Installation Instructions Part 1

G-Series Installation & Commissioning 54
4.11 SeaTalk
ng
connections
The G-Series system will use SeaTalk
ng
to communicate with:
• SeaTalk
ng
instruments (e.g. ST70),
• SeaTalk
ng
autopilots (e.g. ST70 with SPX course computer),
• G-Series keyboard.
SeaTalk
ng
cables
The SeaTalk
ng
system uses the following cables and connections.
SeaTalk
ng
power
The SeaTalk
ng
bus requires a 12 V power supply. This may be
provided from:
• Raymarine equipment witha regulated 12 V supply. (e.g. a
SmartPilot course computer)
• Other suitable 12 V supply. (Note the grounding requirements
for the G-Series system, see page page 34.
Typical SeaTalk
ng
system
Connection /
Cable
Notes
Backbone cables
(various lengths)
The main cable carrying data. Spurs from the back-
bone are used to connect SeaTalk
ng
devices.
T-piece connectors Used to make junctions in the backbone to which
devices can then be connected.
Terminators Required at either end of the backbone.
Spur cables Used to connect devices.
Devices may be daisy chained or connected directly
to the T-pieces.
For more information refer to the separate SeaTalk
ng
reference manual.
Keyboard
GPM 400
Autopilot (Course Computer)
12 V / 24 V dc 12 V dc + Data
D10195-1
ENTERCANCEL
MENU
ENTERCANCEL
MENU
Power Supply
9
WXYZ
8
TUV
7
PQRS
4
GHI
5
JKL
6
MNO
ACTIVE
WPTS
MOB
DATA
MENU
PAGE
.
0
2
ABC
3
DEF
1
CANCEL
STANDBY
DODGE PILOT OK
RANGE
O
UT
IN
ENTER
SeaTalk
ng
backbone