Planet ISW-511S15 [26/28] Troubleshooting

5. TROUBLeShOOTING

This chapter contains information to help you solve issues. If the

Industrial Fast Ethernet Switch is not functioning properly, make sure

the Industrial Fast Ethernet Switch was set up according to instructions

in this manual.

The per port LED is not lit

Solution:

Check the cable connection of the Industrial Fast Ethernet Switch.

Performance is bad

Solution:

Check the speed duplex mode of the partner device. The Industrial Fast

Ethernet Switch is run at Auto-negotiation mode and if the partner is

set to half duplex, then the performance will be poor.

Per port LED is lit, but the trafc is irregular

Solution:

Check that the attached device is not set to dedicate full duplex. Some

devices use a physical or software switch to change duplex modes.

Auto-negotiation may not recognize this type of full-duplex setting.

Why the Industrial Fast Ethernet Switch doesn’t connect to the

network

Solution:

Check per port LED on the Industrial Fast Ethernet Switch. Try another

port on the Industrial Fast Ethernet Switch Make sure the cable is

installed properly Make sure the cable is the right type Turn off the

power. After a while, turn on power again.

Why the Industrial Fast Ethernet Switch doesn’t connect to the

network

Solution:

Check per port LED on the Industrial Fast Ethernet Switch. Try another

port on the Industrial Fast Ethernet Switch Make sure the cable is

installed properly Make sure the cable is the right type Turn off the

power. After a while, turn on power again.