Omron NT21 - SETUP MANUAL 10-2001 Setup Manual page 175

System Maintenance
164
For Memory Link
Example: Serial port A while using the memory link
The check is started as soon as the check screen is displayed. Send the com-
mand from the host.
• If communication with the host is normal, the data received from the host is dis-
played in hexadecimal text code at Received Data.
• If nothing is displayed at Received Data when the command is sent from the
host, there is a communication fault: check the communication cables and set-
tings.
For a Bar Code Reader
The check starts when the check screen is displayed. Read data with the bar
code reader in this status.
• If communication with the bar code reader is normal, the read character strings
are displayed in hexadecimal text code at Received Data.
• If nothing is displayed at Received Data when data is read with the bar code
reader, there is a communication fault: check the communication cables and
settings.
Section 6-11