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Raymarine Sea Talkng User Refece 81300 1




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Manual
Document reference 813001
Date June SeaTalk SeaTalk2 SeaTalkng and ST70 are trademarks of Raymarine plc
DeviceNet is a trademark of Open DeviceNet Vendor Association Inc
Handbook contents copyright Raymarine plc
Contents iii
WARNING Electrical iii
EMC conformance Product documents Product disposal Waste Electrical and Electronic WEEE Directive 1Description 1
11 SeaTalkng overview 1
Introduction 1
12 Hardware 1
Color coding 2
Important you must fit Terminators 2
Available parts 2
Other cables 4
13 Using SeaTalkng 4
Typical applications 5
General guidelines when using with other 6
Basic rules 6
Limitations when SeaTalk1 products are connected 6
Using with 6
Chapter 9
21 Preparation for installation 9
EMC installation 9
Remember 9
Suppression ferrites 9
Connections to nonRaymarine 9
Tools 9
System 10
Power supply 10
Product 10
Power sources 10
Power connection point 10
Balanced system 10
Small systems 11
Permitted power loading 11
Balanced system loading 11
Unbalanced system loading 11
System 12
Cabling 12
22 Procedures 13
General 13
Making connections 14
Running cables 14
ii SeaTalkng Reference Manual
Installing Backbone 15
CAUTION Backbone Extender 15
Connecting 15
Connecting 15
CAUTION Do not connect power until installation is complete 15
Balanced system 15
Unbalanced system 16
Fitting Terminators 16
Fitting Blanking Plugs 16
Chapter 3Post installation procedures 17
31 Checks 17
32 Maintenance 17
33 17
Technical 17
World wide web 17
Telephone help line 18
Help us to help you 19
Preface WARNING Electrical safety
Make sure you have switched off the power supply before you start
installing this product
EMC conformance
All Raymarine equipment and accessories are designed to the best industry
standards for use in the recreational marine environment
The design and manufacture of Raymarine equipment and accessories conform to
the appropriate Compatibility EMC standards but correct
installation is required to ensure that performance is not documents
This manual gives information on the Raymarine SeaTalkng system It should be read
in conjunction with the documents for the individual products that connect to
SeaTalkng
To the best of our knowledge the information in this document was correct when it
went to press However Raymarine cannot accept liability for any inaccuracies or
omissions in product documents
In addition our policy of continuous product improvement may change without notice Therefore Raymarine cannot accept liability for any
differences
between the product and the accompanying disposal
Waste Electrical and Electronic WEEE Directive
The WEEE Directive requires the recycling of waste electrical and electronic
equipment
Whilst the WEEE Directive does not apply to some of Raymarines products
we support its policy and ask you to be aware of how to dispose of this product
The crossed out wheelie bin symbol illustrated above and found on our products
signifies that this product should not be disposed of in general waste or landfill
Please contact your local dealer national distributor or Raymarine Technical Services
for information on product disposal
iv SeaTalkng Reference 1 Description 1
Chapter 1 SeaTalkng overview
Introduction
SeaTalkng is an bus for Raymarine products and comprises a main
backbone to which Raymarine products are connected via spur cables see Figure
Power
Instrument Supply Display
Spur Spur
Backbone Backbone
Terminator Terminator
Spur Spur Spur Spur Spur
Instrument Instrument Instrument Transducer Transducer
Adaptor cable
NMEA2000
Adaptor cable
SeaTalk1
D102381
Figure 11 SeaTalk overview
Terminology
Raymarine produces SeaTalk SeaTalk2 and SeaTalkng proprietary bus systems In
this book in the interests of clarity SeaTalk is referred to as Specific Raymarine products eg ST70 instruments perform a bridging
function to
