Maintenance And Troubleshooting; General Troubleshooting Procedure; Troubleshooting Common Faults - Ruijie Networks RG-ES05 Hardware Installation And Reference Manual

5 Maintenance and Troubleshooting

5.1 General Troubleshooting Procedure

5.2 Troubleshooting Common Faults

Symptom
The status indicator is
not on after the switch
is started.
The RJ45 port is not in
connectivity or it is
erroneous in
receiving/transmitting
frames.
Ruijie 5/8-Port Plastic Series Switches Hardware Installation and Reference Guide
Possible Causes
The power module does not work.
The power cable is in loose contact.
The connected twisted pair cable is
faulty.
The length of the cable exceeds 100 m.
The port has special configuration that
has no common working mode with the
connected switch.
Solution
Check whether the power socket at the equipment
room is normal and whether the power cable is
plugged in.
Replace the twisted pair cable.
Check that the port configuration has the common
working mode with the connected switch.