four-wire circuit

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four-wire circuit

[′fȯr ‚wīr ′sər·kət]
(communications)
A two-way circuit using two paths so arranged that communication currents are transmitted in one direction only on one path, and in the opposite direction on the other path; the transmission path may or may not employ four wires.
References in periodicals archive ?
FaxScan[TM] used to analyze voice band traffic files for Fax traffic on 2-wire or 4-wire captures.
RAD Data Communications Ltd has launched the HCD-4, its new 4-wire HDSL modem for local loop and corporate campus environments.
Taxiing was difficult, because the roll-out on the 4-wire is so close to the end of the angle.
Enclosures are configured for wiring for both 3-wire Delta and 4-wire WYE utilization;
4-wire, 3-wire, or 2-wire PT100, PT500, PT1000 RTDs support with accuracy to O 0.
specifications: basket for nitinol stone extraction, 4-wire nitinol jacketed polyimide / ptfe, without tip, straight handle, diameter between: 120cm length 1,9fr sterile, single.
The eN-touch product line will offer 4-wire resistive, 5-wire resistive, capacitive touch, and surface acoustic wave touch screens, including all drivers, mounting solutions, and software.
FaxScan[TM] application is used to process 2-Wire and 4-Wire voice band capture files as well as Win PCAP captures to provide analysis of the T.
02 inch) precision radar level gauges, and ultra stable temperature transmitters with 3- or 4-wire multiple spot sensors, www.
The new Model 1056-HT and 1056-DP 4-wire, dual-input analysers include complete HART[R] and Profibus[R] DP digital communications capability for full operations and maintenance advantages in plants using these digital protocols.
Compatible analog inputs are 4-20 mADC, 0-20 mADC, 0-5 VDC and 0-10 VDC--the unit also accepts 4-wire digital input.
Gunze designs and manufactures 4-wire, 5-wire and 8-wire touch sensors in their state-of-the-art facilities in North America and Asia for, industrial, automotive, medical, mobile, and POS/ kiosk applications.