Comtech EF Data SDM-9220 - Manual (Page 40)

SDM-9220/9230 Hardware Installation Guide
3-4 Memotec Inc.
3.1.4 Environmental Requirements
For trouble-free operation of the SDM-9220/9230 its location must satisfy the following
environmental criteria:
• Operating temperature: 0
C to 45C (32F to 113F)*
• Storage temperature: -20
C to 65C (-4F to 149F)
• Relative humidity: 10% to 90%, non-condensing
• Maximum operating altitude: 4572 meters (15 000 feet)*
• Ventilation requirement: leave 5 cm (2 inches) of unobstructed space around the
unit. All unused slots must be closed with a plate.
* NOTE: Above 3048 meters (10 000 feet) altitude the maximum operating temperature
of the unit drops from 45°C to 35°C.