enable you to connect SeaTalkng to SeaTalk1 products via appropriate adaptor
cables Adaptor cables are also available to connect NMEA2000 Hardware
SeaTalkng comprises a single backbone terminated with two terminators one at each
end Spur cables connect the backbone to individual SeaTalkng products
Small diameter cable connectors are used throughout the system to make
installation easier Cables and connectors are colorcoded to reduce the likelihood of
A wide range of different cable lengths provides flexibility and obviates the need for
cutting and splicing cables
Threeway five way and inline connection pieces are available to connect cables to
deploy SeaTalkng as required
2 SeaTalkng Reference Manual
Color coding
Cables and connectors are colorcoded to facilitate correct connection The color
codes are
Backbone is blue
Spurs are white
A power cable is also provided and is colorcoded with a red strip
Important you must fit Terminators
In order to ensure correct data transmission through a SeaTalkng system a
Terminator is required at each end of the backbone cable run Dedicated
Terminators are available for this purpose Do NOT attempt to run a system that is
not correctly terminated
Available parts
The following parts are cable
Part numbers 1 ft 3 in 400 mm A06033
3 ft 3 in 1 m A06034
9 ft 10 in 3 m A06035
16 ft 4 in 5 m A06036
65 ft 7 in20 m A06037
Spur cable
Part numbers 1 ft 3 in 400 mm A06038
3 ft 3 in 1 m A06039
9 ft 10 in 3 m A06040
16 ft 4 in 5 m spur to backbone
Part number spurs to backbone
Part number two backbone cables
Part number 1 Description at each end of backbone Part number Plug
Inserted into unused spur in 5way connector T Piece Part number Spur cable 1 ft 3 in 400 mm
For spurs in confined spaces
Part number A06042
SPX Spur SeaTalkng to Raymarine SPX
Course Computers
Part number To be SeaTalkng 12 V dc supply
Part number End Spur products which do not have
plugin connectors eg Part numbers 1 m A06043 3 m Adaptor SeaTalkng products
Part number adaptor SeaTalkng products to
SeaTalk2
Part number female adaptor SeaTalkng products to
NMEA2000 Part number A06045
4 SeaTalkng Reference male adaptor SeaTalkng products to
NMEA2000
Part number Adaptor SeaTalkng products to
Raymarine ESeries Displays
Part number Reference Manual Part number Kit Part number A25062
Comprises Two terminators
One 65 ft 7 in 20 m Backbone cable
Two 16 ft 4 in 5 m Backbone cables
Four T Piece connectors
One Power Cable
One SeaTalkng Reference Manual this book
Other cables
In addition to the parts listed a range of connector cables is available from your
Raymarine dealer to connect to other Raymarine products and systems
Connectors
SeaTalkng connectors are lockable to ensure reliable secure connectivity Keyways
on the connectors ensure correct orientation Locking collars on the SeaTalkng
TPiece 5Way Connector and Backbone Extender rotate to lock the connections
Molded arrow indicators on the connectors align to show when the connector is
Using SeaTalkng
A complete SeaTalkng backbone comprises two or more backbone cables connected
in series There must be only one backbone and this must be terminated with two ter
minators one at each end of the backbone Do NOT connect a terminator to any spur
In a SeaTalkng system and any system to which it is connected
As a general rule there must only be one data source transducer for each data
type Although some products may be permitted as secondary data sources do
not duplicate the source for any data unless permission is specifically given in the
relevant product documents
There must be only one power source
It is particularly important to be aware of these requirements when connecting to
another system For example in Raymarine SeaTalk1 power is often supplied from
the system 1 Description
You can use SeaTalkng
As a system in which only products fitted with SeaTalkng
connectors are connected via spur cables to the SeaTalkng backbone
As an extended system connected to SeaTalk1 products via an adaptor cable
