AT&T RELEASE 2 - Manual (Page 7)

Step 1: Installing the Control Unit
FCC REGULATIONS To comply with FCC regulations, notify your local telephone company of the
following before permanently connecting your system to their lines:
● System registration number: AS593M-13529-KF-E
PREPARE THE NETWORK
INTERFACE
● Ringer equivalence number: 0.8A
● Telephone numbers of the lines to which you are connecting your system
For more information on FCC requirements and regulations, see "FCC
Registration and Repair Information" at the end of this manual.
The local telephone company provides you with the telephone numbers for
your outside telephone lines as well as an installed network interface with
1-line (RJ11-type) adapters, 2-line (RJ14-type) adapters, or a 50-pin (RJ21-type)
connector. See Figure 2.
Figure 2 Network interface 1-line and 2-line adapters, and a 50-pin connector.
Step 1: Installing the Control Unit 3