AT&T 518-600-016 manual Basic Telephone and Modem Interface

Basic Telephone and Modem Interface 2

The Basic Telephone and Modem Interface 2 (BTMI-2) connects most types of telephones to analog module jacks on the control unit (Figure 2-34).

NOTE: The BTMI-2 replaces the BTMI, which is no longer available.

2-124 Adding Accessories