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2019-2021 Emerging Technology Roadmap for Large Enterprises
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Information Technology
Gartner Glossary
Digital Loopback
A technique for testing the digital processing circuitry of a communications device. It can be initiated locally or remotely via a telecommunications circuit; the device being tested will echo back a received test message (after first decoding and then re-encoding it) the results of which are compared with the original message.
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