Table 1-4 Requirements for the operating environment of the N68E cabinet
Ambient Temperature Relative Humidity
l Long term: 5°C to 40°C
l Short term: -5°C to +45°C
l Long term: 5% to 85% RH
l Short term: 5% to 90% RH
NOTE
l The temperature and humidity of the equipment room refers to the values measured 1.5 m above the
ground and 0.4 m in front of the equipment.
l The short term means that the operating time does not exceed 48 hours continuously or 15 days a year.
1.2.5 Structural Features of the N68E cabinet
The N68E cabinet has the following structural features: cabinet material, cabling mode, ESD
jack, heat dissipation, protection performance, installation scenarios, cabinet combination.
Cabinet Material
The N68E cabinet is a cabinet with electro-galvanized steel sheets and cold-rolled steel sheets
assembled by screws. The fireproof performance of internal materials complies with the
standards of the Underwriter Laboratories (UL).
Cabling Mode
Cable apertures are reserved on the top and at the bottom of the N68E cabinet, so that the N68E
cabinet supports overhead cabling and underfloor cabling:
l In the overhead cabling mode, external cables enter the cabinet through the top of the
cabinet. Figure 1-8 shows the cable apertures.
l In the underfloor cabling mode, external cables enter the cabinet through the bottom of the
cabinet.
NOTE
S9300 is in the overhead cabling mode.
Quidway S9300 Terabit Routing Switch
Hardware Description 1 Cabinets
Issue 01 (2010-12-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1-11
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