Eaton Electrical PXES4P Series - Manual (Page 38)

PXES4P Switches Installation and User Guide (10/06)
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3.8.2 Connections to NICs which support Auto-Negotiation, RJ-45 ports
The copper ports of PXES4P Series Switches will function properly with NICs
(Network Interface Cards) which support Auto-Negotiation, and the Fast Link Pulse (FLP)
coding for the 100BASE-TX signaling system. When connecting a NIC to the PXES4P-
Sereis, it may be necessary to reload the NIC drivers on the user device if the NIC has been
communicating with a protocol other than 100BASE-TX (such as 10BASE-T). When
100Mb operation is agreed and in use, the 10/100 LED is illuminated steady ON and is
OFF, if 10 Mbps traffic.