Specifications

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Chapter 4: Technical Reference
Universal Serial Bus
The server provides a single, external Universal Serial Bus (USB) connector at the back
panel (see Figure 4-12) and an internal header to be used with device bay expansion.
Table 4-11 liststhe pinoutsfor theexternal USBconnector. Table 4-12lists the pinoutsfor
the internal USB header.
Figure 4-12 USB External Connector
Table 4-11 USB External Connector Pinout
Pin Signal Notes
1 VCC Cable power
2 Data - Data (differential pair negative)
3 Data + Data (differential pair positive)
4 GND Cable ground
Table 4-12 USB Internal Header Pinout
Pin Signal Notes
1 N/C
2 Data - Data (differential pair negative)
3 Data + Data (differential pair positive)
4 GND Cable ground
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