vi User’s Manual
One of the labels is located on the module.
Pursuant to FCC CFR 47, Part 68:
When you are ready to install or use the modem, call your local telephone
company and give them the following information:
The telephone number of the line to which you will connect the modem
The registration number that is located on the device
The FCC registration number of the modem will be found on either the
device which is to be installed, or, if already installed, on the bottom of the
computer outside of the main system label.
The Ringer Equivalence Number (REN) of the modem, which can vary.
For the REN of your modem, refer to your modem’s label.
The modem connects to the telephone line by means of a standard jack
called the USOC RJ11C.