If 12-12 Auto Negotiation is set to OFF, link speed and
duplex mode can be configured manually in 12-13 Link
Speed and 12-14 Link Duplex.
12-13 Link Speed – displays/sets the link speed per port.
“None” is displayed if no link is present.
12-14 Link Duplex – displays/sets the duplex mode per
port.
Half-duplex provides communication in both directions,
but only in one direction at a time (not simultaneously).
Full-duplex allows communication in both directions, and
unlike half-duplex, allows for this to happen simulta-
neously.
How to Configure MCA 121 EtherNet/IP
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