SimradES70
Systemdiagram
TwobasicES70systemdiagramsareprovided.Interfacecapabilities,powersupplies
andpowercablesarenotshown.
Figure1SystemdiagramwithasingleGeneralPurposeTransceiver(GPT)
A
B
C
D
PWR
MENU
Transducer
+5V
+12V
-12V
HV1
HV2
TX
RX
Fuse10A
115-230VAC
Fuse2A
S1
S2
12VDC
Auxiliary
Ethernet
GeneralPurpose Transceiver
DSP-6X IO
POWER
Ethernet
ADisplayUnit
BProcessorUnit
CGeneralPurposeTransceiver(GPT)
DTransducer
Figure2SystemdiagramwithtwoGeneralPurposeTransceivers(GPT)
A
B
C
D
PWR
MENU
Transducer
+5V
+12V
-12V
HV1
HV2
TX
RX
Fuse10A
115-230VAC
Fuse2A
S1
S2
12VDC
Auxiliary
Ethernet
GeneralPurpose Transceiver
DSP-6X IO
POWER
Ethernet
Transducer
+5V
+12V
-12V
HV1
HV2
TX
RX
Fuse10A
115-230VAC
Fuse2A
S1
S2
12VDC
Auxiliary
Ethernet
GeneralPurpose Transceiver
DSP-6X IO
POWER
Ethernet
E
(CD024216-002)
AColourmonitor
BProcessorUnit
CGeneralPurposeTransceiver(GPT)
DTransducer
EEthernetswitch
Networksecurity
EquipmentmanufacturedbyKongsberg
Maritimearefrequentlyconnectedtotheship's
localareanetwork.Connectinganypersonal
computertoanetworkwillalwaysexposethe
dataonthatcomputertoallothercomputersconnectedtothenetwork.Severalthreats
mayimmediatelyoccur:
•Remotecomputerscanreadthedata.
•Remotecomputerscanchangethedata.
•Remotecomputerscanchangethebehaviourofthecomputer,forexampleby
installingunwantedsoftware.
Usually,twoparametersareusedtodenethethreatlevel:
338106/C
17
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