Simrad TRANSDUCER - INSTALLATION GENERIC REV H Installation Manual Page 78

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SimradMS70
ConnectingthepowercablesfromthePower
SupplyUnits
ThisprocedureexplainshowtoconnectthepowercablesfromthethreePowerSupply
Units.
Thefollowingcablesmustbeconnected:
a230VactoTRXUfans
b+6Vdc(oneredandonebluecable)
c+6Vdc(oneredandonebluecable)
d+12Vdc(oneredandonebluecable)
e+75Vdc(oneredandonebluecable)
Important
D o n o t connectanyACorDCpowertotheMS70TransceiverorPowerSupplyUnits
untilexplicitlyinstructedtodosointherelevantprocedure.
Figure30Blockdiagram,ACandDCdistributionfromPowerSupplyUnits
TERMINALBOARD
POWER
SUPPL Y
POWER
SUPPL Y
POWER
SUPPL Y
SWITCH
ETHERNET
SWITCH
TERMINAL
BOARD
POWER
CONNECT ORP ANEL
TRXU
BACKPLANE
TRXU
FANS
POWERCABINET2
POWERCABINET1
TRXU1
POWERCABINET0
TRXU0
TRXU2
(CD016022-003)
230Vac
230Vac
Ethernet
+75Vdc
+12Vdc
+6Vdc
76
331549/B
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