Digi TX54 User Manual page 217

Serial port
d. For Stop bits, select the number of stop bits used by the device to which you want to
connect.
e. For Flow control, select the type of flow control used by the device to which you want to
connect.
12. If Remote access is selected for Serial mode:
a. 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.
b. 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.
c. Enable Exclusive access to limit access to the serial port to a single active session.
d. For Idle timeout, type the amount of time to wait before disconnecting due to user
inactivity.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format number{w|d|h|m|s}.
For example, to set Idle timeout to ten minutes, enter 10m or 600s.
The default is 15m.
e. (Optional) Click to expand Monitor.
i. Enable CTS to monitor CTS (Clear to Send) changes on this port.
ii. Enable DCD to monitor DCD (Data Carrier Detect) changes on this port.
f. Click to expand TCP connection.
i. Click Enable to allow TCP access to this port.
ii. For Port, type or select the appropriate TCP port.
iii. (Optional) Click to expand Access control list to limit access to the TCP connection.
TX54 User Guide
CAUTION! This connection is not authenticated or encrypted.
To limit access to specified IPv4 addresses and networks:
n
i. Click IPv4 Addresses.
ii. For Add Address, click .
iii. For Address, enter the IPv4 address or network that can access the
device's service-type. Allowed values are:
A single IP address or host name.
l
A network designation in CIDR notation, for example, 192.168.1.0/24.
l
any: No limit to IPv4 addresses that can access the service-type.
l
iv. Click  again to list additional IP addresses or networks.
To limit access to specified IPv6 addresses and networks:
n
i. Click IPv6 Addresses.
ii. For Add Address, click .
iii. For Address, enter the IPv6 address or network that can access the
device's service-type. Allowed values are:
Add a USB serial port
217