H3C S5560S-SI Series User Manual

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1. Verify that the AC power cord is securely connected to the switch, and the AC-input power
receptacle on the switch and the connected AC power outlet are in good condition.
2. Verify that the AC power source is operating correctly.
3. Verify that the operating temperature of the switch is in the acceptable range, and the power
supply has good ventilation. Over-temperature can cause the power supply to stop working and
enter protection state.
4. If the issue persists, contact H3C Support.
Input failure on a DC-powered switch
Symptom
The system status LED on the DC-powered switch is off.
Solution
To resolve the issue:
1. Verify that the switch is securely connected to the DC power source.
2. Verify that the DC power source is operating correctly.
3. Verify that the operating temperature of the switch is in the acceptable range, and the power
supply has good ventilation. Over-temperature can cause the power supply to stop working and
enter protection state.
4. If the issue persists, contact H3C Support.
Input failure on a DC and AC-powered switch
Symptom 1
The system status LED on the DC and AC-powered switch is off.
Solution
To resolve the issue:
1. Verify that the AC power cord is securely connected to the switch, and the AC-input power
receptacle on the switch and the connected AC power outlet are in good condition.
2. Verify that the AC power source is operating correctly.
3. Verify that the switch is securely connected to the DC power source.
4. Verify that the DC power source is operating correctly.
5. Verify that the operating temperature of the switch is in the acceptable range, and the power
supply has good ventilation. Over-temperature can cause the power supply to stop working and
enter protection state.
6. If the issue persists, contact H3C Support.
Symptom 2
The system status LED on the DC and AC-powered switch is on but the RPS status LED is steady
yellow.
Solution
To resolve the issue:
1. Verify that the AC power cord is securely connected to the switch, and the AC-input power
receptacle on the switch and the connected AC power outlet are in good condition.
2. Verify that the AC power source is operating correctly.

H3C S5560S-SI Series Specifications

General

Brand	H3C
Model	S5560S-SI Series
Category	Switch
Language	English