| OID | 1.3.6.1.4.1.318.1.1.28.2.2 |
| Module | PowerNet-MIB (APC) |
| Nom | pmmDeviceServiceType |
| Acces | readonly |
| Status | mandatory |
| Description | The type of utility input to the PMM. Either 3 wires (delta), or 4 wires (wye). |
| Syntaxe | Enumeration (1-threeWire, 2-fourWire) |