Lantronix SecureBox SDS1101 User's Guide download pdf (Page 57)

7: Setup Mode: Channel Configuration

SDS1101/2101 User Guide 57

Option

2-Byte Send Character Sequence

Send Immediately After Send chars

Packing Interval

Packing Interval defines how long the unit should wait before sending accumulated

characters. This wait period is between successive network segments containing

data. For alternate packing, the default interval is 12 ms.

Trailing Characters

In some applications, CRC, Checksum, or other trailing characters follow the end-of-

sequence character; this option helps to adapt frame transmission to the frame

boundary. The default setting is 00 (none).

Send Characters

 If 2-Byte Send Character Sequence is enabled, the unit interprets the

sendchars as a 2-byte sequence; if this option is not enabled, the unit

interprets them independently. The default setting is 0 (disabled).

 If Send Immediately After Characters is not set, any characters already in

the serial buffer are included in the transmission after a "transmit" condition is

found. If this option is set, the unit sends immediately after recognizing the

transmit condition (sendchar or timeout). The default setting is 0.

Note: A transmission might occur if status information needs to be

exchanged or an acknowledgment needs to be sent.

DisConnTime (Inactivity Timeout)

Use this parameter to set an inactivity timeout. The unit drops the connection if there

is no activity on the serial line before the set time expires. Enter time in the format

mm:ss, where m is the number of minutes and s is the number of seconds.

DisConnTime (00:00) ?:

To disable the inactivity timeout, enter 00:00. Range is 0 (disabled) to 5999 seconds

(99 minutes, 59 seconds). Default setting is 0.

Send Characters

Enter up to two characters in hexadecimal representation in sendchar.

SendChar 1 (00) ? _

SendChar 2 (00) ? _

If the unit receives a character on the serial line that matches one of these

characters, it sends the character immediately, along with any awaiting characters, to

the TCP connection. This action minimizes the response time for specific protocol

characters on the serial line (for example, ETX, EOT). Setting the first sendchar to 00

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Lantronix SecureBox SDS1101 User's Guide Page 57