Simrad HS70, User Manual

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Installation | HS70 User Manual
Power/Data Cable Considerations
The HS70 uses a single 15 m (49 ft) cable for power and data input/output.
The receiver end of the cable is terminated with an environmentally sealed 12-pin connection
while the opposite end is unterminated and requires field stripping and tinning.
Depending on the application and installation needs, you may need to shorten this cable.
However, if you require a longer cable run than 15 m, you can bring the cable into a break-out
box that incorporates terminal strips, within the vessel.
When lengthening the cable keep the following in mind:
•
To lengthen the serial lines inside the vessel, use 20-gauge twisted pairs and minimize the
additional wire length.
•
When lengthening the power input leads to the HS70, ensure the additional voltage drop
is small enough that your power system can continue to power the system above the
minimum voltage of the system. Wire of 18-gauge or larger should also be used.
•
Minimize RS-232 cable length to ensure reliable communication
Power/Data Cable Pinout Specifications
Pin
Function Wire
Color
Comments
1
Port C, RS-232
female DB9 pin 2,
device out
White
NMEA 2000 only
2
Port C, RS-232
female DB9 pin 3,
device in
Green
3 N/C N/C
4 N/C N/C
5 Power input Red
6 N/C N/C
7 Signal ground Yellow
8
Port A, RS-232
female DB9 pin 3,
device in
Brown
NMEA 0183 only
9
Port A, RS-232
female DB9 pin 2,
device out
Blue
10 Power ground Black
11 CH_GND Drain
12 N/C N/C