MVI56E-MCM ♦ ControlLogix Platform Reference
Modbus Communication Module User Manual
ProSoft Technology, Inc. Page 145 of 209
Ethernet cabling is like U.S. telephone cables, except that it has eight
conductors. Some hubs have one input that can accept either a straight-through
or crossover cable, depending on a switch position. In this case, you must ensure
that the switch position and cable type agree.
Refer to Ethernet Cable Configuration (page 145) for a diagram of how to
configure Ethernet cable.
6.3.2 Ethernet Cable Configuration
Note: The standard connector view shown is color-coded for a straight-through cable.
6.3.3 Ethernet Performance
High Ethernet traffic may impact MCM performance, consider one of these
options:
Use managed switches to reduce traffic coming to module port
Use CIPconnect for these applications and disconnect the module Ethernet
port from the network
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