Altitude requirement of the CH222


Altitude requirement of the CH222:
When the device is used at an altitude of 900 m to 3000 m (2952.8 ft to 9842.5 ft), the highest operating temperature decreases by 1°C (1.8°F) as the altitude increases by 300 m (984.24 ft).

Other related questions:
What impact of a high altitude has on S series switches
Normal operations of S series switches have requirements for the altitude. An increasing altitude will affect the working temperature range of some switches. You can use Enterprise Network Product Hardware Query Tool to query the operating altitude and temperature of a switch. Click a switch model under Chassis in the query result, and view specifications of this switch.

Powering off an E9000
Power off an E9000 as follows: 1. Power off the blades or switch modules in an E9000 chassis using the MM910 Web interface. For details, see 2. Disconnect the E9000 power cable from the mains supply.

What's Construction Requirements
Area The TR should be able to house all the planned equipment. Indoor height The indoor height indicates the distance between the floor and the beam or ventilation pipe of the TR. The height cannot be less than 3 meters. Floor It is recommended that the TR also have a movable raised floor properly. The horizontal tolerance in each square meter must be less than 2 meters. If a movable raised floor is not available, static electricity conductive floor materials with the volume resistivity of 1.0 x 107 ohms to 1.0 x 1010 ohms should be used instead. The static electricity conductive floor materials or the movable raised floor must be connected to a ground point through a current limiting resistor and a connection line. The resistance of the current limiting resistor should be 1 megohm. Load-bearing capacity The load-bearing capacity should be greater than 450 kg/m2. Doors and windows The doors and windows must be sealed with dust-proof plastic tapes. It is recommended that windows be constructed with double-layer glass and be sealed properly. Wall surface The walls can be pasted with wallpapers or daubed with flat paint. Note that the paint that can be easily pulverized must not be used. Water pipe It is recommended that water supply pipes, drainpipes, and storm sewers should not be routed across the TR. Fire hydrants must be installed in a corridor or near a staircase where convenient access is possible. Internal partition wall The area where the server is installed should be isolated from the door of the TR by an internal partition wall, because an internal partition wall can prevent dust from entering. Installation position of air conditioners Air conditioners should be installed in a proper position where the air does not blow directly at the server. Other requirements Measures should be taken to prevent micro-organisms such as fungi and molds and rodents such as rats from entering the TR.

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