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Appendix C External Interface Specifications C-3
C.3 USB Port
C.4 SAS Port
The SAS port connects the server to an external device, such as a tape drive, which
has a SAS interface. For information on which devices can be connected, contact a
service engineer.
Note – Even though the SAS port has four lanes, only two lanes can be used with
this port.
TABLE C-3 USB Port
Pin assignment Pin number Signal name Input/output Description
1 VBUS Output Power supply
2 -DATA Input/output Data
3 +DATA Input/output Data
4 GND --- Ground
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