AT&T Release 2.0 Telephone User Manual


 
Installing the Control Unit
The AC power requirements indicated in the next section, “AC Outlet
Tests” must be met.
CAUTION:
The AC outlet for the control unit cannot be switch-controlled.
Plugging the control unit into such an outiet invites accidental
disconnection of the system. The AC outlet must be properly wired
as described in the next section, “AC Outlet Tests.”
AC Outlet Tests
If the AC outlet tests indicate that any of the power requirements in Table 2-2
are not met, your customer must contact a licensed electrician. Do not install
the system until all requirements are met.
Table 2-2. AC Power Requirements
Parameter
Value
Nominal voltage
117
Voltage range
110-125
Frequency
60±5%
Maximum current
3 per power supply
Power consumption
225 per power supply
Unit
VAC
VAC
Hz
amps
watts
2-8
Power and Grounding