XS712T Smart Switch

Troubleshooting Chart

The following table lists symptoms, causes, and solutions of possible problems.

Table 4. Troubleshooting chart

Symptom

Cause

Solution

 

 

 

Power LED is off.

No power is received.

Check the power cord connections and the connected

 

 

device. Ensure that all cables used are correct and

 

 

comply with Ethernet specifications.

Link LED is off or

Port connection is not

Check the crimp on the connectors and make sure that

blinking.

working.

the plug is properly inserted and locked into the port at

 

 

both the switch and the connecting device. Ensure that

 

 

all cables used are correct and comply with Ethernet

 

 

specifications. Check for a defective computer adapter

 

 

card, cable, or port by testing them in an alternate

 

 

environment where all products are functioning.

 

 

 

File transfer is slow, or

Half-duplex or full-duplex

Make sure that the attached device is set to

performance degradation

setting on the switch and

autonegotiate.

is a problem.

the connected device are

 

 

not the same.

 

 

 

 

A segment or device is

One or more devices are

Verify that the cabling is correct. Ensure that all

not recognized as part of

not properly connected,

connectors are securely positioned in the required

the network.

or cabling does not meet

ports. Equipment might have been accidentally

 

Ethernet guidelines.

disconnected.

ACT LED is blinking

A network loop

Break the loop by ensuring that there is only one path

continuously on all

(redundant path) has

from any networked device to any other networked

connected ports, and the

been created.

device. After you connect to the switch management

network is disabled.

 

interface, you can configure the Spanning Tree

 

 

Protocol (STP) to prevent network loops.

 

 

 

Additional Troubleshooting Suggestions

If the suggestions in the troubleshooting chart do not resolve the problem, see the troubleshooting suggestions in this section.

Network Adapter Cards

Ensure that the network adapter cards installed in the computers are in working condition and the software driver has been installed.

Configuration

If problems occur after you alter the network configuration, restore the original connections and determine the problem by implementing the new changes, one step at a time. Ensure

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NETGEAR XS712T manual Troubleshooting Chart, Additional Troubleshooting Suggestions, Network Adapter Cards, Configuration