Integrated nic connectors, Network cable requirements, Diskette drives and optical drives – Dell PowerEdge 2800 User Manual
Page 10: Figure b, Table b
Figure B-6. USB Connector Pin Numbers
Table B-6. USB Connector Pin Assignments
Integrated NIC Connectors
Each of the system's integrated NICs function as a separate network expansion card while providing fast communication between servers and workstations.
illustrates the pin numbers for the NIC connector and
defines the pin assignments for the connectors.
Figure B-7. NIC Connector
Table B-7. NIC Connector Pin Assignments
Network Cable Requirements
The NIC supports a UTP Ethernet cable equipped with a standard RJ45-compatible plug.
Observe the following cabling restrictions.
l
Use Category 5 or greater wiring and connectors.
l
Do not exceed a cable run length (from a workstation to a hub) of 100 m (328 ft).
For detailed guidelines on operation of a network, see "Systems Considerations of Multi-Segment Networks" in the IEEE 802.3 standard.
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NOTICE:
Do not attach a USB device or a combination of USB devices that draw a maximum current of more than 500 mA per channel or +5 V. Attaching
devices that exceed this threshold may cause the USB connectors to shut down. See the documentation that accompanied the USB devices for their
maximum current ratings.
Pin
Signal
I/O
Definition
1
Vcc
N/A Supply voltage
2
DATA
I
Data in
3
+DATA O
Data out
4
GND
N/A Signal ground
Pin
Signal
I/O
Definition
1
TD+
O
Data out (+)
2
TD–
O
Data out (–)
3
RD+
I
Data in (+)
4
NC
N/A No connection
5
NC
N/A No connection
6
RD–
I
Data in (–)
7
NC
N/A No connection
8
NC
N/A No connection
NOTICE:
To avoid line interference, voice and data lines must be in separate sheaths.