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Technology■>■Embedded■RDS■>■Troubleshooting
Technology■>■Embedded■RDS■>■Troubleshooting
Troubleshooting
No.1
Symptom:■A■communication■test■(COM-TEST)■results■NG!
Cause:■Initial■settings■or■network■conditions■is■incomplete.
Remedy■1:■Check■and■take■actions■mentioned■below.
1)■Check■network■connections
Is■the■status■indicator■LED■for■the■HUB■port■to■which■the■main■unit■is■connected■ON?
YES:■Proceed■to■Step■2).
NO:■Check■that■the■network■cable■is■properly■connected.
2)■Confirm■loop■back■address
Select■[Settings/Registration■(User■Mode)]■>■[Preferences]■>■[Network]■>■[TCP/IP■Settings]■
>■[IPv4■Settings]■>■[PING■Command],■enter■“127.0.0.1”,■and■touch■the■[Start]■button.
Does■the■screen■display■“Response■from■the■host.”?■(See■the■next■figure.)
YES:■Proceed■to■Step■3).
NO:■There■is■a■possibility■that■the■main■unit’s■network■settings■are■wrong.■Check■the■
details■of■the■IPv4■settings■once■more.
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3)■Confirmation■from■another■PC■connected■to■same■network.
Request■the■user■to■ping■the■main■unit■from■a■PC■connected■to■same■network.
Does■the■main■unit■respond?
YES:■Proceed■to■Step■4).
NO:■Confirm■the■details■of■the■main■unit’s■IP■address■and■subnet■mask■settings.
4)■Confirm■DNS■connection
(a)■Select■[Settings/Registration■(User■Mode)]■>■[Preferences]■>■[Network]■>■[TCP/IP■
Settings]■>■[DNS■Settings]■>■[DNS■Server■Address■Settings],■write■down■the■primary■
and■secondary■addresses■of■the■DNS■server,■and■touch■the■[Cancel]■button.
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