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Communications server

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Conﬁguring Ports

input_is_activity and output_is_activity parameter settings. The Model 5390 server

continuously retries the connection, regardless of errors.

Set the dedicated_arguments parameter to the target host's name or IP address. The

Model 5390 server passes this string to the command given in the mode parameter setting, so

any command line arguments, such as the optional telnet port number, are valid.

Some sample settings for the mode and dedicated_arguments parameters are:

Creating a dedicated raw TCP connection to port 7001 on another Model 5390 server:

port mode telnet

port dedicated_arguments "-st annextwo 7001"

Using the name-resolution interface (no hardwired IP address is required as it would be with

the older dedicated option):

port mode rlogin

port dedicated_arguments "myhost"

To test the dedicated port conﬁguration, enter the port mode and dedicated_arguments settings as

a CLI command. Because the Model 5390 server handles the arguments in exactly the same manner,

you can easily test variations of the desired arguments until they work correctly.

When conﬁguring a dedicated port, you may also want to set the following parameters:

Setting the allow_broadcast parameter permits the display of any administrative messages at

the terminal connected to the dedicated port.

Set both the user_name and location parameters; the CLI who command displays these

parameters. If the dedicated_port parameter is set to rlogin, the user name is passed with the

connection request.

The term_var parameter is a string that identiﬁes the terminal type. Any value deﬁned for

this parameter is passed with both the telnet and rlogin connection requests. If you deﬁne a

terminal type, it must be one that is valid for the host to which the user is connecting.

If you set the inactivity_timer parameter, also set the input_is_activity or

output_is_activity parameters (or both).

To use EIA/hardware ﬂow control (RTS/CTS), set the control_lines parameter to

ﬂow_control or both, and the input_ﬂow_control and output_ﬂow_control parameters to

eia. The Model 5390 server asserts RTS when it is ready to receive data, and checks the CTS

input before transmitting data.