GRAPHTEC GL820 - Page 72

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CHAPTER 3 Settings and Measurement
(5)-3 TCP-IP settings
TCP-IP settings are used to connect the GL820 to Ethernet.
Selection item Description
Auto IP Address
Acquisition
Set whether the IP address should be manually set or automatically
acquired.
*Ifautoacquisitionisenabled,theautoacquisitionoperation(performed
when the power is turned on or the settings are reflected) may take a
few seconds to around one minute.
IP Address Sets the IP address of the GL820. (0-255.0-255.0-255.0-255)
Subnet Mask Sets the subnet mask of the GL820. (0-255.0-255.0-255.0-255)
Port Number Sets the IP port number of the GL820 (1024-65535).
Gateway Sets the gateway address of the GL820. (0-255.0-255.0-255.0-255)
DNS Address Sets the DNS address of the GL820. (0-255.0-255.0-255.0-255)
Keep Alive Sets up the function that detects no-communication time and automati-
cally disconnects the socket connection. Refer to "(5)-4 Keep Alive" for
details.
FTP server settings Makes the FTP server settings.
* Refer to "(5)-5 FTP server settings" for details.
Host Name Sets a name that can be identified by the supplied application.
* This identifier is NOT a common computer name (NETBIOS name) or a
name for DNS.
Reflect Settings Reflects the TCP-IP settings immediately (without turning off and on the
power).
* Connections are forcibly disconnected when the settings are reflected.
* Reflecting the settings may take a few seconds to around one minute.
 • IftheAutomaticIPAddressAcquisitionfails(seethegurebelow),themanualsettingsforIPaddress,
etc. are used. In this case, the settings including the IP address may not be consistent with your
network.DisabletheAutoIPAddressAcquisitionandmakethesettingsonebyone.
 • AfteryouhavechangedtheTCP-IPsettings,turnoffandonthepowerorexecuteReectSettings(The
connection will be forcibly disconnected).
 <AutoIPAddressAcquisitionissuccessful> <AutoIPAddressAcquisitionfails>
(5)-4 Keep Alive
Detects no-communication time and automatically disconnects the socket connection.
Selection item Description
OFF Disconnection is not performed.
10 seconds to 1 hour Disconnects the socket connection if no-communication status continues
longer than the specified time. Generate some kind of communication
within the setting time. Note that, while the supplied application software
is used, no-communication status continues during the replay of captured
data.This function is effective only for the command port. The Web server
function or FTP server function is not influenced.)