Avaya (109352-E, Uživatelský manuál Strana 115

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Hot-Swapping Hardware Components
109352-E Rev. A 5-19
To keep the BCN RLC powered up while you turn off a power switch or remove a
power cord for a power source, ensure that the other power source has two
working power supplies.
If you power up the BLN-2 or BCN with an insufficient number of power modules
to supply its configuration, or if you remove a power module necessary to supply
sufficient power, the power modules go into overcurrent mode, and the hardware
platform powers off.
The maximum number of ILIs for the BCN RLC is 10.
Before removing a power module, verify that the remaining power modules can
provide sufficient power for your hardware platform. The total ampere draw for all
hardware platform modules must not exceed the total ampere supply of the
hardware platform power modules.
To determine if your hardware platform has enough power to support your ILI
configuration:
1. Add the ampere draw at +5 volts for each link module and routing engine
processor module together to obtain the total current draw for your ILI
configuration.
Refer to the data sheets provided with each link module and routing engine
processor module to determine the ampere draw at +5 volts.
2. Add the current supply at +5 volts for each power module in the
hardware platform.
Each power module provides up to 90 amperes @ +5 volts.
3. Subtract the total current draw (Step 1) from the total current supply
(Step 2).
Note: For the BCN RLC, note that only the two bottom power supplies are
powered by Source A, and only the two top power supplies are powered by
Source B.
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