10
Com Port
Settings
Description
Reconnect
Limit
(0 =
forever)
The number of times CPR attempts to re-establish the
connection. A value of 0 means CPR will continuously attempt
to connect.
Listen
Mode
If selected, CPR listens on the configured TCP port for
incoming connection requests. There are two kinds of Listen
Mode. From the drop-down list, select one of the following:
Normal - port closed after disconnect:
The TCP port will
close once the connection to the device server is broken.
Auto- back to listen mode after disconnect:
CPR goes back
into Listen Mode once the connection is broken.
TCP Port
The number of the TCP port you want CPR to listen on. Click
the
Add to Firewall
button to add the TCP port to the firewall's
exclusion list if the firewall is turned on. The firewall will then
allow traffic on this TCP port.
TCP
KeepAlive
CPR uses the TCP protocol to detect when connections are no
longer valid. To enable this capability, select the checkbox.
(See the device server's user guide for more information.)
KeepAlive
Time
(msec)
The time, in milliseconds, that TCP will poll the connection with
the device server.
KeepAlive
Interval
(msec)
If TCP detects a connection failure, it will poll for the connection
every KeepAlive Interval milliseconds that you specify here. If,
after 5 tries, the connection is still invalid, TCP will notify CPR,
and CPR will tear down the connection socket.
If the CPR port is in Listen Mode - Auto, the CPR port will go
back to listening on the appropriate TCP port.
Use RFC
2217
Com port control option protocol that controls:
Device server serial port settings (baud rate, data bits,
parity, stop bits, flow control)
DTR relationships to DCD and DSR serial port signals
across the network.
Note:
To use RFC2217, the device server must support this
protocol. To find out whether your device server supports
RFC2217, please see the documentation that comes with the
unit or the Lantronix web site (
www.lantronix.com
).
Connection
Timeout
Number of seconds the com port should wait before attempting
to connect to the next device server in the list, or before
aborting the connection attempt.
DTR
If you selected
Use RFC 2217
, select one of the options to tie
the remote DTR with the DCD and DSR of the virtual com port.
The default is to tie DTR to DCD and keep DSR always active.
