ES3528MV2 DC_Installation Guide-R03
Table Of Contents
- Front Cover
- Compliances and Safety Statements
- About This Guide
- Contents
- Tables
- Figures
- Introduction
- Installing the Switch
- Making Network Connections
- Troubleshooting
- Cables
- Specifications
- Glossary
- Index
- Back Cover
– 53 –
A TROUBLESHOOTING
DIAGNOSING SWITCH INDICATORS
Table 10: Troubleshooting Chart
Symptom Action
PWR LED is Off
◆ Power supply is disconnected.
◆ Check connections between the switch, the power cord,
and the wall outlet.
◆ Contact your dealer for assistance.
Link/ACT LED is Off
◆ Verify that the switch and attached device are powered
on.
◆ Be sure the cable is plugged into both the switch and
corresponding device.
◆ Verify that the proper cable type is used and its length
does not exceed specified limits.
◆ Check the adapter on the attached device and cable
connections for possible defects. Replace the defective
adapter or cable if necessary.