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Serial port
11. For Idle timeout, type the amount of time that the active session can be idle before the
session is disconnected.
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.
12. For Escape character, type the character to use in the escape sequence. Enter this character
three times, followed by the escape delay and then an AT command to switch from data mode
to command mode. The default is the plus sign (+).
13. For Escape delay, type the delay between the escape sequence and an AT command to switch
from data mode to command mode. The default is 1s.
14. For Auto-answer rings, type the number of rings to wait before auto-answering. Enter 0 (zero)
to disable auto-answering.
15. Command echo is enabled by default. Commands sent to the port are echoed back to the
user. Select to disable this feature.
16. For Result codes, select the type of result code that are displayed as responses to commands.
Options are:
None: No result codes are displayed.
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Numeric: Numeric result codes are displayed.
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Verbose: Result codes are displayed in English, for example: OK, ERROR, CONNECT. This
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is the default.
17. (Optional) Click to expand Phonebook and create dial strings that can be used to connect to
remote servers.
a. Click to add a phone book entry.
b. For Label, type a descriptive name for the phone book entry.
c. (Required) For Dialstring, type the string to dial to connect to the remote server.
d. (Required) For Connection destination, type the hostname or IP address of the remote
server.
e. (Required) For Connection port, type the TCP port of the remote server. Minimum is 1 and
maximum is 65535.
18. Expand TCP connection to configure TCP connection for this serial port.
a. To enable a TCP connection, click to toggle on Enable.
b. For Port, type the TCP port for this service. The default is 4001.
c. Expand Access control list to create a list of IP addresses, interfaces, and firewall zones
from which this service may be accessed.
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TX40 User Guide
To limit access to specified IPv4 addresses and networks:
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.
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A network designation in CIDRnotation, for example, 192.168.1.0/24.
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any: No limit to IPv4 addresses that can access the service-type.
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Configure Modem emulator mode
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