You must NOT connect a SeaTalkng system to a SeaTalk2 system
You may connect specific SeaTalkng products eg ST70 instruments to existing
SeaTalk1 and SeaTalk2 systems using the appropriate adaptor cables Refer to the
instructions with these products for details of how to connect them
As it is obviously not possible to describe all possible for SeaTalkng
general guidelines are given here
Typical applications
A typical SeaTalkng system is shown in Figure 12 It comprises the main backbone
with compatible products connected via spur cables
SeaTalk ng
CANCEL ENTER
Wind transducer pod
MENU
CANCEL ENTER
MENU
Spur
CANCEL ENTER
MENU
Spur Spur
T Piece SeaTalkng Backbone
Terminator
T Piece
5Way Connector 12 V dc Power
Supply Power
cable
CANCEL ENTER
MENU
Spur
CANCEL ENTER
MENU
T Piece T Piece SeaTalkng Backbone
Terminator
T Piece
Spur Spur Spur
Speed Pod
transducer
Depth Pod
transducer
D101941
Figure 12 Typical basic SeaTalkng system
6 SeaTalkng Reference Manual
General guidelines when using with other systems
Basic rules
If SeaTalkng is connected to any other system ensure that in the combined system
You connect only one source for any data type unless permission is specifically
given in the relevant product documents
You connect only one power source
Limitations when SeaTalk1 products are connected
If SeaTalkng and SeaTalk1 products are used together do NOT connect an
NMEA2000 backbone as this product combination could compromise the integrity of
the NMEA2000 system
Using with SeaTalk1
Provided you do not want to connect to NMEA2000 you can connect a SeaTalkng
system to SeaTalk1 using a suitable SeaTalkng bridging product such as an ST70
instrument and adaptor cables to connect the two systems
If you intend doing this note that
You can connect a single SeaTalk1 network to SeaTalkng using an adaptor cable
and one bridging product eg ST70 instrument
You can connect two separate SeaTalk1 networks to SeaTalkng using different
adaptor cables and bridging products eg ST70 instruments but the two
SeaTalk1 networks must NOT be connected together
Summaries of acceptable and unacceptable scenarios are
shown in Figure 13 and Figure 14 1 Description

7
To other SeaTalk ng
Backbone
SeaTalkng
To other SeaTalk ng
products ST70
ST70 products
Spur Spur
CANCEL ENTER
CANCEL ENTER
MENU
MENU
SeaTalk
to SeaTalk1
adaptor cable
SeaTalk1
TRUE TACK DEPTH RESET
DISP VMG ALARM OFFSET
To other SeaTalk ng Backbone
SeaTalkng
To other SeaTalk ng
products ST70 ST70
products
Spur Spur
CANCEL ENTER CANCEL ENTER
MENU MENU
ng ng
SeaTalk SeaTalk
to SeaTalk1 to SeaTalk1
adaptor cable adaptor cable
SeaTalk1
SeaTalk1
TRUE TACK DEPTH RESET TRUE
TACK DEPTH RESET
DISP VMG ALARM OFFSET
VMG ALARM OFFSET
APP DISP
D103141
Figure 13 acceptable scenarios
8
SeaTalkng Reference Manual
To other SeaTalk ng Backbone
SeaTalkng
To
other SeaTalk ng
products
ST70
products
Spur
Spur
CANCEL ENTER
MENU
No bridging product
SeaTalk1
TRUE TACK DEPTH RESET
DISP VMG ALARM OFFSET
To other SeaTalk ng Backbone
SeaTalkng
To other SeaTalk ng
products ST70
ST70 products
Spur Spur
CANCEL ENTER
CANCEL ENTER
MENU
MENU
SeaTalkng
SeaTalkng
to SeaTalk1
to SeaTalk1
adaptor cable
adaptor cable
SeaTalk1
TRUE TACK DEPTH
RESET
DISP VMG ALARM
OFFSET
To other SeaTalk ng
SeaTalkng Backbone
To other SeaTalk ng
products ST70 ST70
products
Spur Spur
CANCEL ENTER CANCEL ENTER
MENU MENU
SeaTalkng
SeaTalk ng
to SeaTalk1
to SeaTalk1
adaptor cable
adaptor cable
SeaTalk1
SeaTalk1
TRUE TACK DEPTH RESET
TRUE TACK DEPTH RESET
DISP VMG ALARM OFFSET
DISP VMG ALARM OFFSET
APP
APP
D103301
Figure 14 unacceptable 2 Installation 9
Chapter 2 Preparation for installation
EMC installation guidelines
Raymarine equipment and accessories conform to the appropriate Compatibility EMC regulations This minimizes interference
between equipment which could otherwise affect the performance of your system
Correct installation is required to ensure that EMC performance is not compromised
For optimum EMC performance we recommend that
