DBP is a four-channel/four-button wired beltpack that runs on PoE+ (Power over Ethernet 802.3af and 802.3at) and connects using OMNEO IP technology. Its unique hybrid design supports both digital partyline and matrix keypanel modes: for use as a digital partyline device, DBP connects to an OMS; for use as a portable keypanel, including functionality like point-to-point communication ...