The fan must be removed when routing cables internally from front to back. All cables should be routed using the cable channels in between the chassis sidewalls and the air duct side walls as shown by the blue arrows in the following illustration. When routing cables front to back, none should be routed through the center of the chassis or between system fans or DIMM slots.Figure: CS500 Model 1211 Internal Cable Routing Channels
Figure: CS500 Model 1211 8 x 2.5in Cabling
Figure: CS500 Model 1211 24 x 2.5in Cabling
Figure: CS500 Model 1211 8 x 3.5in Cabling
Figure: CS500 Model 1211 12 x 3.5in Cabling
Figure: CS500 Model 1211 2 x 2.5in Rear Accessory Drive Cabling