CX320 Switch Module
User Guide
2.9 Technical Specifications
This topic describes the physical, environmental, power, and network switching specifications
of the CX320.
Table 2-8 Technical specifications
Category
Physical
specifications
Environmental
specifications
Issue 09 (2019-08-02)
Item
Dimensions (H
x W x D)
Color
Weight
Temperature
Relative
humidity (RH,
non-
condensing)
Altitude
Corrosive air
pollutant
Particulate
pollutant
Copyright © Huawei Technologies Co., Ltd.
Specifications
388.55 mm x 35.06 mm x 272.15 mm (15.30 in. x
1.38 in. x 10.71 in.)
Silver
2.9 kg
l Operating temperature: 5°C to 40°C (41°F to
104°F) (ASHRAE Class A3 compliant)
l Storage temperature: -40°C to +65°C (-40°F to
+149°F)
l Long-term storage temperature: 21°C to 27°C
(69.8°F to 80.6°F)
l Temperature change rate < 20°C/h (36°F/h)
l Operating humidity: 5% to 85%
l Storage humidity: 5% to 95%
l Long-term storage humidity: 30% to 69%
l Humidity change rate < 20%/h
At an altitude of 900 m (2952.72 ft), the highest
operating temperature is 40°C (104°F).
When the device is used at an altitude of 900 m to
5000 m, the highest operating temperature decreases
by 1°C (1.8°F) for every increase of 300 m (984.24
ft).
l Corrosion rate of the copper test piece < 300 Å/
month (in compliance with the ANSI/
ISA-71.04-2013 gaseous corrosion level G1)
l Corrosion rate of the silver test piece < 200 Å/
month
l The ISO14664-1 Class 8 requirements are met.
It is recommended that a professional company
monitor particulate pollutants in the equipment
room.
l There is no explosive, conductive, magnetic, or
corrosive dust in the equipment room.
2 Product Overview
32