Furuno IB-681 manual Mounting of connector assy

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

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

		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

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