KSwitch D3 UMP Unmanaged PoE Ethernet Switch - User Guide, Rev. 1.0
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6/
Starting Up
Before connecting the switch to power and starting up, read and observe the instructions within this user guide
including Chapter 2/: General Safety Instructions.
Only connect the switch to an external power supply providing the voltage type (AC or DC)
and the input power (max. current) specified on the Kontron Product Label and meeting the
requirements of the Limited Power Source (LPS) and Power Source (PS2) of UL/IEC 62368-1 .
Before connecting to power connect the ground cable to the ground connector and ensure
that the installation sites ground meets the grounding requirements specified in your local,
national and international region.
If access to power is restricted, guarantee disconnection using a separate cut-off device.
6.1.
Connecting to DC Terminal Block
To connect the switch to an external DC power supply and turn on, perform the following:
1.
Connect a ground wire to the ground connector.
2.
Insert the positive and negative wires of the first external DC power supply to the corresponding P1+/–, contacts
on the DC terminal block and tighten the wire-clamp screw to prevent the wires from loosening.
3.
Connect the second external power supply to the corresponding P2+ /- contacts.
4.
Turning on the DC power supply(s) automatically activates the switch.
When connecting the power follow the polarity indicated for P1+/- and P2+/-.
With multiple power sources connected to the switch, the switch utilizes the power supply
with the higher voltage or the most stable power supply.
