3 Mounting the AC 800F
3-24
The following Ethernet modules are available for use with CPU board PM 803F with
software version 7.1 and higher:
• 10Base2 module EI 811F
The 10Base2 standard (Cheapernet) is based on a thin coax. cable (type RG58U).
It is used for small networks over short distances within one building, and with only
few nodes connected via 10Base2 F-connectors. Refer to Section 4.2 for details.
• AUI module EI 812F
Using an AUI (Attachment U
nit
Interface) provides more
flexibility in terms of the usable
cable structure. All Ethernet-
compatible structures are
possible, depending on the
type of directly connected
transceiver.
• 10BaseT module EI 813F
The 10BaseT (twisted pair)
standard uses twisted-pair
cables. A star-type bus
topology is used. Possible
applications are short-distance
networks (not between
buildings). The number of
nodes can be increased by
using hubs.
Running the Ethernet modules EI 811F, EI 812F or EI 813F together
with a CPU board PM 803F is only possible with software version 7.1
and higher.
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