MISCOM7028GX/MISCOM8028GX Series Industrial Ethernet Switch
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one side port is NO, the other side port is NC, the middle port is the public end,
the left two terminals are NO relay, and the right two terminals are NC relay. If
the switch is on normal work condition, the NO relay is closed, NC relay is open.
If the dual power supplies’ one port is power failure, port link is down or
network storm occurs, the NO relay is open and the NC relay is closed. The
relay recommended switch load capacity is 1A (24VDC).
Alarm delay diagram
2.6. Power Port
The standard configuration of the series switches is dual AC220V
redundant power supplies, the terminal blocks use 5.08mm pitch terminals to
connect two power inputs, see below diagram. Input power range: 24DC
(18-36VDC), 48DC (36-72VDC), AC85~265V (Frequency 47~63Hz) or
DC110~370V.
Power input terminal diagram
Switch power supply requirements table
