Lantronix XPort XChip - User Guide - Page 28

Pack Control, Flush Input Buffer Serial to Network, Flush Output Buffer Network to Serial - alternative

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4: Configuration Using Web Manager Stop Bits The stop bit follows the data and parity bits in serial communication. It indicates the end of transmission. The default 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 XPort. 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 XPort. The default 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 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 is No. Select Yes to clear the input buffer with a connection initiated from the network to the device. The default is No. Select Yes to clear the input buffer when the network connection to or from the device is disconnected. The default is No. Flush Output Buffer (Network to Serial) With Active Connect With Passive Connect At Time of Disconnect Select Yes to clear the output buffer with a connection that is initiated from the device to the network. The default is No. Select Yes to clear the output buffer with a connection initiated from the network to the device. The default is No. Select Yes to clear the output buffer when the network connection to or from the device is disconnected. The default is No. XPort User Guide 28

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4: Configuration Using Web Manager
Stop Bits
The stop bit follows the data and parity bits in serial
communication. It indicates the end of transmission. The
default is 1.
Pack Control
Enable Packing
Select to enable packing on the XPort.
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.
Idle Gap Time
Select the maximum time for inactivity. The default time is
12
milliseconds.
Match 2 Byte Sequence
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 XPort. The default is
No
.
Match Bytes
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.
Send Frame Immediate
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
.
Send Trailing Bytes
Select the number of bytes to send after the end-of-sequence
characters. The default is
None
.
Flush Input Buffer (Serial to Network)
With Active Connect
Select
Yes
to clear the input buffer with a connection that is
initiated from the device to the network. The default is
No
.
With Passive Connect
Select
Yes
to clear the input buffer with a connection initiated
from the network to the device. The default is
No
.
At Time of Disconnect
Select
Yes
to clear the input buffer when the network
connection to or from the device is disconnected. The default
is
No
.
Flush Output Buffer (Network to Serial)
With Active Connect
Select
Yes
to clear the output buffer with a connection that is
initiated from the device to the network. The default is
No
.
With Passive Connect
Select
Yes
to clear the output buffer with a connection initiated
from the network to the device. The default is
No
.
At Time of Disconnect
Select
Yes
to clear the output buffer when the network
connection to or from the device is disconnected. The default
is
No
.
XPort User Guide
28