Cable Connectors And Routing - Sun Microsystems Enterprise 220R Service Manual

2. Install the cable according to the routing and cable management instructions
provided in the table.
Each cable connector is keyed so that it can be connected in only one way.
5.5.3

Cable Connectors and Routing

Cable Name
CPU power
sense cable
Main power
cable
I/O power cable
UltraSCSI data
cable
Removable
media SCSI
cable
Keyswitch/
power button/
LED cable
CPU core
voltage power
cable
CPU core
voltage power
sense cable
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Sun Enterprise 220R Server Service Manual
Connections
From: Power distribution board
(J0205) and (J0206)To: Main logic
board (J2901)
From: Power distribution board
(J0201) and (J0207)To: Main logic
board (J2902) and (J2903)
From: Power distribution board
(J0210)To: UltraSCSI backplane
(J0101) andTo: Removable media
assembly power connector
From: Main logic board (J1801)To:
UltraSCSI backplane (J0102)
From: UltraSCSI backplane
(J0302)To: RMA SCSI Connector
From: Power distribution board
(J0500)To: Front of chassis
From: Power distribution board
(J0202)To: DC-to-DC board (J0103)
From: Power distribution board
(J0203)To: DC-to-DC board (J0102)
January 2000, Revision A
Routing and Management
Routed from under the fan tray
assembly to the main logic board
Routed from under the fan tray
assembly to the main logic board
Routed from under the fan tray
assembly, through the notch on the
fan tray assembly to the UltraSCSI
backplane and the RMA power
connector
Routed flat under the tab on the
side of the fan tray assembly
Routed from the UltraSCSI
backplane to the removable media
assembly SCSI connector
Routed under the notch on the fan
tray assembly
Routed from the power distribution
board to the DC-to-DC board
From the power distribution board
to the DC-to-DC board