Raymarine MICRO-TALK, Installation Instructions Manual, Page: 43 / 84

8.2 Connections overview
Your product includes the following connections.
Connection Qty Connects to: Suitable cables
1 1. SeaTalkng ® backbone
2. NMEA 2000 backbone
1. SeaTalkng ® spur cables
2. SeaTalkng ® to DeviceNet
adaptor cable (A06045)
Can connect up to 32 Compatible Micronet (wireless) devices
simultaneously.
Connecting SeaTalkng ® cables
1. Rotate your product’s SeaTalkng ® connector locking collar counter clockwise, so that the
connector is in the unlocked position.
2. Ensure the cable’s connector is correctly oriented (groove pointing up).
3. Fully insert the cable connector..
4. Rotate the locking collar clockwise (2 clicks) until it is in the locked position.
SeaTalkng ® product loading
The number of products that can be connected to a SeaTalkng ® backbone depends on the current
draw of each product and the physical length of the backbone cabling.
NMEA 2000 Load Equivalency Numbers (LEN) are used to express the amount of current that is
drawn from SeaTalkng ® products (1 LEN = 50 mA) The LEN for each product can be found in the
product’s Technical Specification.
LENs are used to determine the power connection point for the SeaTalkng ® backbone.
8.3 SeaTalkng ® power supply
Your product is supplied power via the SeaTalkng ® backbone.
A SeaTalkng ® backbone requires a single 12 V dc power supply. Power can be supplied to the
SeaTalkng ® backbone by one of the following methods:
•
(1)
direct connection to a 12 V dc battery
Cables and connections 43