Environmental Precautions - Brocade Communications Systems VDX 6940 Series Hardware Installation Manual

CAUTION
All devices with DC power supplies are intended for installation in restricted access areas only. A restricted access area is where
access can be gained only by service personnel through the use of a special tool, lock and key, or other means of security, and
is controlled by the authority responsible for the location.
DANGER
The intra-building port or ports of the equipment or subassembly is suitable for connection to intra-building or unexposed
wiring or cabling only. The intra-building port or ports of the equipment or subassembly MUST NOT be metallically connected
to interfaces that connect to the outside plant (OSP) or its wiring. These interfaces are designed for use as intra-building
interfaces only (Type 2 or Type 4 ports as described in GR-1089-CORE, Issue 5) and require isolation from the exposed OSP
cabling. The addition of Primary Protectors is not sufficient protection in order to connect these interfaces metallically to OSP
wiring.
CAUTION
The Brocade device must be connected to external Special Protection Devices (SPD) when installed and connected to
commercial AC power.
NOTE
The unit is suitable for installation as part of the Common Bonding Network (CBN).
For the 500W DC power supply used on the Brocade VDX 6940-36Q, use the following caution.
CAUTION
For the DC input circuit to the system, make sure there is a 20 Amp circuit breaker, minimum -48 VDC, double pole, on the
input terminal block to the power supply. The input wiring for connection to the product should be copper wire, 12 AWG,
marked VW-1, and rated minimum 90°C.
For the 1100W DC power supply used on the Brocade VDX 6940-144S, use the following caution.
CAUTION
For the DC input circuit to the system, make sure there is a 40-amp circuit breaker, minimum 60 VDC, double pole, on the
input to the terminal block. The input wiring for connection to the product should be copper wire, 8 AWG, marked VW-1, and
rated a minimum of 90 degrees celsius.

Environmental precautions

For successful installation and operation of the device, ensure that the following environmental requirements are met:
∙
Fans supplied with the device move air either front to back (exhaust) or back to front (intake). Be sure to align the device with the
airflow pattern of any other devices in the rack. All equipment in the rack should force air in the same direction to avoid intake of
exhaust air.
CAUTION
Ensure that the airflow direction of the power supply unit matches that of the installed fan tray. The power supplies and
fan trays are clearly labeled with either a green arrow with an "E", or an orange arrow with an "I."
∙
Ensure that the airflow available at intake vents allows the maximum airflow as specified in the product Technical Specifications.
∙
Ensure that the ambient air temperature does not exceed that specified for maximum operational temperate in the product
Technical Specifications.
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Preparing for Installation
Brocade VDX 6940 Hardware Installation Guide
53-1003495-06