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Troubleshooting
SNMP Module
98
9
Troubleshooting
9.1 SNMP Module
Fig. 83
Interface side SNMP modules - failure indication
Diagnosis
Possible reason
Measure
LED
1
or LED
2
off
No computer connected
Connect the computer.
Check the network cable.
Check the connectors.
No network connection
possible
No connection between
SNMP module and computer
Check the network cable.
Check the connectors.
Firewall settings are not
correct
Release ports for the firewall (see
Serial device not
operational
Settings of the serial interface
Check baud rate and general settings.
No serial connection to source
Check connection via serial cable.
No serial connection to end
device (e.g. touch screen,
keyboard)
Connect serial end device and switch it on.
Check connection via serial cable.
1 2
1 2