AIS 3410, Electronics Unit
ED3047G842 / 01 (2009-08)
Technical Manual
3 Installation Recommendations
3.1 General Recommendations
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- All cables must be secured by means of suitable clamps (pull-relief) before entering the units.
- It must be ensured that cables do not block any moving parts within a unit.
- Power leads must be protected by "slow-blow" fuses according to their cross section.
- In the case of a unit whose cable inlet consists of a hole with brackets attached on the inside
and outside, the cable must be dressed as shown in
Figure 3-1.
Fig. 3-1 Cable inlet consisting of a hole with brackets
3.1.1.1
Maximum Cable Length
Coaxial Antenna Cable for the VHF Antenna
The maximum length of this cable (LCF 12-50) is 80 m. See Section 9,
Cabling Documents
.
Coaxial Cable for the GPS Antenna
The length of this cable is defined by the cable sets. Prefabricated cables with a length of 20, 30, or 40 m
can be delivered.
If a length of more than 40 m is needed, the cable LCF 12-50 of the VHF antenna must be used in combi-
nation with TNC-N plug adapters. See Section 9,
Cabling Documents
.
Ethernet LAN
The Ethernet LAN thin wire cabling (RG-213/U ship’s cable or RG58) must not exceed a length of 185 m.
Screen braid laid back over outer sheathing;
contact with the brackets via metal clamp
Installation cables
FMGCH,
FMKHC MGCH etc.
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Metal clamp inside
Metal clamp outside
35
+5
Brackets
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