KSwitch D2 UF Unmanaged Fast Ethernet Switch - Preliminary User Guide, Rev. 0.9
// 26
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.
The switch supports dual power inputs with an input range of 12 VDC to 58 VDC, on the power contacts P1+/- and
P2+/- on the DC terminal block. When multiple power sources are connected to the switch, the switch utilizes the
power supply with the higher voltage or the most stable power supply.
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.
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 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 external DC power supply automatically activates the switch.
When connecting the power, follow the indicated polarity for P1+/- and P2+/-.
When attaching power wires to the DC terminal block’s power contacts consider:
•
DC terminal block pitch, 5.08 mm
•
Wire size range: Solid wire: 12~24 AWG and Stranded wire: 12~24 AWG
•
Wire length 3 m (9.84 ft.) maximum
•
Wire strip length 7 mm (0.28 in)
When connecting a ground wire to the switch, ensure that the wire size range is
18 to 14 AWG, and resistance is less than 5 ohms.
