Dell EMC PowerSwitch S4100-ON Series - Page 80

The stacking ports (shown in the following illustration) include LED displays for port status.
Figure 21. Stacking Port LEDs
1. Stack port 1: ACT.
2. Stack port 1: LNK.
3. Stack port 2: ACT.
4. Stack port 2: LNK.
Table 8. Stacking Port LEDs
Feature Detailed Description
Link LED (single color LED)
• Off — no link.
• Solid green — link.
Activity LED (single color LED)
• Off — no link.
• Blinking green — activity.
S3100 Series Systems 27