Rail And Supported Rack Specifications - Lenovo HX1310 Installation And Service Manual

• The minimum humidity level for class A3 is the higher (more moisture) of the -12°C dew point and
the 8% relative humidity. These intersect at approximately 25°C. Below this intersection (~25°C) the
dew point (-12°C) represents the minimum moisture level, while above it relative humidity (8%)
is the minimum.
• Moisture levels lower than 0.5°C DP, but not lower -10 °C DP or 8% relative humidity, can be
accepted if appropriate control measures are implemented to limit the generation of static electricity
on personnel and equipment in the data center. All personnel and mobile furnishings and equipment
must be connected to ground via an appropriate static control system. The following items are
considered the minimum requirements:
– Conductive materials (conductive flooring, conductive footwear on all personnel that go into the
datacenter, all mobile furnishings and equipment will be made of conductive or static dissipative
materials).
– During maintenance on any hardware, a properly functioning wrist strap must be used by any
personnel who contacts IT equipment.
• 5°C/hr for data centers employing tape drives and 20°C/hr for data centers employing disk drives.
• Chassis is removed from original shipping container and is installed but not in use, for example,
during repair, maintenance, or upgrade.
• The equipment acclimation period is 1 hour per 20°C of temperature change from the shipping
environment to the operating environment.
• Condensation is acceptable, but not rain.

Rail and supported rack specifications

Option name
Option part number
Rail type
Supported rack type
Service on rack
Cable management arm (CMA) support
1U PDU support
0U PDU support
Mounting holes
Thickness of mounting flanges
Distance between front and rear mounting flanges
Rail length (measured when mounted on the rack,
starting from the front surface of the front mounting
flange to the rear most point of the rail)
System x Gen II Universal Slides Kit
00KA500
Full-out slide rail (ball bearing)
Any four-post rack, complying with the International
Electrotechnical Commission (IEC) standard
If a 0U PDU is to be installed, read the notes at the bottom.
Yes
Yes
Yes
Limited support. Read the notes at the bottom.
Square, round, or threaded
2 mm (0.08 inches) – 4.65 mm (0.18 inches)
617 mm (24.29 inches) – 812 mm (31.97 inches)
836.8 mm (32.94 inches)
.
Chapter 1 The Lenovo Converged HX Series server
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