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E.2 COMUNICATION PORTS
APPENDIX E
E.2 COMUNICATION PORTS
In protocol option C models, front and rear communication ports are completely independent. This allows the user to
access the relay information and configuration from both communication ports simultaneously.
The information related to measures and states is always available through both ports. However, if settings and
switchgear menus are accessed by the frontal keyboard, the relay will be in local mode and no changes could be made
using both ports. If we are not accessing the relay by the keyboard, the frontal port has the priority, this means that if we
are trying to change something through the frontal port, the rear port will be blocked. If a setting or switchgear change by
the rear port is required, we could not be doing it by the keyboard or the front port.
E
E-2
MIFII Digital Feeder Relay
GEK-106237P
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