AT&T 3.0 manual AC Power Requirements Parameter Value

AC Power and Grounding

Table 2-2. AC Power Requirements

Parameter	Value
Nominal voltage	117VAC
Voltage range	110-125 V AC
Frequency	60 Hz +/– 5%
Maximum current	3 amps per power supply
Power consumption	225 watts per power supply

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.

If the AC outlet tests reveal any of the following conditions, they must be corrected before you install the system:

■Open ground

■Hot and neutral reversed

■Open hot

■Open neutral

■Hot and ground reversed

WARNING:

Hazardous voltages are present during the following tests. Follow all instructions carefully when working with AC power line voltages.

Using an Ideal 61-035 Circuit Tester (or Equivalent)

1 Plug the circuit tester into the outlet that you want to test.

2-8Installing the Control Unit