Raymarine E70141, Installation And Operation Instruction Manual, Page: 18 / 70

4.1 General cabling guidance
Cable types and length
It is important to use cables of the appropriate type and length
• Unless otherwise stated use only standard cables of the correct
type, supplied by Raymarine.
• Ensure that any non-Raymarine cables are of the correct quality
and gauge. For example, longer power cable runs may require
larger wire gauges to minimize voltage drop along the run.
Routing cables
Cables must be routed correctly, to maximize performance and
prolong cable life.
• Do NOT bend cables excessively. Wherever possible, ensure a
minimum bend diameter of 200 mm (8 in) / minimum bend radius
of 100 mm (4 in).
• Protect all cables from physical damage and exposure to heat.
Use trunking or conduit where possible. Do NOT run cables
through bilges or doorways, or close to moving or hot objects.
• Secure cables in place using tie-wraps or lacing twine. Coil any
extra cable and tie it out of the way.
• Where a cable passes through an exposed bulkhead or deckhead,
use a suitable watertight feed-through.
• Do NOT run cables near to engines or fluorescent lights.
Always route data cables as far away as possible from:
• other equipment and cables,
• high current carrying ac and dc power lines,
• antennae.
Strain relief
Ensure adequate strain relief is provided. Protect connectors from
strain and ensure they will not pull out under extreme sea conditions.
Cable shielding
Ensure that all data cables are properly shielded that the cable
shielding is intact (e.g. hasn’t been scraped off by being squeezed
through a tight area).
4.2 Connections overview
Connections are made using the provided SeaTalk and transducer
cable connectors on the rear of the unit.
Connections
SeaTalk connection
1 SeaTalk connection
i40 Bidata connection
Item Cable color Signal name
1 Black (Depth) Piezoceramic –
2 Blue (Depth) Piezoc
3 Screen (Depth) 0 V (shield)
4 Brown (Speed) Temperature 0 V
5 White (Speed) Temperature (signal)
6 Screen (Speed) Speed 0 V (shield)
7
Green (Speed) Speed (signal)
8 Red (Speed) Speed V+
i40 Depth connection
18 i40