Raymarine equipment and the cables connected to it are
At least 3 ft 1 m from any equipment transmitting or cables carrying radio
signals eg VHF radios cables and antennas In the case of SSB radios the
distance should be increased to 7 ft 2 m
More than 7 ft 2 m from the path of a radar beam A radar beam can normally
be assumed to spread 20 degrees above and below the radiating element
The product is supplied from a separate battery from that used for engine start
This is important to prevent erratic behavior and data loss which can occur if the
engine start does not have a separate battery
Raymarine specified cables are used
Cables are not cut or extended unless doing so is detailed in the installation manual
Remember
Where constraints on the installation prevent any of the above always allow the maximum separation possible between different items of
electrical
equipment
This will provide the best conditions for EMC performance for the Suppression ferrites
Raymarine cables may be fitted with suppression ferrites These are important for
correct EMC performance Any ferrite removed to facilitate installation must be
replaced in the original position immediately installation is complete
Use only ferrites of the correct type supplied by Raymarine authorized dealers
Connections to nonRaymarine equipment
If Raymarine equipment is to be connected to other equipment using a cable not
supplied by Raymarine a Raymarine suppression ferrite MUST always be attached
to the cable near the Raymarine unit
Tools required
Before installing SeaTalkng ensure you have the appropriate tools In most cases a
typical fitters toolkit should suffice provided it has tools to enable you to
Drill holes for cable runs
Connect prepared bare wire ends to terminal blocks
10 SeaTalkng Reference Manual
System structures
Plan the route of the SeaTalkng backbone so that it runs as close as is practicable to
the intended location of each SeaTalkng product to keep spur lengths to a minimum
Products connect to the backbone via spur cables Spurs connect to the backbone via
either a SeaTalkng TPiece or a SeaTalkng 5Way Connector
Power supply It is important that power for SeaTalkng is provided from only one power source If you
intend using your SeaTalkng system with any other system eg SeaTalk1 power
may already be connected to the other system If this is the case do NOT connect an
additional power source to SeaTalkng
Product loading
The number of products you can connect to a SeaTalkng system depends on the
power each product consumes and on the physical length of the proposed system
Each Raymarine product has a Load Equivalency Number LEN which indicates
how much power it consumes
Power sources
A SeaTalkng system requires one 12 V dc supply connected to the SeaTalkng
backbone This can be provided
By a battery
From a Raymarine Course Computer via SeaTalk andor SeaTalkng
Note If a battery is used as a power source it is recommended that in order to avoid sudden
voltage drops the battery used for engine starting is NOT used to power SeaTalkng
On boats with 24 V dc systems a suitable 24 V to 12 V dc dropper may be used
Check with Raymarine Customer Support or your Dealer for suitability
Protection
The power source must be protected by a 5 A fuse or a circuit breaker providing
equivalent protection
Power connection point
Balanced system
We recommend that as a general rule power is connected to a SeaTalkng system in
such a way that the current drawn on each side of the power connection point is
equal
This is termed a balanced system
Figure 21 shows a theoretical balanced system In this system the total LEN of the all
products is 40 so the optimum power connection point is a total LEN value of 20 each
end of the 2 Installation 11
Terminator
Backbone
Product A Product B Product C
LEN 4 LEN 6 LEN 6
Total system LEN 40
Optimum power connection point 40 2
20 LEN from end of Backbone
Backbone
Product F Product E Product D
LEN 6 LEN 5 LEN 4
Backbone
Terminator
Product G Prod H Prod J
