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).
13. SFP+ (10G) port ACT.
14. SFP+ (10G) port LNK.
15. Combo SFP (1G) port ACT.
16. Combo SFP (1G) port LNK.
Table 4. S3124P I/O Side LED Descriptions
Feature Detailed Description
Gigabit Ethernet
(10/100/1000BASE-T) RJ-45 port
LNK (Link speed):
• Green — link up at 1000 Mbps speed.
• Yellow — link up at 10/100 Mbps speed.
• Off — no link.
ACT (Data transmission):
• Blinking green — activity.
• Off — no activity.
Console port
LNK (Link speed):
• Off — no link.
• Solid green — link.
Management port
LNK (Link speed):
• Off — no link.
• Solid green — link on 1 G speed.
• Solid amber — link on 100 M or 10 M speeds.
ACT (Data transmission):
• Blinking green — activity.
• Off — no activity.
Stack number
• Displays the stack unit number of the switch.
• Displays 1 if switch is not part of a stack.
Temperature
• Solid green — system temperature is below threshold limit.
• Solid red — system temperature has exceeded the threshold
limit of 75°C.
PSU 1 and 2
• Off — power failure or no power.
• Solid green — normal operation.
20
S3100 Series Hardware Overview
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