
Appendix | Cabling | 
Legend:
Data
USB
I2C
SATA
Power
 Adapter
SAS
ATA 100
IDE
ATX PSU /4 PIN
CPU
SYS
ATX  | 
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PSU / 24PIN  | 
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  | FRONTPANEL  | ||
IDE PRIMARY  | 
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SAS   | 
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USB DAT  | SYS  | BPL LED  | BPL LED  | |
FAN1  | 
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SATA  | 
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<- P7  | 
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PSU 
PRIMERGY TX120 / D2550
Overview Cabling Power cable 
2x2.5“ BPL, optical drive
BPL LED
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Port4  | 
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  | X6  | 
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  | BPL  | |
BPL  | SAS  | LOWER  | 
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  | LED  | ||||
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P3 
Port2  | 
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UPPER
SAS
BPL
P5 
optical Drive  | 
Figure 28: Power cable: 2 x SAS backplane and CD/DVD drive
TX120 | Options Guide  | 47  |