Avaya Ethernet Routing Switch 8300 Series, Руководство по установке

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Determining the minimum number of DC power supplies
Use the following procedure to determine the minimum number of power supplies to install for
the Avaya Ethernet Routing Switch 8300 system.
For more information, see Avaya Ethernet Routing Switch 8300 Installation — Chassis,
NN46200-309 .
Procedure steps
1. Add the total (3.3 V and 12 V) input power consumption (wattage) for all components
(modules and fan trays or cooling modules).
2. Refer to the output power rating of the power supply based on the input
connection.
If either the individual or the combined power requirements for the components
exceed the power supply rating, you need to add at least another power supply to
your configuration. For the 8005DI DC power supply specifications, see Model
8005DI DC power supply on page 45. For the 8005DC power supply
specifications, see Model 8005DC power supply on page 46
3. Consider your redundant power supply needs. If one power supply satisfies your
system power consumption needs, a second power supply provides redundancy. If
two power supplies satisfy your system power consumption needs, a third power
supply provides redundancy.
Preparing cables for installation
Prepare the cables for installation of the power supply of the Ethernet Routing Switch 8300.
Avaya does not supply the cables for connecting the DC power supply to the DC input power
source. Select cables that comply with the electrical code of the country where you use the
DC power supply.
Caution:
Risk of equipment damage
Make sure that the connection cable used with the DC power supply is appropriate for use
with the DC power source to which the power supply connects. Consider gauge,
flammability, and mechanical serviceability when you determine which cables to use.
Procedure steps
1. Strip 0.81 in. (2.1 cm) of insulation from the ends of the cables.
2. Crimp the lugs onto the cables using a standard crimping tool.
Determining the minimum number of DC power supplies
Installation — DC Power Supply May 2011 27