Simrad TRANSDUCER - INSTALLATION GENERIC REV H Manuale di Installazione Pagina 67

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TransceiverUnitassembly
AbouttheTransceiverUnit
ThissectionprovidesageneraldescriptionoftheTransceiverUnit.
Topics
TransceiverUnitpurposeonpage65
TransceiverUnitpartsidenticationonpage65
TransceiverUnitpurpose
Thetransceiverperformsthesignalprocessinganddigitalbeamformingofthe
transmitterandreceiverchannels.
TheMS70TransceiverUnitishousedina19”instrumentrack.
Inordertoreducethelossinthetransducercables,thetransceiverisphysicallylocated
ascloseaspossibletothetransducerarray.
Themaincomponentsinthetransceiverare:
3eaTRXUTransceiversubracks
6eaTRCBeamformingcomputers
1eaEthernetswitch
Cabinetfanunit
ThepurposeoftheSimradMS70TransceiverUnitisto:
Transmissionparameterdistribution
Transmissiontriggering
Audiotransmission
Audioreception
Analoguetodigitalconversion
Beamforming
Transmissionandreceptionstabilizing
TransceiverUnitpartsidentication
ThissectionprovidesagenericoverviewoftheTransceiverUnit.
EasyaccesstothefrontandrearpartoftheTransceiverUnitisessential,asthisallows
foreasyreplacementofparts.
Linereplaceableunits
ThefollowingunitshavebeendenedaslinereplaceableunitsintheTransceiverUnit.
TRX32Receiverboards
SMSDriverboards
TRXRIOboards
Capacitormodule
Ethernetswitch
331549/B
65
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