Furuno IB-681 manual Mounting of connector assy

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9.Detach all connectors from the rear panel; dismount the power supply unit and the rear panel.

10.For the unit manufactured before 7/98, detach the dummy plate from the rear panel and fasten the connector assy. (supplied) to the rear panel with the screws used to fix the dummy plate. For the unit manufactured after 7/98 use the screws supplied to attach the connector assy. to the rear panel.

Connector assy.

DGPS OUT	Rear panel of communication unit

TX IF

	RX IF	Detach dummy
	RX IF	plate and fasten
		plate and fasten
		connector fixing
		plate with screws
	REF	used to fasten
		dummy plate.
	HSD CTRL	Dummy plate
	HSD CTRL

Figure 20 Mounting of connector assy.

11.For version -2 or higher of the REAR PANEL Board.

Connect the HSD CTRL connector from the connector assy. to J15 on the REAR PANEL Board.

POWER

DIMMER

LOCK

MOBILEINMARSAT-B
EARTH	STATION
	STATION


		COMPASS
		BEARING
AOR-		ELEVATION
		S	LEVEL
AOR-WEST
POR	EAST	TEL
I				1
OR		TEL
				2
READY		TEL		3
TX		TEL		4
FAIL		TEL		5
		TEL
				6
		TELEX
		DATA

REAR PANEL Board,

front view

REAR PANEL

Board

				HSD CTRL
J15
Connector				RF CONV
assy.				Board

HSD CTRL						J15
1 NC
2 RD						1 RD

3 TD						2 TD

4 NC						3 GND
5 GND
6 - 9 NC

Figure 21 Communication unit, rear view, rear panel removed

24

Image 34

Contents Page B . N o . O M E 5 6 0 9 Safety Instructions Safety Information for the OperatorSafety Information for the Installer Electrical Shock HazardTable of Contents Appendix Usage Tips Declaration of conformity to typeFeatures IntroductionEquipment List Installation Materials CP16-01601Installation Materials CP16-01602 Complete SetInstallation Materials CP16-01605 Installation Materials CP16-01603Optional Equipment IB-281 System ConfigurationIB-181 IB-681Control Description OverviewFront panel Rear panel IB-681, rear viewDIP switches SettingsSwitch Panel Settings Data rateSW2 Terminal interface OID/DID and IMN Settings Terminal Unit SettingsDeleting subscriber number Registering, Deleting Subscriber NumberRegistering subscriber number Confirming subscriber numberCalling OperationAutomatic HSD call Tone Name Frequency Manual callInterval Receiving Automatic call mode and receiving operationSW1 State Remarks Command Name Description V.25bis Command, IndicationReceiving and automatic data rate switching SW3 State RemarksCommand Description Indication DescriptionDirect call setup sequence Call SequenceAddress call setup sequence Address call setup sequenceManual call setup sequence Manual call setup sequenceAutomatic call clear sequence Call clear sequence from landManual call clear sequence Manual call clear sequenceCleaning Maintenance & TroubleshootingMaintenance Resetting the circuit breakerGeneral Troubleshooting for the UserThen CallingMounting InstallationMounting procedure Mounting locationWiring Wiring between HSD modem and routerModifying the RF Conv board in the communication unit RS-449 InterfaceAntenna cable Position of R135 Length CPU2 Board 16P0133R135 RF Conv BoardRF Conv Board CPU2 Board J10Mounting of connector assy Rear Panel Board Sub 9 pinGround Wiring between HSD modem and communication unitJ11 Router setting for network connection Circuit delayPropagation delay Communication with other makes of Inmarsat-B terminalsNetwork configuration Syuchronous -asynchronous adapter Land Earth Station IOR Etilat IB-681 Page Page Page Index