10 PACSystems™ RX3i 64 MB CPU w/Ethernet Quick Start Guide GFK-2941K
Ethernet Ports
LAN1 connects to the uppermost RJ-45 connector. It is not switched. LAN2
connects to the two lower RJ-45 connectors. They are switched internally.
Record the IP Address of each LAN in the space provided (Figure 1).
Each of the embedded Ethernet interfaces automatically senses the data
rate (10 Mbps or 100 Mbps or 1 Gbps), communications mode (half-duplex
or full-duplex), and cabling arrangement (straight-through or crossover) of
the attached link.
For improved performance, the two Ethernet LANs are serviced by a
dedicated microprocessor core. In addition, each Ethernet LAN is serviced
by a dedicated Network Interface Controller (NIC). In this way, the servicing
of the Ethernet ports is independent of the controller logic and I/O
scanning. This superior level of servicing is required at the higher
communications rates.
Any of the embedded Ethernet ports may be used to communicate with the
PME programming software using the Service Request Transport Protocol
(SRTP, a proprietary Emerson protocol, used primarily for communication
with the programmer).
To establish Ethernet communications between PME and the CPE, Emerson
recommends inserting an ETM with a known IP address into the rack to
store a hardware configuration for the CPE330 with the desired IP address.
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