Behind Switch Mode - AT&T MERLIN LEGEND System Reference Manual

Functional Description
Figure 4-5

Behind Switch Mode

Modifications
In addition to accessing the pool of outside lines in the host switch, the system
can be modified to bypass the host switch and provide direct access to outside
lines—for example, to connect WATS lines directly to the control unit so that
they are available only for users in the Behind Switch mode (see Figure 4-6).
Modes of Operation 4-17