Interlogix NS3550-2T-8S User Manual Manual de usuario Pagina 42

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IFS NS3552-8P-2S AND NS3550-2T-8S User Manual
42
2.1.4 Wiring the Power Input
The 6-contact terminal block connector on the top panel of the Industrial Managed Switch is used for two DC redundant power
inputs. Please follow the steps below to insert the power wire.
1. Insert positive / negative DC power wires into the contacts 1 and 2 for DC POWER 1, or 5 and 6 for DC POWER 2.
Figure 2-4: NS3552-8P-2S Upper Panel
2. Tighten the wire-clamp screws for preventing the wires from loosening.
1
2
3
4
5
6
DC 1
DC 2
+
-
+
-
Figure 2-5 6-Pin Terminal Block Power Wiring Input
1. The wire gauge for the terminal block should be in the range of 12 ~ 24 AWG.
2. When performing any of the procedures like inserting the wires or tighten the wire-clamp screws, make
sure the power is OFF to prevent from getting an electric shock.
2.1.5 Wiring the Fault Alarm Contact
The fault alarm contacts are in the middle (3 & 4) of the terminal block connector as the picture shows below. Inserting the wires,
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