LDM485 to LDM485 to Other RS-485 Devices Configuration - Dataforth
RS485 half duplex mode in full duplex IC - Electrical Engineering Stack Exchange
RS485
Arctic RS-485 / RS-422. RS- 485 Also known as RS-485 Half Duplex, RS wire same pair is used to transmit and receive data only one device can transmit. - ppt download
PBUS - an RS485-like multi-drop bus with half duplex serial protocol
Full duplex RS485 over bluetooth | Forum for Electronics