Home > Terms > English, UK (UE) > Digital loopback

Digital loopback

A test that cheques the modem's RS-232 interface and the cable that connects the terminal or computer and the modem. The modem receives data (in the form of digital signals) from the computer or terminal and immediately returns the data to the screen for verification.

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  • Part of Speech: noun
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  • Industry/Domain: Network hardware
  • Category: Modems
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