LEN 5 LEN 2 LEN 2
D103471
Figure 21 Where to connect SeaTalkng power in a balanced system
Small systems
Although the preferred method of connection is to form a balanced system as above
in systems where the backbone length is 60 m or less you may connect power at one
end of the system to form an unbalanced system
Permitted power loading
The total load permissible in a SeaTalkng system is defined in terms of the total LEN of
all products connected to the system and depends on the length of the backbone
Balanced system loading
The maximum loading total LEN for balanced SeaTalkng systems of various lengths
is given in the following table Note that in each case the total LEN must be
divided equally each side of the power connection point
Backbone length Total LEN Backbone length Total LEN
197 ft 60 m or less 100 394 ft 120 m 50
262 ft 80 m 84 459 to 525 ft 140 to 160 m 40
328 ft 100 m 60 591 to 656 ft 180 to 200 m 32
Unbalanced system loading
The maximum LEN for unbalanced SeaTalkng systems up to 197 ft 60 m is given in
the following table
Backbone length Total LEN
66 ft 20 m 40
131 ft 40 m 20
197 ft 60 m 14
12 SeaTalkng Reference Manual
System limitations
In a SeaTalkng system
The total length of backbone cable between the two Terminators must not exceed
656 ft 200 m
The length of any individual spur must not exceed 16 ft 4 in 5 m
The total length of all spurs must not exceed 98 ft 5 in 30 m So for example
your system could have 30 spurs each of 3 ft 3 in 1 m or 6 spurs each of
16 ft 4 in 5 m
The total LEN in the system must not exceed the value detailed under Permitted
power loading
Cabling
When planning SeaTalkng cable routes see Figure 22 and Figure 23 ensure that
the EMC conditions are fulfilled see EMC installation guidelines above In particular
do not route cables near fluorescent lights engines and radio transmitting equipment
as these may cause interference Taking this into account plan the backbone route to
run as close as possible to the intended locations of the products to be connected
Spurs to steering Cockpit
Terminator SeaTalkng Backbone
5Way Connector
Spurs to chart table Below decks
Power cable
TPiece
SeaTalkng Backbone
SPX Spur
to autopilot
5Way Connector SeaTalkng Backbone
Depth Speed Wind
transducer transducer transducer
pod pod pod
TPiece
Terminator
TPiece TPiece TPiece
Alternative connection
method for pods
D103151
5Way Connector
Figure 22 Typical SeaTalkng 2 Installation 13
Spurs to steering Flybridge
SeaTalkng Backbone
Terminator
5Way Connector
Spurs to steering Lower Helm
SeaTalkng Backbone
5Way Connector
Below decks
Spurs to chart table Power cable
TPiece
SPX Spur
to autopilot
5Way Connector
SeaTalkng Backbone
Depth Speed
transducer transducer
pod pod
TPiece
Terminator
TPiece TPiece
D103311
Figure 23 Typical SeaTalk cabling on flybridge vessel
22 Procedures
General requirements
Use only the appropriate lengths of genuine Raymarine SeaTalkng madeup
backbone and spur cables Do NOT cut or otherwise modify the cables
To minimize the need to coil and stow spare cable always use lengths of cable
appropriate to the cable run lengths
14 SeaTalkng Reference Manual
Making connections
Make each SeaTalkng connection as demonstrated in Figure 24
1 Rotate collar to UNLOCKED
position so molded arrows
are aligned
2 Ensure cable end connector is
correctly oriented then fully
insert
3 Rotate collar 2 clicks until it
snaps into the LOCKED
position almost one
quarter turn
Figure 24 Connecting cables
Running cables
When running SeaTalkng cables always do so in accordance with the following
guidelines
Do not run cables where they are likely to be easily damaged
If a cable has to be fed through the deck always use a proprietary deck gland
Where cables are fed through holes in bulkheads etc always use the
appropriate grommets to prevent chafing
Secure long cable runs so they do not present a hazard
Do not position cable connectors in 2 Installation 15
Installing Backbone
