Raymarine DSM300 Install Manual page 28

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The transducer cable is attached to the 7 pin male connector on the DSM. How
you connect the cable to the unit depends on the type of transducer you have
installed:
• Combined depth/speed/temp transducers have a 7 pin female connec-
tor. Attach the transducer cable connector directly to the sounder module.
• Combined speed/temperature transducers have a 3 pin female con-
nector that requires the use of an additional Y-shaped cable (Raymarine part
number E66022) to attach to the 7 pin connector on the DSM300. This Y-cable
is included with your speed/temperature transducer.
Attach the 7 pin female connector on the Y-cable to the sounder module, and
then attach the transducer cable to the 3 pin male connector on the Y-cable.
• Depth-only transducers have a 7 pin female connector.
Attach the transducer cable connector directly to the sounder module.
If being installed in conjunction with a speed/temperature transducer, attach
the Y-cable's 7 pin female connector to the sounder module, and then attach
the transducer cable to the 7 pin male connector on the Y-cable.
If your system requires both a Y-cable and a transducer extension cable, ensure that
Note:
you connect the Y-cable to the sounder module and the extension cable to the transducer.
CAUTION: Do not cut or splice the transducer cable:
• There is high voltage on the transducer cable. Splicing could
create a safety hazard.
• Cutting the transducer cable severely reduces sonar perfor-
mance. If the cable is cut it must be replaced, not repaired.
• Cutting the transducer cable will void the warranty and invali-
date the CE mark.
CAUTION: Removing the Transducer Cable
Removing the transducer cable from the rear of the DSM300 while the sounder
module is powered on can cause sparks. Only remove the transducer cable after
power has been removed from the DSM300.
If the transducer cable is accidentally removed while the DSM300 is powered on,
remove power from the sounder module, replace the transducer cable, and then
return power to the module. As a safety feature, the DSM300 only recognizes that
the transducer is connected at power-up.
DSM300 Installation Manual