asynchronous byte oriented full duplex
avionics full duplex switched Ethernet
Avionics Full Duplex Switched Ethernet AFDX
航空电子全双工交换式以太网
航空电子全双工以太网
航空全双工交换式以太网
equivalent full-duplex network
FDDI Full Duplex Technology
FDHP Full Duplex Handshaking Protocol
FDSP Full Duplex Service Phone
FDT Full Duplex Teletype
FMC Full duplex Multiple line Control station
FPC Full duplex Point to point Control station
full duplex analog speech scrambling
full duplex analog speech scrambling system
full duplex character transmission