An analog loopback is a modem self-test that sends data to the modem’s transmitter, turned into analog form, looped back to the receiver, and converted back into digital form. An analog loopback helps test the modem for any hardware errors without using the modem to make a call another computer.
Analog, Loopback, Modem terms, Test
Related information
- How to install a computer modem.
- Modem help and support.