HEIDENHAIN ITNC 530 User Manual page 624

Test network connection
Press the PING soft key.
In the HOST line, enter then internet address of the computer for
which you want to check the network connection.
Confirm your entry with the ENT key. The TNC transmits data
packets until you exit the test monitor by pressing the END key.
In the TRY line the TNC shows the number of data packets that were
transmitted to the previously defined addressee. Behind the number
of transmitted data packets the TNC shows the status:
Status display Meaning
HOST RESPOND Data packet was received again, connection is
OK.
TIMEOUT Data packet was not received, check the
connection.
CAN NOT ROUTE Data packet could not be transmitted. Check
the Internet address of the server and of the
router to the TNC.
624 13 MOD Functions