Installation Manual

24 Issue 1 AIS Installation Manual
6.4.4 Test and program connections
The connectors are 5mm pitch female screw terminal conectors. Manufacturer’s numbers are
given for the Hitaltech models, but any equivalent may be used.
Connectors used:
8 way 1 off CIF08001
7 way 4 off CIF07001
4 way 4 off CIF04001
3 way 1 off CIF03001
2 way RED 1 off CIF02001OR
6.4.5 Power supply
Connect to the ship’s 24 V DC emergency power source, which ideally should be an
uninterrupted power supply (UPS), through a 2-pole switched fused supply to allow isolation for
servicing. The power requirements are 24 V DC +30% -10%, 2.5 A minimum.
Standby power requirement 15 W; 0.6 Amp at 24 V DC
Peak power requirement 50 W; 2.0 Amp at 24 V DC
Required conductor area as a function of cable length
Power cable length Required conductor area
0 – 10 metres 0.75 mm
2
10 – 20 metres 1.5 mm
2
20 – 30 metres 2.5 mm
2
30 – 40 metres 3.0 mm
2
Isolation between the power supply connections and any other connection to the transponder is
1 kV minimum.
The DC power source should comply with IMO guidelines for the class of vessel concerned.
National authorities and classification societies may have their own power supply requirements;
these should also be considered.