Serial Channel (Port) Configuration Configuration
7-8
Flow Control
Flow control sets the local handshake method for stopping serial input/output. Generally,
flow control is not required if the connection is used to pass a blocked protocol with block
sizes less than 1k (ACK/NAK) and/or speeds up to 19200. Use the following table to select
Port Number
This setting represents the source port number in TCP connections, and is the number used
to identify the channel for remotely initiating connections. Range: 1024-65535.
Note: Port numbers 14000-14009 are reserved exclusively for use with the
Comm Port Redirector application (see Comm Port Redirector on
page 8-1).
Port number 9999 is reserved exclusively for Telnet setup.
Port number 77FEh is reserved exclusively for configuration.
If the UDP mode is selected, the port number functions as the UDP source port number for
outgoing datagrams. Datagrams sent to the Device Server with this port number are
received to this channel.
Table 7-3: Flow Control Options
Option Hex
No flow control 00
XON/XOFF flow control 01
Hardware handshake with RTS/CTS lines 02
XON/XOFF pass characters to host 05
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