CP302
Functional Description and Configuration
ID 21112, Rev. 05
Page 2 - 17
®
PEP Modular Computers GmbH
2.6.4
Fast Ethernet
The CP302 board includes a 10BASE-T/100BASE-TX network solution based on the
Intel
82559 Fast Ethernet PCI Bus Controller. The controller contains two receive and
transmit FIFO buffers that prevent data overruns or underruns while waiting for access
to the PCI bus.
Two LED’s monitor network conditions. The Boot from LAN feature is supported, for
details please refer to section 4.5, BIOS Features Setup, in chapter 4.
Figure 2-8: Ethernet/Fast Ethernet Connector
The Ethernet connector is realized as an RJ45 twisted-pair connector.
The interface provides automatic detection and switching between
10Base-T and 100Base-TX data transmission.
2.6.4.1 RJ45 Connector CON10 Pinout
The CON10 supplies the 10Base-TX/100Base-TX interface to the Ethernet controller.
2.6.5
Ethernet LED Status
Green: ACT: This LED monitors network connection and activity. The LED lights up
when network packets are sent or received through the RJ45 port. When this LED is not
lit it means that either the computer is not sending or receiving network data or that the
cable connection is faulty.
Green: SPEED: This LED lights up to indicate a successful 100Base-TX connection.
When not lit the connection is operating at 10Base-T.
Table 2-7: RJ45 Connector CON10 Pinout
RJ45
Signal
Function
1
TX+
Tr
2
TX-
Transmit -
3
RX+
R
4
NC
--
5
NC
--
6
RX-
Receive -
7
NC
--
8
NC
--
1
8
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