NonStop NS1200 Planning Guide

NOTE: Cabinet stability is of special concern when equipment is routinely installed, removed,
or accessed within the cabinet. Stability is addressed through the use of leveling feet, baying kits,
fixed stabilizers, and/or ballast.
For information about best practices for cabinets, your service provider can consult:
• HP 10000 G2 Series Rack User Guide
• Best practices for HP 10000 Series and HP 10000 G2 Series Racks
Environmental Specifications
This subsection provides information about environmental specifications and covers these topics:
• “Heat Dissipation Specifications and Worksheet” (page 48)
• “Operating Temperature, Humidity, and Altitude” (page 48)
• “Nonoperating Temperature, Humidity, and Altitude” (page 49)
• “Cooling Airflow Direction” (page 49)
• “Typical Acoustic Noise Emissions” (page 49)
• “Tested Electrostatic Immunity” (page 49)
Heat Dissipation Specifications and Worksheet
Total (BTU/hour)Unit Heat (BTU/hour
with both AC lines
powered)
Unit Heat (BTU/hour
with single AC line
powered)
Number InstalledEnclosure Type
1160955
Blade element
(rx2660)
1112893VIO enclosure
1
1187990Fibre Channel disk
module
2
-150Maintenance switch
(Ethernet)
3
-696Rackmount system
console with
keyboard and display
1 Measured with PICs installed in slots 1, 2, 5, 6a/7a, 7b, and 7c; PIC in slot 7c had two external connections. Sysex
was running. Fans were running at full speed.
2 Measured with 14 disk drives installed and active.
3 Maintenance switch has only one plug. If a UPS is installed in the modular cabinet, the maintenance switch plug
must be connected to the extension bars on the right side of the modular cabinet.
Operating Temperature, Humidity, and Altitude
Maximum Rate of Change
per Hour
Recommended Range
1
Operating Range
1
Specification
9° F (5° C) Repetitive
36° F (20° C) Nonrepetitive
68° to 77° F
(20° to 25° C)
41° to 95° F (5° to 35° C)Temperature (all except
Fibre Channel disk module)
1.8° F (1° C) Repetitive
5.4° F (3° C) Nonrepetitive
-50° to 95° F
(10° to 35° C)
Temperature (Fibre Channel
disk module)
48 System Installation Specifications