Build the backbone by running backbone cables between the locations of the
products you want to connect spur points At each spur point connect the backbone
cables to an appropriate SeaTalkng connecting device either
TPiece part number A06028 Use where you want to connect a spur cable to just
one product
5Way Connector part number A06064 Use where you want to connect more
than one spur cable to products fitted close to one another eg in the cockpit
Backbone Extender part number A06030 Use as necessary to connect lengths
of backbone cable together
CAUTION Backbone Extender
The Backbone Extender A06030 is suitable only for connecting backbone
cables Do NOT attempt to use it to join spur cables or damage could occur
Connecting spurs
At each connecting device TPiece or 5Way Connector connect spur cables to the
white connectors as required then run each spur cable to the location of the product
to be connected Connect each spur cable to the relevant product in accordance with
the installation instructions for the product
Where space is limited eg behind instrument consoles it may be easier to use an
elbow spur cable rather than the conventional straight spur
Connecting power
This section describes how to connect power to a standalone SeaTalkng system If
your SeaTalkng system is connected to any other system eg another SeaTalk
system and the other system already has its own power source do NOT connect
another power source to SeaTalkng
CAUTION Do not connect power until installation is complete
Before connecting a power cable to the SeaTalkng backbone ensure it is not
connected to a power source
For optimum SeaTalkng performance power must be connected in accordance with
the conditions described under Power supply on page 10 Whenever
possible connect your system as a balanced systemIf it is not possible to do this and
the SeaTalkng backbone is less than 197 ft 60 m in length you may connect the
power source to form an unbalanced system
Ensure that the power source is protected by a 5 A fuse or a circuit breaker providing
equivalent protection
Balanced system
To connect power for a balanced SeaTalkng system
1 Determine the total LEN of the products in the system
2 Divide the total LEN by two and note the value
16 SeaTalkng Reference Manual
3 Starting at one end of the system add the LEN of each product in turn until you
reach the value calculated at step 2 The point on the backbone between this
product and the next is the point where the system load is evenly split
4 At this point fit a TPiece A06028 then Connect a SeaTalkng Power Cable A06049
to the white connector on the TPiece See Figure 25
5 Ensure the power supply is switched off then connect the power cable via a 5 A
fuse or equivalent value circuit breaker to the power supply
One half system load One half system load
Terminator Terminator
Backbone system products Backbone system products
Power connection point D103501
Figure 25 Connecting power to a balanced system
Unbalanced system
If the backbone is less than 197 ft 60 m you can connect your power source to form
an unbalanced system as follows
1 At one end of the backbone fit a TPiece A06028 then connect a SeaTalkng Power
Cable A06049 to the white connector on the TPiece
2 Ensure the power supply is switched off then connect the power cable via a 5 A
fuse or equivalent value circuit breaker to the power supply
System load
Terminator Terminator
Short backbone system products
Power connection point D103601
Fitting Terminators
When the backbone is in position use a suitable connecting device eg a TPiece to
connect a SeaTalkng Terminator at each end of the backbone Secure the Terminator
by locking it in the same way as for the SeaTalkng connectors
Fitting Blanking Plugs
When all cables have been run and connected fit a SeaTalkng Blanking Plug to each
unused spur connector on SeaTalkng 5Way Connectors and TPieces Secure each
blanking plug by locking it in the same way as for SeaTalkng 3 Post installation procedures 17
Chapter 3 Post installation Checks
