Usb connectors, Integrated network interface controller connector, Network cable requirements – Dell PowerEdge 500SC User Manual
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USB Connectors
Your system contains two Universal Serial Bus (USB) connectors for attaching USB-compliant devices. USB devices are typically peripherals such as mice,
printers, keyboards, and system speakers.
If you reconfigure your hardware, you may need pin number and signal information for the USB connectors.
illustrates the USB connector and
defines the pin assignments and interface signals for the USB connector.
Figure B-7. Pin Numbers for the USB Connector
Integrated Network Interface Controller Connector
Your system has an integrated 10/100–megabit-per-second (Mbps) network interface controller (NIC). The NIC provides all the functions of a separate
network expansion card and supports both the 10BASE-T and 100BASE-TX Ethernet standards.
Network Cable Requirements
Your system's RJ45 NIC connector is designed for attaching an unshielded twisted pair (UTP) Ethernet cable equipped with standard RJ45-compatible plugs.
Press one end of the UTP cable into the NIC connector until the plug snaps securely into place. Connect the other end of the cable to an RJ45 jack wall plate or
to an RJ45 port on a UTP concentrator or hub, depending on your network configuration. Observe the following cabling restrictions for 10BASE-T and 100BASE-
TX networks.
l
For 10BASE-T networks, use Category 3 or greater wiring and connectors.
l
For 100BASE-TX networks, use Category 5 or greater wiring and connectors.
l
The maximum cable run length (from a workstation to a concentrator) is 328 feet (ft) (100 meters [m]).
l
For 10BASE-T networks, the maximum number of daisy-chained concentrators on one network segment is four.
Figure B-8. NIC Connector
4
NC
N/A No connection
5–8, 10 GND
N/A Signal ground
9
VCC
N/A Vcc
11
NC
N/A No connection
12
DDC data out O
Monitor detect data
13
HSYNC
O
Horizontal synchronization
14
VSYNC
O
Vertical synchronization
15
DDC clock out O
Monitor detect clock
Shell
N/A
N/A Chassis ground
NOTICE:
Do not attach a USB device or a combination of USB devices that draw a maximum current over 500 milliamperes (mA) per channel or +5 volts
(V). Attaching devices that exceed this threshold may cause the USB ports to shut down. See the documentation that accompanied the USB devices for
their maximum current ratings.
Table B-6. USB Connector Pin
Assignments
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
NOTICE:
To avoid line interference, voice and data lines must be in separate sheaths.