AMX NI-2100/3100/4100 - Manual (Page 84)

WebConsole - System Options
76 NI Series WebConsole & Programming Guide
Use the drop-down menus to modify the Port settings.
Click Reset to Default Settings to return this port to its default configuration:
FIG. 55 Manage Polled Ports - Edit Port Settings
Default Port Settings
Baud Rate: 9600
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control None
485: Disabled