Serial port
Configure Remote Access mode
LR54 User Guide
220
n
To limit access based on firewall zones:
i. Click
Zones
.
ii. For
Add Zone
, click
.
iii. For
Zone
, select the appropriate firewall zone from the dropdown.
See
for information about firewall zones.
iv. Click
again to allow access through additional firewall zones.
9. Expand
Autoconnect Settings
.
a. Click
Enable
to enable the autoconnect feature.
b. For
Connection Trigger
, select the option that describes the type of event that should
trigger the connection.
c. For
Outbound Connection Type
, select the option that describes the method used to
initiate the connection.
d. For
Connection destination
, enter the host name or IP address of the remote server.
When using SSH, this should be prefixed with the user name and followed by @, for
example,
.
e. For
Connection port
, enter the TCP port of the remote server (1-65535).
f. If
Connect when the data that is received matches the specified string
is selected for
Connection trigger
:
i. For
Data match string
, type the string that, when received, will trigger the
connection.
ii.
Flush match string
is enabled by default, which will discard the matched string from
data sent to the server. Click to toggle off to disable.
g. Click
Enable TCP keep-alive messages
to enable TCP keepalive on the connection.
h. Click
Enable TCP nodelay
to enable TCP nodelay on the connection.
i. For
Socket ID string
, type text to be transmitted to the remote server when the socket
connects.
10. Expand
Session Settings
.
a. Enable
Exclusive access
to limit access to the serial port to a single active session.
b. For
Escape sequence
, type the characters used to start an escape sequence. If no
characters are defined, the escape sequence is disabled. The default is
~b
.
c. For
History size
, type or select the number of bytes of output from the serial port that are
written to buffer. These bytes are redisplayed when a user connects to the serial port. The
default is
4000
bytes.
d. For
Idle timeout
, type the amount of time to wait before disconnecting due to user
inactivity.
11. Expand
Monitor Settings
.
a. Enable
CTS
to monitor CTS (Clear to Send) changes on this port.
b. Enable
DCD
to monitor DCD (Data Carrier Detect) changes on this port.
