AT&T Release 2.0 manual Replacing an Auxiliary Power Unit

Installing the Control Unit

Step 4b: Replacing an Auxiliary Power Unit

See Figure 2-15throughout this procedure.

a.Make sure that the switch on the power supply is turned off.

b.Unplug both the power supply and the auxiliary unit from the outlet.

c.Disconnect the cord from the jack labeled AUX POWER INPUT on the power supply.

d.Remove the auxiliary power unit (with the two cords still attached).

e.Mount the replacement auxiliary power unit in place of the old one.

f.Connect the cord into the jack labeled J2 DC OUTPUT on the replacement auxiliary power unit.

9.Connect the other end into the jack labeled AUX POWER INPUT on the power supply.

CAUTION:

■Do not plug the power supply or the auxiliary power unit into the AC outlet until you are ready to turn on the system, as described later in this chapter under “Powering Up the System.”

■Do not attach the power cord(s) to any building surfaces.

Installing the Processor 2-51