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Installation
20221032B 97
See Table 4-5 for pin configuration and color code of the
network cable. DO NOT MIX THE PINS AND THE CABLE
COLORS!
Note ! Apply a thin layer of pure Vaseline (petroleum jelly) on the
connector threads and make sure the connectors are properly
secured to the receptacle by the coupling ring. When properly
installed, the connectors are weatherproof according to IP56.
All unused RobNet plugs must be fitted with plastic caps to keep
the connectors free of dirt and moisture. A separate screw cap
for the control unit is included in the installation kit.
Cable
pairs
Color
code
Pin Signal
1
st
pair Pink 5 V SYSTEM+
Grey 4 V SYSTEM–
2
nd
pair Brown 1 Bus–
White 2 Bus+
3
rd
pair Yellow 3 On - Off
5
42
1
6
FRONT VIEW
3
Green 6 ALARM
Table 4-5 RobNet Plug Pin Configuration
On-Off
Vsys+
JUNCTION UNIT
MAIN PCB
ROBNET
Bus+
Vsys
Alarm
Wh
Bn Gn
Bus
Pnk Gry
Yel
AP50
CONTROL
UNIT
Figure 4-23 Control Unit Connection
Note ! For installations that require special cable lengths, contact your
Simrad distributor for information.