About The Check Method Using Ping - Mitsubishi Electric AE-200A Service Handbook

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[V Troubleshooting]

2. About the check method using ping

(1) Notes
This section contains notes on performing a check. Read them before you perform a check.
1)
Be sure to obtain the permission of the network administrator to connect a PC to the network for the check and also check
that the IP address is one that it is alright to use.
2)
Set the IP address of the PC for the check to one that is suitable for the network. (When a router or other equipment is used,
also set the gateway address.)
Set an IP address that will not duplicate the IP address of any of the other equipment on the network.
3)
If you cannot use the PC that you brought with you, ask the network administrator if there is a PC that you can borrow.
* In the case of a system that uses TG-2000A, the PC of the TG-2000A can be used.
(2) About the check item using ping
Use a PC to check the communication status of equipment for which a communication error is occurring between equipment.
<System image>
PC for check
Start the check.
Can both equipment for
which the communication
error is occurring be
pinged? * 1
No
Is the ping check successful
when there is a direct LAN
connection to the equipment or
a connection with a HUB using
a LAN cable?
Yes (Other than the equipment may be the cause.)
Is the ping successful
when only the LAN
cable is changed?
Is the ping successful
when only the HUB is
changed?
HUB
Yes
*1 For details on the ping check method
and results, refer to page 77.
The LAN cable may be the cause.
Yes
* Replace the LAN cable and then return
to the beginning and check the
communication between the
equipment.
No
The HUB may have failed.
* Replace the HUB and then return to
the beginning and check the
Yes
communication between the
equipment.
No
Both the LAN cable and the HUB may
have failed. Replace both of them and
then perform the check again.
AE-50
(or EW-50)
AE-200
No
74
Perform the ping check again to confirm whether
or not a communication error is occurring.
If you confirm from the result of checking again
that a communication error is still occurring even
in this state, the IP address setting of the other
party may be incorrect. Recheck the IP address
setting and other initial settings of each
connection destination equipment.
If the problem is not resolved after performing
the check again and the cause is unknown,
notify the details of the check and result to the
system designer and ask what to do.
LAN cable problem.
* Replace it and check.
Ping is successful.
Check the IP address and other settings
and perform the ping check again.
Then, reset the power of the applicable
equipment and perform the ping check
again.
If the ping is still not successful, the
equipment may have failed.
Ping failed.
Equipment failure
* Replace it and check.
If the problem is not resolved after
performing the check again and the
cause is unknown, notify the details of the
check and result to the system designer
and ask what to do.

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