ZyXEL Communications MGS3600-24F User Manual page 333

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10.1 Power, Hardware Connections and LEDs
The switch does not turn on. None of the LEDs turn on.
1. Make sure the switch is turned on (in DC models or if the DC power supply is connected in AC/DC models).
2. Make sure you are using the power adaptor or cord included with the switch.
3. Make sure the power adaptor or cord is connected to the switch and plugged in to an appropriate power source. Make sure the power
source is turned on.
4. Turn the switch off and on (in DC models or if the DC power supply is connected in AC/DC models).
5. Disconnect and re-connect the power adaptor or cord to the switch (in AC models or if the AC power supply is connected in AC/DC models).
6. If the problem continues, contact the vendor.
The ALM LED is on.
1. Turn the switch off and on (in DC models or if the DC power supply is connected in AC/DC models).
2. Disconnect and re-connect the power adaptor or cord to the switch (in AC models or if the AC power supply is connected in AC/DC models).
3. If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1. Make sure you understand the normal behavior of the LED. See "LEDs" on page 13.
2. Check the hardware connections. See "Front Panel Connections" on page 2.
3. Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4. Turn the switch off and on (in DC models or if the DC power supply is connected in AC/DC models).
5. Disconnect and re-connect the power adaptor or cord to the switch (in AC models or if the AC power supply is connected in AC/DC models).
6. If the problem continues, contact the vendor.
MGS3600-24F/XGS3600-26F/XGS3600-28F 10-3 U ' G
SER S UIDE