Dell PowerConnect M6220 User's Guide - Page 56

Stacking PowerConnect M6348 Stacking You can stack up to 12 PowerConnect M6348, supporting up to 576 1-GB ports. Create a stack by connecting adjacent units using the stacking ports on the bottom of the switch panel. See Figure 4-5. Note: The PowerConnect M6348 and M6220 can not be stacked together. 1. For each switch in the stack, connect one of the short stacking cables from stacking port one on the switch to stacking port two on the next switch. 2. If necessary, use a separately purchased, long (3 meter) stacking cable to connect the switches. Repeat this process until all of the devices are connected. 3. Use the remaining stacking cable to connect the remaining free ports, from port one of the last switch to port two of the first switch. Figure 4-4. Connecting a Stack of PowerConnect M6348 Switches upper and lower stacking ports stacking cable 54 Hardware Description