Power Supply - Advantech ICR-2431 Hardware Manual

2. Hardware Functionality

2.4 Power Supply

The power supply pins are physically connected to the 6-pin terminal block panel socket located on the
left panel. The connection of the power supply is illustrated in Figure ?? and described in Table ??.
Pin
1
2
The required power supply voltage for the router ranges between +9 V and +48 V DC. Refer to the
connection scheme in Figure ?? for proper setup. The router is equipped with built-in protection against
reversed polarity, functioning without signaling. To guarantee correct operation, the power source must be
capable of providing a sufficient amount of energy, as detailed in the consumption section of Chapter ??.
Unit has to be supplied by a power supply specified as a Limited Power Source (LPS) or CEC/NEC
Class 2 source of supply.
The metal case of the router is not connected to the negative pole of the power supply (common pole).
If recommended for the installation environment, it is advised to protect the router by properly grounding it
using the grounding screw, as illustrated in Figure ??.
ICR-2431 Hardware Manual
Figure 15: Connection of Power Supply
Signal mark Description
PWR(+)
Positive pole of DC supply voltage (+9 to +48 V DC)
PWR(-)
Negative pole of DC supply voltage
Table 7: Power Supply Pinout
Figure 16: Position of the Grounding Screw
2.4 Power Supply
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