Netgear ProSafe GSM7248R User Manual download pdf (Page 25)

3-1

v1.0, November 2007

Chapter 3

Troubleshooting

Troubleshooting Chart

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

Table 3-1. Troubleshooting Chart

Problem Cause Solution

Power LED is off. No power is received Check the power cord connections for the

switch at the switch and the connected

device.

Make sure that all cables used are correct

and comply with Ethernet specifications.

Link LED is off or intermittent. Port connection is not

working.

Check the crimp on the connectors, and

make sure that the plug is properly inserted

and locked into the port at both the switch

and the connecting device.

Make sure that all cables used are correct

and comply with Ethernet specifications.

See “Technical Specifications” in

Appendix A.

Check for a defective adapter card, cable,

or port by testing it in an alternate

environment where all products are

functioning.

File transfer is slow, or

performance degradation is a

problem.

Half or full duplex setting on

the switch and the connected

device are not the same.

Make sure that the attached device is set to

auto negotiate.

Check the system message log.

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Netgear ProSafe GSM7248R User Manual Page 25