When the backbone has been fitted and the spur cables connected carry out the
following checks before applying power
Ensure that SeaTalkng is powered from just ONE 12 V sourceIf SeaTalkng is
connected to any other SeaTalk system make sure this system does not have its
own separate power source
Ensure all backbone connectors are secure
Ensure all products are securely connected to their respective spur cables
Ensure Terminators are securely fitted at each end of the Maintenance
Periodically check that
System connections are secure
The cables for signs of chafing and other damage Replace as If SeaTalkng appears not to be operating as it should first check for error
messages on
any of the products connected to the system If this does not resolve the problem
ensure that
All products in the system are fully serviceable
All system connections are secure
All cables are in good condition and that there are no breaks or other damage
SeaTalkng is configured correctly as described in Chapter 2 In particular check
that
There is only one backbone terminated with just two terminators ie one at
each end of the backbone
Terminators are NOT fitted to any spur
Technical support
Raymarine provides a comprehensive customer support service on the world wide
web and by telephone help line Please use either of these facilities if you are unable
to rectify a problem
World wide web
Please visit the Customer Support area of our web site at
As well as providing a comprehensive Frequently Asked Questions section and
servicing information the web site gives email access to the Raymarine Technical
Support Department and a details of the locations of Raymarine agents SeaTalkng Reference
Manual
Telephone help line
If you do not have access to the world wide web please call our help line
In the USA call
1 603 881 5200 extension 2444
In the UK Europe the Middle East or the Far East call
44 0 23 9271 4713 voice
44 0 23 9266 1228 fax
Help us to help you
When requesting service please quote as much of the following product information
for the products connected to SeaTalkng
Product type
Model number
Serial number
Software issue number
Index
5Way Connector 2 DeviceNet Adaptor cable 3
Disposing of the product iii
Backbone cable 2
Backbone Extender 2 E
Backbone Kit 4 Elbow Spur cable 3
Balanced system 10 11 Electrical safety iii
Blanking Plug 3 EMC guidelines iii 9
fitting 16 ESeries Adaptor cable 4
C F
Cable routes 12 14 Fuse 10 15
Cables
Backbone 2 15 L
DeviceNet Adaptor 3 LEN values 10
Elbow Spur 3 Locking connectors 4 14
ESeries Adaptor 4
Power 3 M
SeaTalk Adaptor 3 Maintenance 17
SeaTalk2 Adaptor 3
Spur 2 15 N
SPX Spur 3
NMEA2000 3 6
Stripped End Spur 3
Cabling P
guidelines 14 Parts list 2
installing Backbone 15
Power cable 3
installing Spurs 15
on flybridge vessel 13 Power loading
planning 12 balanced system 11
typical 12 defined by LEN 10
unbalanced system Backbone 15 Power supply
cables 14 connecting 15
power 15 balanced system 15
balanced system 15 unbalanced system 16
unbalanced system 16 connection requirement
Spur 15 balanced system 10
terminators 16 unbalanced system 11
Connecting devices 2 permitted power loading
5Way Connector 2 balanced system 11
Backbone Extender 2 unbalanced system 11
TPiece 2 protection 10 15
requirements Product disposal iii
color coding 2
inserting 4 14
locking 4 14
20 SeaTalkng Reference Manual
S T
Safety Technical support 17
electrical iii Terminators 2 3 16
SeaTalk Adaptor cable 3 Tools 9
SeaTalk1 3 4 6 TPiece 2
SeaTalk2 3 5 17
SeaTalk2 Adaptor cable 3
SeaTalkng
cable length limitations 12 Unbalanced system 11
components 1 2
general usage 4
load limits 10
power supply requirements 10
system structures 10
typical application 5
using with other systems 4 6
SeaTalk1 6
Spur cable 2
SPX Spur cable 3
Stripped End Spur cable 3
Raymarine plc Raymarine Park 21 Manchester PO3 5TD New Hampshire 03054
United Kingdom USA
44 0 23 9269 3611 Tel 1 44 0 23 9269 4642 Fax 1

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