transmission medium
conduit for signal propagation
luminiferous aether
postulated medium for the propagation of light
network segment
portion of a computer network
cassette tape
magnetic tape storage medium enclosed in a standardized cassette or cartridge
Airline teletype system
communications system
data transmission circuit
transmission media and the intervening equipment used for the data transfer between data terminal equipments (DTEs)
telecommunications cable
bundles of wires used for transmitting information
fiber-optic communication
method of transmitting information from one place to another by sending pulses of light through an optical fiber