Dell Networking S3100 Series Getting Started Manual page 17

Feature
Combo SFP (1G) port
The S3124P I/O side (shown in the following illustration) includes LED displays for port, system, and stack
status.
Figure 13. S3124P I/O Side LEDs
1. Gigabit Ethernet (10/100/1000BASE-T) RJ-45 port LNK.
2. Gigabit Ethernet (10/100/1000BASE-T) RJ-45 port ACT.
3. Console port LNK.
4. Management port LNK.
5. Management port ACT.
6. Stack number.
7. Temperature.
8. PSU 1.
9. System Status.
10. Fan.
11. PSU 2.
12. M (Master).
S3100 Series Hardware Overview
Detailed Description
LNK (Link speed):
• Off — no link.
• Solid green — link on 1000 Mbps speed.
• Solid amber — link on 100 Mbps speed.
ACT (Data transmission):
• Off — no link.
• Blinking green — activity.
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