
Cabling | Appendix | 
Legend:
Data
USB
I2C
SATA
Power
 Adapter
SAS
ATA 100
IDE
ATX PSU /4 PIN
CPU
SYS
ATX  | 
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  | FAN2  | 
PSU / 24PIN  | 
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  | SYS  | 
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  | FRONTPANEL  | ||
IDE PRIMARY  | 
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SAS   | 
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  | LOWER  | UP  | INTRUSION  | 
USB DAT  | SYS  | BPL LED  | BPL LED  | |
FAN1  | 
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SATA  | 
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  | <- P7  | 
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  | PSU   | 
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PRIMERGY TX120 / D2550
Overview Cabling Power cable 
1x2.5“ BPL & optical drive
P2   | P3   | 
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BPL  | Port2  | Port1  | CN1  | 
LED  | 
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UPPER
SAS
BPL
P5 
optical Drive  | 
Figure 27: Power cable: SAS backplane and CD/DVD drive
46  | Options Guide  | TX120  |