Brocade Communications Systems VDX 8770-8 Installation Guide Page 23

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CAUTION
For the NEBS-compliant installation of a Brocade device with AC or DC systems, use a ground
wire of at least 2 AWG. The ground wire should have an agency-approved crimped connector
(provided with the device) attached to one end, with the other end attached to building ground.
The connector must be crimped with the proper tool, allowing it to be connected to both ground
screws on the enclosure. Before crimping the ground wire into the provided ground lug, ensure
that the bare copper wire has been cleaned and antioxidant is applied to the bare wire. In
addition, anti-rotation devices or lock washers must be used with all screw connections for the
grounding wire.
Preparing for the installation
Review the following before installing the device:
Refer to Cautions and Danger Notices on page 107 to review safety precautions and translations.
Refer to "NEBS requirements on page 21" to ensure compliance with NEBS-GR-1089 standards
Refer to the Brocade VDX 8770 Switch Technical Specifications on page 95 to ensure power
supply standards are met before installing the chassis and to review the to environmental
requirements.
Refer to "Preparing for the installation" section to plan for cable management.
DANGER
The procedures in this manual are for qualified service personnel.
NOTE
Brocade strongly recommends that devices be installed in environments that have minimal dust and
airborne contaminants.
The following steps are required to ensure correct installation and operation.
1. Ensure that doorways are wider than 91 cm (36 in.) to accommodate the device.
2. Provide a space that is 15 rack units (15U) high, 61.29 cm (24.09 in.) deep, and 43.74 cm (17.22 in.)
wide. One rack unit is equal to 4.45 cm (1.75 in.).
Plan to install the Brocade device with the port side facing the air-intake aisle. Airflow is from the port
side of the device to the fan side.
Ensure that the rack is balanced and mechanically secured to provide stability in the event of an
earthquake and that the equipment does not exceed the rack’s weight limits.
DANGER
Make sure the rack housing the device is adequately secured to prevent it from becoming
unstable or falling over.
3. Ensure that dedicated electrical branch circuits with the following characteristics are available:
Up to eight dedicated fused 200-240 VAC, 50-60 Hz feeds or -48 VDC (one per power supply)
One cable for each power supply
Preparing for the installation
Brocade VDX 8770-8 Hardware Installation Guide 23
53-1002564-07
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