Console
Table of Contents
General Description
CHARON-AXP offers two-port serial console on all supported AXP models.
Example for OPA0 console ("COM1" port):
set COM1 alias=OPA0 |
When using the TTA0 console ("COM2" port):
|
Refer to Mapping Serial line controllers to system resources for details of mapping.
CHARON emulated console supports only 80 symbols in one line.
General parameters
CHARON-AXP console lines COM1 and COM2 have the following parameters:
All the values in the following tables are case insensitive.
alias
| Parameter | alias | |
|---|---|---|
| Type | Identifier | |
| Value | This parameter is used to set an useful name for COM1 or COM2 ports. Usually it is "OPA0" for COM1 and "TTA0" for COM2 Example:
|
communication
| Parameter | communication |
|---|---|
| Type | Text string |
| Value |
|
baud
| Parameter | baud | |
|---|---|---|
| Type | Numeric | |
| Value | Forces the baud rate of the corresponding COM port to be a specified value. The variety of supported values depends on the underlying physical communication resource (COM port). The most widely used values are: 300, 1200, 9600, 19200, 38400. Example:
|
break_on
| Parameter | break_on | ||
|---|---|---|---|
| Type | Text string | ||
| Value | Specifies what byte sequences received over the physical serial line will trigger a HALT command. This parameter works only for the console line. Specify the following values: "Ctrl-P", "Break" or "none" ("none" disables triggering a HALT condition). If your guest operating system is OpenVMS in addition to "none" setting you have to set a specific console parameter "controlp" to "off" in the following way:
The second line is to preserve the ROM settings. Example:
The default value is "Break".
|
stop_on
| Parameter | stop_on | |
|---|---|---|
| Type | Text string | |
| Value | Specifies what byte sequences received over the physical serial line will trigger a STOP condition. The STOP condition causes CHARON Virtual Machine (VM) to exit. Specify the one of the following values: “F6” or “none” ("none" disables triggering a STOP condition). Example:
The default value is "none". Setting "F6" triggers the STOP condition upon receipt of the "
|
log
| Parameter | log | ||
|---|---|---|---|
| Type | Text string | ||
| Value | A string specifying a file name to store the content of the console sessions or a directory where the log files for each individual session will be stored. If an existing directory is specified, CHARON VM automatically enables creation of individual log files, one for each session using the same scheme as used for the generation of the rotating log files. If the "log" parameter is omitted, CHARON VM does not create a console log. Examples:
Only existing directory can be used as a value of the "log" parameter. |
log_file_size
| Parameter | log_file_size | ||
|---|---|---|---|
| Type | Text string | ||
| Value | If log rotation is enabled, the log_file_size parameter determines the log file size threshold at which the log is automatically rotated.
Examples:
|
port
| Parameter | port |
|---|---|
| Type | Numeric |
| Value | The TCP/IP port number for the virtual serial line. A virtual serial line always listens on this port for incoming connection requests. If multiple virtualized machines are running on a server, ensure the port number is unique across the platform. |
application
| Parameter | application | ||
|---|---|---|---|
| Type | Text string | ||
| Value | An application (a terminal emulator is assumed in most cases) to be started on initialization of this serial line emulation. The specified application startup string may contain all required parameters. Example:
In this example the terminal emulator application: "putty" is started with the parameters "-load OPA0" telling it to load a specific saved session named "OPA0", (created separately) from the host registry. The "application" parameter is often combined with a "port" parameter:
|
Mapping Serial line controllers to system resources
line
| Parameter | line | |
|---|---|---|
| Type | Text string | |
| Value | A defined COM port on a host system in the form of "\\.\COMn" (or "COM<n>:") Example:
|
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