
Software Manual 187
Advanced Tab
STX - Payload - ETX - LRC: Strip only the LRC block check.
STX - Payload - ETX - LRC: Send the fully formatted Visa message.
Header Type: The TCP connection to a host may required length headers. This will optionally be prepended to the data
received from the serial side, for either transparent or Visa Mode. The recommended setting for this field is Default.
Default: Use current Gwlnx configuration.
None: Use no headers.
JBM Standard: Use JBM Standard Headers. This will prepend a Two Byte Length (2BL) Header to the data, indicating the num-
ber of bytes in the message, not including the header bytes. Messages from the host must also have the 2BL header to be
received properly.
Example: With the Host Message Format set to STX-Payload-ETX, and just JBMSTD Headers used, the TCP message sent to the
Host will be: XX XX STX Payload ETX. Where XX XX would be the length of the payload data, plus 2 (STX and ETX bytes). If Pay-
load was 296 bytes, then the 2BL would be 01 2A (in Hex).
Allow Early Connect: Only adjust this option if directed by Red Lion Technical Support. The recommended setting for
this field is Yes.
• Click on the Finish button and you will be directed to the Connect Table dialog window and the Connect Table
Properties table will be populated with the entered data.
• Click on the “Save” button for changes to be saved without activating the interface, the “Apply” button will save
your settings and apply them immediately. To revert to the previous defaults, click on the “Revert” button.
3.7.6.2 Install Configuration
The Install Configuration menu item is used to install the new Gwlnx configuration on Red Lion IndustrialPro or R-Series
router devices. The Manage Configuration section is used to install or delete Gwlnx configuration files that already reside
on Red Lion IndustrialPro or R-Series router devices.
• Click on the Install Configuration menu item and the following dialog window will appear:
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