Altitude requirement of the CH121 V3

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Altitude requirement of the CH121 V3:
40℃@900m
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:
Powering on an E9000
Power on an E9000 server as follows: ? If the E9000 chassis is not powered on, connect the power cables to the mains supply. The blades, switch modules, and management modules will be powered on with the chassis. ? If the chassis is powered on but the blades, switch modules, and management modules are not installed, install the modules. These modules will be automatically powered on after being installed. ? In routine maintenance, power on or off the blades or switch modules on the MM910 Web interface. For details, see http://support.huawei.com/ehedex/pages/DOC1000053358YEF0907R/08/DOC1000053358YEF0907R/08/resources/en/osca/smma_help_r2/it_osca_smma_900020.html.

BMC password complexity
Complexity check is enabled by default for iBMC password and SNMP community names. The password and SNMP community names must meet the following requirements: ? Contain 8 to 20 characters. ? Contain at least a space or one of the following special characters: `~!@#$%^&*()-_=+\|[{}];:'",<.>/? ? Contain at least two types of the following characters: ? Uppercase letters A to Z ? Lowercase letters a to z ? Digits 0 to 9 ? Cannot be the same as the user name or the user name in reverse order. Only the system administrator can enable or disable the password complexity check.

BIOS password complexity
The server BIOS password must meet the following complexity requirements: ? Contain 8 to 16 characters ? Contain at least a space or one of the following special characters: `~!@#$%^&*()-_=+\|[{}];:'",<.>/? ? Contain at least two types of the following characters: ? Uppercase letters A to Z ? Lowercase letters a to z ? Digits 0 to 9 ? Cannot be duplicate with the last five passwords that were recently used.

Installing OS on a server
Use the Huawei Server Compatibility Checker (http://support.huawei.com/onlinetoolsweb/ftca/en) to check the OS supported by the server. For details about the OS installation methods (using ServiceCD, DVD-ROM drive, image, and PXE), see OS Installation Guide. For details about the OS installation cases (including centOS, Citrix, Debian, Fedora, FreeBSD, Kylin, Oracle Linux, RedFlag, RedHat, Rocky, Solaris, SUSE, Ubuntu, VMware ESXi, and Windows), see http://support.huawei.com/huaweiconnect/enterprise/thread-286397.html.

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