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128 Chapter 5 Business Communications Manager System Startup
P0993133 03
Check Power and Wiring
The Business Communications Manager system is available as North American and International
versions. Ensure that the power supply is correct for your location.
• 2.0 hardware has a standard power supply which requires manual adjustment for the voltage
by setting a switch located on the face of the power supply.
• 2.5 and 3.0 systems have standard power supplies and redundant power supplies which adjust
automatically to the required voltage.
Follow this procedure to check the voltage and wiring, and power up the system:
1 Check all wiring before connecting power to the Business Communications Manager units.
2 Connect the Business Communications Manager power cord to an electrical outlet that is a
non-switchable, third wire ground ac outlet.
If you use a power bar, plug the power cords into the power bar and connect the power bar to
the ac outlet.
3 Connect the Business Communications Manager expansion unit power cord to an electrical
outlet that is a non-switchable, third wire ground ac outlet.
4 This procedure is complete.
Warning: Connecting power
Always connect power to the Business Communications Manager platform system and
expansion units before you reconnect the cabling to the front of the units.
Danger: Do not fasten power supply cords.
Do not fasten the Business Communications Manager or Business Communications
Manager expansion unit power supply cords to any building surface.