Nortel Networks BCM50 - Manual (Page 51)

Chapter 2 Introducing the BCM50 hardware 51
Installation and Maintenance Guide
Power supply
The power supply is an external device that connects to the BCM50 units. See the figure BCM50
power supply on page 51. You must have one power supply for each unit in your BCM50 system.
Figure 22 BCM50 power supply
A BCM50 power supply is included with each main unit and expansion unit.
In addition, international (non-North American) users require a power supply adapter cord for
each main unit and expansion unit.
Power supply adapter cord (international users)
The power supply adapter cord is for international (non-North American) BCM50 users. The cord
connects to the power supply on one end and to the (C-14) BCM50 power bar on the other end.
You require one power supply adapter cord for each power supply you want to connect to the
power bar.
Uninterruptable power supply
An uninterruptable power supply (UPS) is an optional device that maintains continuous operation
during a power interruption or failure. The UPS provides power source monitoring and battery
backup activation so that critical BCM50 functionality is maintained.
During a power failure, the UPS provides sufficient time to either correct the problem or activate a
contingency plan to sustain services. The UPS performs a graceful shutdown of the BCM50 two
minutes before the UPS battery power is drained.
The BCM50 supports American Power Conversion (APC) UPS devices that use a USB control
interface. The APC UPSs include the APC UPS-Smart family (for example, UPS-Smart 750 and
UPS-Smart 1000) and UPS-Back family (for example, UPS-Back 500 ES and UPS-Back 350 ES).
You can use the UPS control software to configure various operational settings.
To BCM50
unit To wall
outlet Power supply
cord Power supply
cable (NA shown)