Identifying Ports
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“Identifying Ports” on page 55
Identifying Ports
This topic provide the pin descriptions of the ports.
USB Ports
Two USB 3.0 ports can be accessed from the rear of the server and two USB 2.0 ports from the
front. See the location of the USB ports at “Front Panel Components” on page 12 and “Rear
Panel Components” on page 13. The USB ports support hot-plugging. You can connect and
disconnect USB cables and peripheral devices while the server is running, without affecting
server operations.
Each USB 2.0 port supplies 5V output at 500 mA.
Each USB 3.0 port supplies 5V output at 900 mA.
Note - You can connect up to 126 devices to each of the four USB controllers (two ports in
front, two ports in the rear), for a total of 504 USB devices per server.
No. Description
1 +5V supply
2 Data –
3 Data +
4 Ground
Powering On the Server for the First Time 55
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