PowerEdge R410 Technical Guidebook11Dell4.8 Rails and Cable ManagementTable 6. Rails and Cable Management DescriptionsRails Support for low cost static railsSupport sliding railsSupport for tool-less installation in CEA-310-E compliantsquare hole 4-post racks IncludingSupport for Dell 2410 24U RackSupport for Dell 4210 RackSupport for HP/Compaq 10xxx seriesSupport for tooled or tool-less installation in CEA-310-Ecompliant round hole 4-post racks (tool-less preferred)Support for flush and center mount installation in CEA-310-Ecompliant 2-post racks (1U and 2U only)Full extension required (to allow serviceability of key internalcomponents)Cable Management Arm (CMA) Support for maximum number of cables supported bysystemSupport for status indicator cableTo be shipped separately from rail kitIf sliding rails are supported, then require CMA.Table 7. MODs in BOM ListFU435 MOD,RCKRL,CMA,1UMP488 CUS,RCKRL,CMA,1UPT642 MOD,RCKRL,NO RAILS,1UU944M MOD,RCKRL,2/4PST,1U,STAT,SFFW625M CUS,RCKRL,2/4PST,1U,STAT,SFFX196M MOD,RCKRL,RDYRL,1U,SL,SFFY160M CUS,RCKRL,RDYRL,1U,SL,SFF4.9 FansThere are total of six fans with redundant PSU in the system and four fans with non-redundant PSU.Figure 13 shows:• Four fans at right are the fans for the system, especially for the CPUs and memories.• Two fans at left are there when the system is configured with redundant PSU. They cool downthe redundant PSU.