Dell PowerEdge R510 - Diagnostic Lights (Optional)

Dell
PowerEdge R510 Technical Guide 27
Figure 21. R510 Static Rails in Rack
4.9 Fans
4.9.1 Fan module
PowerEdge R510-4 and PowerEdge R510-8 have the same fan module.
Figure 22. Fan Module
4.9.2 Fan Location and Installation
PowerEdge R510-4 has four fan modules (it does not have the fan circled in red as shown in Figure 23).
PowerEdge R510-8 has five fan modules.