half-duplex operation

half-duplex operation

[′haf ¦dü‚pleks äp·ə′rā·shən]
(communications)
Operation of a telegraph system in either direction over a single channel, but not in both directions simultaneously.
References in periodicals archive ?
VHF (138MHz-225MHz), UHF (406MHz 512MHz) and 869MHz (863MHz--870Mttz) versions of the AutoLog WSN are available for simplex or half-duplex operation.
The ability to support full-duplex and half-duplex operation, high-speed non-blocking, store-and forward switching and auto-negotiation as well as Layer-2 switching.
And because SCSI protocols are not restricted to half-duplex operation, SAS will also support full-duplex transfers, allowing data to be transferred simultaneously in both directions to maximize bandwidth.
Half-duplex operation is accomplished with SPDT switches and the corresponding control logic.
Available in multimode or single-mode (1,300 nm or 1,550 nm), the switch supports both full- or half-duplex operation, and distances up to 100 km.