Installation manual

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