Table 13-26 Network Failures And Corrective Actions (When Communication Is Unstable) - Hitachi S10VE User Manual

(2) Network troubleshooting
(a) Network failures and corrective actions (when communication is unstable)

Table 13-26 Network failures and corrective actions (when communication is unstable)

Check
Symptom
location
Communication Check the
is not possible transmission
or is unstable. line.
Check the
settings of the
communicating
stations.
Check
Does each station respond to the
ping command appropriately?
Does the collision indicator turn
on frequently?
Is the repeater powered on?
Is the IP address of the network
specified correctly?
Has the number of the station
been specified correctly?
Have the parameters of the
station been specified correctly?
Does the CD (carrier wave
detection) indicator turn on
continuously or intermittently?
Does the COM indicator turn on
continuously or intermittently?
13-47
Corrective action
Check the power supply, cables, and other
items for the stations that do not respond to the
ping command.
Check the cable and connector contacts. Use an
analyzer to check the details of the error.
Check the power supply, whether the power
cable is disconnected, and the power voltage.
Use the support tool or analyzer to double-
check the selected IP address.
Use the support tool or analyzer to double-
check the selected station number.
Use the support tool to double-check the
parameters of the station that have been
specified.
Double-check the communication cable, hub
power supply, and similar items.
Double-check the settings of the station.
13. Troubleshooting