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©2004 Inova Computers GmbH Page 3-9Doc. PD00941013.001
ICP-CM
Interfaces
CompactPCI
®
3
3.2 Interfaces
3.21 J6 & J7 Ethernet
J6 is a Fast Ethernet interface from the SiS chipset while J7 [ETH1] is an additional Fast Ethernet
from the dedicated on-board controller. Both RJ45 interfaces are available as standard on the CPU
front-panel and provide support for 10BaseT and 100BaseTX twisted pair standards.
Figure 3.21 RJ45 Pinout
Table 3.21 Ethernet Standards & Connector Signals
Note:
Users taking advantage of the CPU’s rear
I/O options are advised not to use the
front-panel interface [ETH1] if the rear
interface is being used. Possible damage
to the board could occur and data
integrity cannot be assured.
81
Activity Link
Standard Data Rate Cable Max. Length
IEEE802.3 10Base-T
Ethernet
10Mbit/2 2-pair Cat-5 100m
IEEE802.3u 100Base-Tx
Fast Ethernet
100Mbit/s 2-pair Cat-5 100m
Pin No.
Signal Description
Ethernet / Fast Ethernet
1 TX0+
2 TX0-
3 RX0+
4
5
6 RX0-
7
8