AT&T Merlin 820 Service And Maintenance Manual page 27

Step 9. Unplug the control unit power cord from the ac outlet and plug it into the
AC Output outlet on the auxiliary power unit.
Step 10. Plug the auxiliary power unit connector back into the control unit (see
Figure 7).
Step 11. Connect the auxiliary power unit ac power cord to the ac outlet (see Fig-
ure 7).
Make sure the control unit power cord is properly connected to the auxili-
Step 12.
ary power unit (see Figure 7).
AUXILIARY
POWER UNIT
AUX
POWER
Figure 7—Auxiliary Power Unit Connections
AUXILIARY POWER CORD
AC
AC
OUTPUT
INPUT
AUXILIARY POWER UNIT
AC POWER CORD
CONTROL UNIT
AC POWER CORD
Basic Trouble Tests
CONTROL
UNIT
Off On
3–PRONG
AC OUTLET
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