Netgear GSM7228PS - ProSAFE 28 ports Gigabit Ethernet L2 Managed Stackable Switch with PoE Manual De Hardware

Additional Troubleshooting Suggestions 

do not resolve your problem, refer to the 

troubleshooting suggestions in this section. 

Make sure that the network adapter cards installed in the PCs are in working condition 
and the software driver has been installed.

 

Configuration: 

If problems occur after you change the network configuration, restore the original 
connections. Then find the problem by making the changes, one step at a time. Make 
sure that cable distances, repeater limits, and other physical aspects of the installation do 
not exceed the Ethernet limitations. 

Switch Integrity: 

You can verify the integrity of the switch by resetting the switch. To reset the switch, use 
the Tools> Reset command or remove AC power from the switch and then reapply AC 
power. If the problem continues, contact NETGEAR technical support. 

Auto-Negotiation: 
The copper 10/100/1000 Mbps ports negotiate the correct duplex mode and speed if the device 
at the other end of the link supports auto-negotiation. If the device does not support 
auto-negotiation, the switch only determines the speed correctly and the duplex mode defaults to 
half-duplex. The fiber gigabit ports negotiate speed, duplex mode, and flow control, provided that 
the attached device supports auto-negotiation.