Patton electronic DIALFIRE 2977 - Manual (Page 30)

Model 2977 B4 U adapter installation 30
Model 2977 DialFire RAS User Manual 3 • Installing the Model 2977 adapter
Figure 4. DialFire BRI connectors
9. Connect the telephone line(s) to the adapter (see figure 4 for connector locations).
Adapter installation is complete. Refer to Chapter 4, “Driver installation and configuration”.