TP-Link TL-SL5428 - Power Supply Socket; Table 1-2 System Status Leds; Figure 1-4 Power Supply Socket

D ESCRIPTION OF H ARDWARE
1-5
Power Supply Socket
There is one standard power socket on the rear panel for the AC power
cord.
Figure 1-4 Power Supply Socket
Table 1-2 System Status LEDs
LED Condition Status
PWR
(Power)
On Green The unit’s internal power supply is operating
normally.
On Amber The unit’s internal power supply has failed.
Off The unit has no power connected or has
failed.
Diag On Green The system diagnostic test has completed
successfully.
Blinking Green The system diagnostic test is in progress.
On Amber The system diagnostic test has detected a fault.