Supported Devices
- MPHB1123
- Other Liebert MPH PDUs should also work
Required WNC Firmware
Liebert (Vertiv) documentation
This site is not intended to provide a full guide to the management interface on Liebert (Vertiv) devices. The following resources will be useful for the WNC configuration.
Vertiv™ MPH2™ MPHB1625 Product Page
https://www.vertiv.com/en-us/products-catalog/critical-power/power-distribution/vertiv-mph2-mphb1625/
Vertiv™ MPH2™ Rack PDUInstaller/UserGuide
https://www.vertiv.com/globalassets/products/critical-power/power-distribution/mph2-rack-pdu-user-guide.pdf
Vertiv™ RPC2™ Communications Module User Manual
https://www.vertiv.com/globalassets/products/critical-power/power-distribution/rpc2-communications-module-user-manual.pdf
Required PDU configuration
- The device must be reset to factory defaults before connecting the WNC.
- Use a paperclip or other tool to press the reset button (7, in the image below)
- Press the reset button five times, one second apart.
After a short time, the network port status light turns off briefly, indicating the module is restarting.
Refer to the Vertiv™ RPC2™ Communications Module User Manual (link above) for more information.
WNC Connections
1. Connect one end of an ethernet cable to the NET port on the PDU control panel.
2. On the rear of the WNC, connect the other end of the ethernet cable and the 5V DC power supply barrel plug.

SNMP Readings Reported
SNMP OID | Channel | Description |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.19.1.1.1 | Voltage A | PDU phase A voltage |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.19.1.1.2 | Voltage B | PDU phase B voltage |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.19.1.1.3 | Voltage C | PDU phase C voltage |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.22.1.1.1 | Current A | PDU phase A current |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.22.1.1.2 | Current B | PDU phase B current |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.22.1.1.3 | Current C | PDU phase C current |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.63.1.1.1 | Power A | PDU phase A power |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.63.1.1.2 | Power B | PDU phase B power |
1.3.6.1.4.1.476.1.42.3.8.30.40.1.63.1.1.3 | Power C | PDU phase C power |
1.3.6.1.4.1.476.1.42.3.8.30.20.1.50.1.1 | Total Energy | PDU total energy |
1.3.6.1.4.1.476.1.42.3.8.30.20.1.65.1.1 | Total Power | PDU total power |