User's Guide
Page 11
... Copper ports which can function either as a stand-alone device. This User Guide contains the information needed for installing, configuring, and maintaining the device. The PowerConnect 3524 is a stackable device, but also operates as stacking ports when the device is stacked. Introduction Dell™ PowerConnect™ 3524/3548 and PowerConnect 3524P/3548P are stackable, advanced multi-layer devices.
... Copper ports which can function either as a stand-alone device. This User Guide contains the information needed for installing, configuring, and maintaining the device. The PowerConnect 3524 is a stackable device, but also operates as stacking ports when the device is stacked. Introduction Dell™ PowerConnect™ 3524/3548 and PowerConnect 3524P/3548P are stackable, advanced multi-layer devices.