AT&T MERLIN MAIL System Programming And Maintenance Manual page 53

Installation
2.
Connect the two (for a two-port) or four (for a four-port) modular
telephone cords into the appropriate ports (jacks) on the MERLIN
MAIL—ML system. The MERLIN MAIL—ML ports are numbered 1
through 4 (see Figure 2-6).
3. Connect the other end of the modular telephone cords into telephone
jacks on the MERLIN LEGEND Basic Telephone (012) Module. Refer to
MERLIN LEGEND System Form 2a: System Numbering—Station Jacks
for proper jack assignments.
4.
Set the 115/230V switch to the appropriate voltage.
Plug the power cord provided into the unit's AC Power In socket.
5.
6. Plug the MERLIN MAIL—ML unit into a grounded AC electrical source,
preferably on the same branch circuit as the MERLIN LEGEND System.
7.
Switch the unit on. (The on/off switch is located in the center of the rear
panel.)
Installing the MERLIN MAIL—ML Unit
2-11