Laser Precautions; Facility Requirements - IBM Storage Networking SAN128B-6 Installation, Service And User Manual

CAUTION:
To prevent damage to the chassis and components, never attempt to lift the chassis using
the fan or power supply handles. These handles were not designed to support the weight
of the chassis.
18-32 kg (39.7-70.5 lbs)

Laser precautions

DANGER
DANGER

Facility requirements

Before installing the device, be sure the following facilities requirements are met.
Table 5. Facility requirements
Type Requirements
Electrical
v Adequate supply circuit, line fusing, and wire size, as specified by the electrical rating on
v Circuit protected by a circuit breaker and grounded in accordance with local electrical
Thermal
v A minimum airflow of 79.8 cubic meters/hour (47 cubic ft/min.) available in the
v Ambient air temperature not exceeding 40°C (104°F) while the switch is operating
Rack (when
v Two rack unit (2U) in a 48.3 cm (19-inch) rack
rack-mounted)
v All equipment in the rack grounded through a reliable branch circuit connection
v Additional weight of switch not to exceed the rack's weight limits
v Rack secured to ensure stability in case of unexpected movement
All fiber-optic interfaces use Class 1 lasers.
Use only optical transceivers that are qualified by IBM and comply with the FDA
Class 1 radiation performance requirements defined in 21 CFR Subchapter I, and with
IEC 60825 and EN60825. Optical products that do not comply with these standards
might emit light that is hazardous to the eyes.
the switch nameplate
codes
Refer to the Technical Specifications at the end of this guide for complete power supply
specifications.
immediate vicinity of the switch
Note: Although this airflow may exceed the airflow maximum listed in the device
Technical Specifications, the additional airflow is recommended to pressurize the inlet
(cool isle) side of rack installations relative to the exhaust side to minimize recirculation
of hot air back to the inlet side.
Preparing for the Installation
9