Lantronix xDirect xDirect - User Guide - Page 30
Pack Control, Flush Input Buffer (Serial to Network), Flush Output Buffer (Network to Serial)
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5: Configuration Using Web Manager Baud Rate Data Bits Parity Stop Bits The unit and attached serial device, such as a modem, must agree on a speed or baud rate to use for the serial connection. Valid baud rates are 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, and 230400 baud. Additionally, 921600 and 460800 baud rates are available when CPU is set to High. The default setting is 9600. Indicates the number of bits in a transmitted data package. The default setting is 8. Checks for the parity bit. The default setting is None. The stop bit follows the data and parity bits in serial communication. It indicates the end of transmission. The default setting is 1. Pack Control Enable Packing Idle Gap Time Match 2 Byte Sequence Match Bytes Send Frame Immediate Send Trailing Bytes Select to enable packing on the xDirect. Two firmware-selectable packing algorithms define how and when packets are sent to the network. The standard algorithm is optimized for applications in which the unit is used in a local environment, allowing for very small delays for single characters, while keeping the packet count low. The alternate packing algorithm minimizes the packet count on the network and is especially useful in applications in a routed Wide Area Network (WAN). Adjusting parameters in this mode can economize the network data stream. Disabled by default. Select the maximum time for inactivity. The default time is 12 milliseconds. Use to indicate the end of a series of data to be sent as one group. The sequence must occur sequentially to indicate end of the data collection to the xDirect. The default setting is No. Use to indicate the end of a series of data to be sent as one group. Set this value to 00 if specific functions are not needed. After the detection of the byte sequence, indicates whether to send the data frame or the entire buffer. Select Yes to send only the data frame. The default setting is No. Select the number of bytes to send after the end-of-sequence characters. The default setting is None. Flush Input Buffer (Serial to Network) With Active Connect With Passive Connect At Time of Disconnect Select Yes to clear the input buffer with a connection that is initiated from the device to the network. The default setting is No. Select Yes to clear the input buffer with a connection initiated from the network to the device. The default setting is No. Select Yes to clear the input buffer when the network connection to or from the device is disconnected. The default setting is No. Flush Output Buffer (Network to Serial) With Active Connect With Passive Connect Select Yes to clear the output buffer with a connection that is initiated from the device to the network. The default setting is No. Select Yes to clear the output buffer with a connection initiated from the network to the device. The default setting is No. xDirect User Guide 30