1 Basic Storage Array InformationThis chapter includes information about the location and basic operation of the replaceable components in astorage array, tools and equipment you will need, protecting hardware from electrostatic discharge, and poweron and off operations.About the PS4210 ArrayThe PS4210 is a PS4x10 10GbE class EqualLogic® PS Series array that continues the focus by Dell™ onindustry-standard features and capabilities for the midrange iSCSI SAN market.PS4210 FeaturesThe PS4210 array is available in a 2U chassis with up to 24 2.5-inch drives, or 12 3.5-inch drives.Features of the PS4210 array include:• Two hot-swappable Type 19 control modules, which contain increased memory (8GB per controller) and amore powerful processor than previous generation controllers• Ethernet ports:– Two pairs of 10Gb/s dual-media interfaces (10GBASE-T/SFP+)– Ability to auto-negotiate down to 1Gb/s interface (10GBASE-T ports only)• Support for ReadyRails™ IIRecommended ToolsYou will need the following items to perform the procedures in this section:• Bezel key• Wrist grounding strapProtecting HardwareProtect your PS Series array from electrostatic discharge. When handling array hardware, use an electrostaticwrist strap or a similar form of protection. To use a wrist strap:1. Connect the steel snap on the coil cord to the stud on the elastic band. See Figure 1.Figure 1: Using an Electrostatic Wrist Strap1