Chapter 2: Installation Procedures 6-2-25
ST290 Instrument System Owner’s Handbook
Connecting instruments & keypads
The appropriate buses for the various ST290 products are detailed under
Running SeaTalk & SeaTALK2 cables, but the general rule is that all
transducer Pods and digital instruments connect to SeaTALK
2
whereas
analog instruments and keypads connect to SeaTalk.
Connection methods
Each product has two bus connectors to enable ‘daisy-chain’ connection
as shown in the following illustration This method can be used with both
SeaTalk and SeaTALK
2
buses.
Figure 2-27: Connection methods
The exact manner in which connections are made to instruments and
keypads depends on whether you are using made-up cables with pre-
fitted connectors, or whether you are using cable from a drum and
terminating it yourself.
Made-up cables
If you are using made up cables, plug the SeaTalk or SeaTALK
2
connectors, into the connectors on the appropriate instruments.
Unterminated SeaTALK
2
cable
If you are using unterminated cable for SeaTALK
2
, prepare the cable for
connection, as detailed below.
1. Slide a boot onto the cable (see Figure 2-28 ).
Figure 2-28: Cable boot
D5604-1
SeaTALK
2
Terminator
Last instrument
on
SeaTALK
2
D6084-1
81183_2 S6.book Page 25 Wednesday, May 7, 2003 11:27 AM
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