line adapter


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line adapter

In communications, a device similar to a modem, that converts a digital signal into a form suitable for transmission over a communications line and vice versa. It provides parallel/serial and serial/parallel conversion, modulation and demodulation.
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References in periodicals archive ?
TELEWEST: Like NTL, you pay pounds 10 for a line adapter and have to use voice calls costing another pounds 10 or so every month.
It doesn't mean you have to get your phone line changed - both NTL and Telewest charge you around pounds 10 for a line adapter. You just have to spend around the same on voice calls on their system every month.
Others with BT phones will pay a one-off charge of pounds 10 for a line adapter and will have to spend at least pounds 10 a month on NTL voice calls.