Operating: 0 to 45°C (32°F to 113°F)Storage: 40°C to +70°C (40°F to +158°F)RequirementItemTemperatureRelativehumidityCleannessVentilationSpaceOperating: 5% RH to 95% RH (noncondensing)Storage: 5% RH to 95% RH (noncondensing)• Dust buildup on the chassis might result in electrostatic adsorption, which causes poorcontact of metal components and contact points. In the worst case, electrostaticadsorption can cause communication failure.• Prevent corrosive gases from entering the installation site.• A minimum clearance of 10 cm (3.94 in) is reserved around the inlet and outlet air vents.• The rack for the router has a good cooling system.• The installation site has a good cooling system.• As a best practice, reserve a minimum clearance of 1 m (3.28 ft) between the rackand walls or other devices.• Reserve enough space around the rack for cable routing.Safety recommendationsTo avoid equipment damage or bodily injury, read the following safety recommendations beforeinstallation. Note that the recommendations do not cover every possible hazardous condition.Examining the installation siteThe router can be used only indoors. For the router to operate correctly and have a prolongedservice time, the installation site must meet the following requirements.Tool list• Pay attention to the warnings and safety symbols on the router and operate therouter accordingly.• Always wear an ESD wrist strap and make sure it is reliably grounded before youinstall the removable components.• Do not install the chassis, FRUs, or cables when the router is powered on.• To avoid equipment damage or bodily injury, make sure the router is reliably groundedbefore powering on the router.• To ensure good ventilation, install a filler panel in an unused slot.• This document provides a brief guide for installing H3C CR16000-M routers. For moreinstallation information, see H3C CR16000-M Routers Installation Guide.• The figures in this document are for illustration only.• The installation procedure is similar for the CR16000-M routers. The following uses aCR16000-M8 router as an example unless otherwise specified.• Paper manuals cannot be updated in real time with product changes.For most recentproduct information,see the E-manuals at the official website.Installation accessoriesPrepare the following installation tools yourself as required.Flat-bladescrewdriverPhillipsscrewdriverNeedle-nosepliersDiagonalpliersMarkerClawhammerWire-strippingpliersCablemanagementbracketGroundingcableCage nut M6 screw ESDwrist strapcable tieInstalling the routerUse a minimum of two people to move the router. As a best practice, use a mechanicallift for heavy models.Attaching cage nuts to the rackInstalling the router in a rack1. Use a pattern tool to record the installation holes of the mounting brackets and mark thecage nut holes on the rack posts accordingly.2. Install cage nuts on the square holes.H3C CR16000-M Routers Installation Quick Start-6PW103BOM:3104A0V1This section only lists the most commonly used installation accessories.