• Connect the delivered power cable (length = 1 m) to the
supply power of the vessel or a Power Supply, according the
recommendation in the previous chapter.
Figure 3-29: SAILOR FleetBroadband power cable
•
If the delivered cable is not long enough, a terminal point
have to be connected and the cable has to be extended
from here (according the recommendation in the previous
chapter).
•
The cable delivered with the SAILOR FleetBroadband 19”
Rack BDU /Terminal is slightly different as the two (2) wires
(green and orange) for Remote On/Off is extracted directly
from the power connector (see connection description of
these in next sub-chapter “Connecting a Remote On/Off
switch”).
Power connector:
Figure 3-26a: Power connector
Power connector pin-out
Pin
Function
Colour
A1
V in+
Red
A2
V in-
Black
1
NC
(Black)
2
Remote
On/Off
Green
3
NC
(Brown)
4
NC
(Red)
5
Remote
On/Off
Orange
Figure 3-30: Power connector pin-out
Содержание Sailor 250 FleetBroadband
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