Transition Networks
SISTP1040-382B-LRT Install Guide
33806 Rev. B
Page 22 of 39
Connecting DC Power
After the Switch is mounted, connected, and grounded, use the Terminal Block (Euro Block) to provide DC Power
Inputs P1 and P2.
Caution:
Connect the wires to the Terminal Block and connect the Terminal Block to the switch before connecting
to the optional power supply.
Warning: connect the wires to the terminal block before plugging power into the Switch product.
1.
Insert the negative/positive DC wires into the P1 and/or P2
+
and
-
terminals, respectively.
2.
To keep the DC wires from pulling loose, use a small flat-blade screwdriver to tighten the wire-
clamp screws on the front of the terminal block connector.
3.
Insert the terminal block connector prongs into the terminal block receptor.
4.
Check the SYS LED. If it is ON, the power connection is correct.
Figure: Connecting DC Power
ATTENTION
The switch case must be earth grounded.
No DC input may be earth grounded.
Use Isolated Power Supply.
