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Follow these steps to place the stickers.
1.
Use a cloth to clean the surface of the screws with 75% alcohol
solution.
2.
We suggest you use a tweezer to place the stickers.
3.
Press the stickers down with 15PSI (pound per square inch) for at
least 15 seconds.
4.
Keep the device at room temperature for 24 hours before
deploying the devices in harsh environments.
NOTE
1.
Place the stickers carefully as they are thin and fragile.
2.
The ideal environment for the stickers to be stored in is
22°C (72°F) and 50% relative humidity.
3.
Keep the extra two stickers in a safe place so that no
unauthorized persons can access them.
LED Indicators
The front/rear panels of the RKS-G4028 switch contains several LED
indicators. The function of each LED is described in the table below.
LED
Color State Description
System LEDs
P1
(PWR1)
Amber
On
Power is being supplied to the main
module’s power input PWR1.
Off
Power is not being supplied to the main
module’s power input PWR1.
P2
(PWR2)
Amber
On
Power is being supplied to the main
module’s power input PWR2.
Off
Power is not being supplied to the main
module’s power input PWR2.
S
(STATE)
Green
On
The system passed the self-diagnosis
test on boot up and is ready to run.
Blinking
(1Hz)
1.
System service initialization.
2.
When pressing the reset button for
5 seconds to reset to factory
default setting.
Blinking
(4Hz)
1.
After pressing the reset button for 5
seconds and the system is
preparing to do a factory reset.
2.
When the external storage ABC-02
automatic backup device is
connected to the switch.
Red
On
The system has initially failed in the
boot-up process.
F
(FAULT)
Red
On
1.
Network loop is detected when loop
protection is enabled.
2.
The relay contact is triggered.
3.
External storage Loading/Saving
has failed.
4.
The port is being disabled because
it has exceeded the ingress rate
limit of the shutdown mode.
5.
Invalid Ring port connection.
