Point-to-multipoint and multipoint-to-multipoint is supported by connecting several Transceivers to the same local Ethernet network. The device supports PoE (PD) if used with a PoE (PSE) Ethernet Switch, and RS232 and IR transmission (IR Emitters and Sensors sold separately). The Transceiver can be configured as a Transmitter or Receiver. Typical Applications include: Commercial and residential AV systems; Classroom projector systems; Digital signage Boardroom systems; Collaborative PC systems and Medical information systems. Note: This device supports PoE (PD), and is intended to be powered via a PoE (PSE) Ethernet Switch. If a PoE (PSE) Ethernet Switch is unavailable, then the power supply (500993) may be purchased separately.