AT&T MERLIN PIus, Installer'S Manual, Page: 19 / 57

6 Plug the other end into a 120 VAC outlet.
The power light goes on. If the battery !ight flashes, routes have
not been programmed.
7 Reset the setup switches as described in Table 1-7.
TABLE 1-7 Switch Settings When Operating Unit
Switch Setting
Result
1 On Saves recorded
announcements during
power outage
2 On Saves routes and
programmable
features during power
outage
3 Off Does not use battery
backup to answer calls
during power outage
(See NOTE)
4 Off Not used
NOTE: During a power outage there is no need to use
battery backup to answer calls if the MERLIN
Attendant shares an Uninterruptible Power
Supply (UPS) with the MERLIN Plus system
control unit. If a UPS is not used with the control
unit, incoming calls cannot be answered by the
system during a power failure and therefore
cannot be directed to the MERLIN Attendant.
Connecting the MERLIN Attendant 1-11