AT&T RELEASE 2 - Manual (Page 39)

Step 5: Adding Accessories
Once you have installed your MERLIN Plus system, you may want to add
accessories to enhance its capabilities.
ACCESSORY EQUIPMENT You can connect the headset adapter or the general purpose adapter to the
port labeled OTHER on the voice terminal. A headset can be plugged into
the headset adapter while the general purpose adapter allows you to connect
Touch-Tone (not rotary) equipment, such as modems, autodialers, answering
machines and telephone extensions (including cordless telephones) to your
voice terminals. See Figure 27.
FIGURE 27 MERLIN Plus system accessories that plug into a voice terminal’s
OTHER port.
Step 5: Adding Accessories 35