Cisco DC Power Entry 10005 ESR, Руководство по установке

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7
Cisco 10005 ESR DC Power Entry Module Installation
78-12653-01
Prerequisites and Preparation
Required Tools and Equipment
Table 1 lists the tools and equipment you need to install a DC PEM.
Table 1 Tools and Equipment
Quantity Description Comments
1 Antistatic wrist or ankle strap
with connection cord Prevents damage to equipment
from electrostatic discharge
(ESD).
1 Number 2 phillips screwdriver —
1 Flat-blade screwdriver. We
recommend a torque-limiting
screwdriver. Blade should measure 1.0 mm
thick by 4.0 mm wide. An
appropriate screwdriver is
available from Phoenix Contact
Inc. of Harrisburg, PA, USA.
1 Wire stripping tool Choose a tool that does not nick
the internal wire.
2 or 4 Tie wraps —
1 Metric measuring tape or ruler —
1 Marking pen —
1 Voltmeter —
3 or 6
(length
varies) 6 AWG (recommended) copper
wires long enough to reach from
the Cisco 10005 chassis to the
DC power source.
•
Three wires (two power, one
ground) are needed for a
single DC power source.
•
Six wires (four power, two
ground) are needed for two
DC power sources.
The wires must meet these
specifications:
•
Conductor size 6 AWG or
8 AWG (6 AWG preferred)
•
Diameter:
–
Minimum: 3.38 mm
– Maximum: 4.52 mm
• Multistranded copper
construction