AT&T Release 2.0 Telephone User Manual


 
Installing the Control Unit
Powering Up the System
CAUTION:
Only when the system is completely installed, follow the procedure in
this section to power up the system. Failure to comply with this
procedure can result in shock hazard or damage to the equipment.
1.
2.
3.
4.
For each power supply and auxiliary power unit, if not already
connected, connect the AC power cord to the connector marked
AC
INPUT
on the power supply.
Plug the other end of the AC line cord into the AC outlet.
Starting from the rightmost power supply in the system, turn on the
power switch for each expansion carrier.
Turn on
The green power lights on each expansion carrier power
supply should turn on.
the power switch on the basic carrier power supply.
The green light on the power supply should turn on.
The red light on the processor should turn on for 15 to
45 seconds and then turn off.
All indicators on the 100D and 400EM modules (if present)
should turn on and then off. They remain off when the modules
are idle.
If any of these conditions are not met, see the Maintenance and
Troubleshooting guide for corrective action.
Powering Up the System
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