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You can use the type of signal transmitted through a wire to determin
w
hich wires should be kept sepa
shares similar electrical characteristics can be bundled together.
K
eep input wiring and output wiring separated.
It
is strongly advised that you label wiring to all devices in the system wh
ne
cessary.
Grounding Ethernet Sw
Grounding
and wire routin
g help limit the effects of noise due to
electroma
g
netic interference (EMI). Run the ground connection from the
ground sc
r
ew to the grounding surface prior to connecting devices.
ATTENTION
This product is intended to be mounted to a well-grounded
mounting surface, such as a metal panel.
W
iring the Alarm Contact
T
he Alarm Contact consists of the two middle contacts of the terminal block on
Ethernet Switch top panel. You may refer to the next section for detailed
instructio
n
s on how to connect the wires to the terminal block connector, a
how to at
ta
ch the terminal block connector to the terminal block receptor. In
this sectio
n, we explain the meaning of the two contacts used to connect th
Alarm Con
tact.
FAULT: The two middle contacts of the 6-contact
terminal block connector are used to detect both
FAULT
power faults and port faults. The two wires
attached to the Fault contacts form an open circuit
Top View
when:
1. The Ethernet Switch has lost power from on
FAULT
2. One of the ports for which the corresponding
Front View
If neither of these two conditions is satisfied,
Fault circuit will be closed.
Wiring the Redundant Power Inputs
The two o
uter contacts on the left and right side of the 6-contact terminal block
connector
are used for the Ethernet Switch two DC inputs. Top and front vie
of one of t
he terminal block connectors are shown here.
rate. The rule of thumb is that wiring that
itch
of the DC power inputs.
OR
PORT ALARM DIP Switch is set to ON is not
properly connected.
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en
nd
e
e
the
ws
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