Chapter 3 Troubleshooting - ZyXEL Communications GS1100 Series User Manual

This sect ion describes com m on problem s you m ay encount er wit h t he Swit ch and possible
solut ions.
Troubleshoot t he Swit ch using t he LEDs t o det ect problem s.
The PW R LED on t he front panel does not light up.
• Check t he connect ions from your Swit ch t o t he power source. Make sure you are using t he
supplied power cord and t hat you are using an appropriat e power source. Refer t o t he product
specificat ions.
• Make sure t he power source is t urned on and t hat t he Swit ch is receiving sufficient power.
• I f t hese st eps fail t o correct t he problem , cont act your local dist ribut or for assist ance.
The LI N K/ ACT LED does not light up when a device is connect ed.
• Verify t hat t he at t ached device( s) is t urned on and properly connect ed t o your Swit ch.
• Make sure t he net work adapt ers are working on t he at t ached devices.
• Verify t hat proper net work cable t ype is used and it s lengt h does not exceed 100 m et ers. For
m ore inform at ion on net work cable t ypes, see
The PWR LED is off and/ or power is not being supplied t o m y PoE- enabled device. ( For
GS1100- 8HP)
• Check t o see t hat t he power cord is securely connect ed t o t he GS1100- 8HP and an appropriat e
power source. Make sure t he power source is on and funct ioning properly.
• Check t hat t he Et hernet cables are connect ed properly and t hat you are using t he correct t ype of
Et hernet cable. Cont act your local dist ribut or if t he problem persist s.
GS1100 Series User's Guide
C
H A P TE R
Troubleshooting
Sect ion 3.1 on page 18.
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