46 Installing the PowerConnect 3524/P and PowerConnect 3548/PFigure 3-6. Stacking Configuration and Identification PanelEach stack device has a unique identifying unit ID that defines the unit’s position and function inthe stack. If the device is a stand-alone unit, the Stack LED is not illuminated. The default settingis stand-alone.The unit ID is manually configured by using the Stack ID button. The unit ID is indicated by the StackID LEDs. Unit ID 1 and 2 are reserved for the Master and Backup Master unit, and unit ID 3 to 8 are forMember units.Unit ID Selection ProcessThe unit ID selection process is as follows:1 Ensure that the stand-alone/Master device Console port is connected to a VT100 terminal device orVT100 terminal emulator via the RS-232 crossover cable.2 Locate an AC power receptacle.3 Deactivate the AC power receptacle.4 Connect the device to the AC receptacle.5 Activate the AC power receptacle.When powering up, the configured LED number (corresponding to the previously saved unit ID) beginsto flash. The LED flashes for 15 seconds. During this period, select a specific Stack ID by pressing theStack ID button until the appropriate Stack ID LED is illuminated.
