
Description of Hardware
1-3
1
Figure 1-4. ES4024 Port and System Status LEDs
Power Supply Socket
There is one standard power socket on the rear panel of each switch for the AC
power cord.
Figure 1-5. ES4016/ES4024 Power Supply Socket
Table 1-1 ES4016 / ES4024 Port Status LEDs
LED Condition Status
RJ-45 Ports
Link/ACT
(Link/Activity)
On/Flashing
Green
The port has established a valid network connection.
Flashing indicates activity.
Off There is no valid link on the port.
100M/1000M On Green The port has a valid 1000 Mbps link.
On Yellow The port has a valid 100 Mbps link.
Off When the Link LED is on, indicates the port has a valid
10 Mbps link.
Table 1-2 ES4016 / ES4024 System Status LEDs
LED Condition Status
PWR
(Power)
On Green Internal power is operating normally.
Off Power off or failure.
Port Status LEDs
System Status LEDs
Power Socket
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