Sun Enterprise 220R Server Service Manual

5.5.3 Cable Connectors and Routing

Cable Name  

Connections 

Routing and Management 

CPU power sense cable 

From: Power distribution board (J0205) and (J0206)To: Main logic board (J2901) 

Routed from under the fan tray assembly to the main logic board 

Main power cable 

From: Power distribution board (J0201) and (J0207)To: Main logic board (J2902) and (J2903) 

Routed from under the fan tray assembly to the main logic board 

I/O power cable 

From: Power distribution board (J0210)To: UltraSCSI backplane (J0101) andTo: Removable media assembly power connector 

Routed from under the fan tray assembly, through the notch on the fan tray assembly to the UltraSCSI backplane and the RMA power connector 

UltraSCSI data cable 

From: Main logic board (J1801)To: UltraSCSI backplane (J0102) 

Routed flat under the tab on the side of the fan tray assembly 

Removable media SCSI cable 

From: UltraSCSI backplane (J0302)To: RMA SCSI Connector 

Routed from the UltraSCSI backplane to the removable media assembly SCSI connector 

Keyswitch/power button/LED cable 

From: Power distribution board (J0500)To: Front of chassis 

Routed under the notch on the fan tray assembly 

CPU core voltage power cable 

From: Power distribution board (J0202)To: DC-to-DC board (J0103) 

Routed from the power distribution board to the DC-to-DC board 

CPU core voltage power sense cable 

From: Power distribution board (J0203)To: DC-to-DC board (J0102) 

From the power distribution board to the DC-to-DC board 

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