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General Description

CHARON-AXP offers a one- (OPA0) or two-port serial console , depending on the specified HP Alpha model.

The AlphaServer DS10, AlphaServer DS10L, AlphaServer DS15, AlphaServer 400, AlphaServer 800, AlphaServer 1000 and AlphaServer 1000A has an additional on-board serial line controller providing a serial line TTA0.

The regular console is already preloaded, so you need to specify just its mapping to the host resources, for example:

load physical_serial_line OPA0 line="COM1:"

In case of the TTA0 console the mapping looks like that:

load virtual_serial_line TTA0 port=10000
set COM2 line=TTA0

The first line specifies a mapping to a unique TCP/IP host port ("10000" in this example), while the second line connects this mapping (TTA0) to the on-board serial line controller having the name "COM2" in CHARON environment.

Refer to this section for details of mapping.

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Console Parameters

...

on all supported AXP models.

Example for OPA0 console ("COM1" port):

set COM1 alias=OPA0

When using the TTA0 console ("COM2" port):

set COM2 alias=TTA0

Refer to Mapping Serial line controllers to system resources for details of mapping.

Note
CHARON emulated console supports only 80 symbols in one line.

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General parameters

CHARON-AXP console lines COM1 and COM2 have the following parameters:

All the values in the following tables are case insensitive.

communication

alias

Parameter

communication

Type
alias

Text stringParameterlineType

Value

"ascii" - for connection to terminals (default)
"binary" - for binary (packet) protocols, which are used mainly for communicating with PLCs

line

Identifier
Value	This parameter is used to

connect a particular serial line mapping interface to the controller.

Example:

set COM2 line=TTA0

Example

set COM2 communication="binary"

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Mapping Serial line controllers to system resources

Types of serial line mapping:

...

This type of mapping associates a COM port on a host system with an emulated HP Alpha serial line controller virtual "line".

The COM port can be a physical hardware port or a logical COM port.

...

Example:

load physical_serial_line TTA0

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physical_serial_line

line

...

set an useful name for COM1 or COM2 ports.

Usually it is "OPA0" for COM1 and "TTA0" for COM2

Example:

set COM2 alias=TTA0

communication

Value
Parameter	communication
Type	Text string

A defined COM port on a host system in the form of "\\.\COMn" (or "COM<n>:")

Example:

...

"ascii" - for connection to terminals (default)
"binary" - for binary (packet) protocols, which are used mainly for communicating with PLCs

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:

set OPA0 baud=38400

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).

Note

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:

>>> set controlp off
>>> power off

The second line is to preserve the ROM settings.

Example:

set OPA0 break_on="Ctrl-P"

The default value is "Break".

This parameter can be specified only for COM1 (OPA0) console

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

-AXP

Virtual Machine (VM) to exit.

Specify the one of the following values: “F6” or “none” ("none" disables triggering a STOP condition).

Example:

set OPA0 stop_on="F6"

The default value is "none".

Setting "F6" triggers the STOP condition upon receipt of the "<ESC>[17~" sequence. Terminals usually send these sequences by pressing the F6 button

This parameter can be specified only for COM1 (OPA0) console

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

-AXP

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

-AXP

VM does not create a console log.

Examples:

set OPA0 log="log.txt"

set OPA0 log="C:\Charon\Logs"

Note
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.

"unlimited" or "0" (default) - the feature is disabled
"default" - default size is used (4Mb)
<size>[KMG] - size of the current log file in bytes with additional multipliers:
- K - Kilobyte - multiply by 1024
- M - Megabyte - multiply by 1024*1024
- G - Gigabyte - multiply by 1024*1024*1024

Examples:

set OPA0 log_file_size="default"

set OPA0 log_file_size=10M

Minimum log file size is 64K, maximum is 1G. Setting size less then 64K effectively makes the log file unlimited

.

Example of mapping a console line to a host physical serial line

load physical_serial_line OPA0 set OPA0 line="\\.\COM1"

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virtual_serial_line

host

ParameterhostTypeText stringValueA remote host’s IP address or hostname (and optionally a remote TCP/IP port number) for the virtual serial line connection. If omitted, the virtual serial line does not initiate a connection to the remote host and will listen for incoming connection requests

.

Specify the value in the following form:

set OPA0 host="<host-name>[:<port-no>]"

If the "<port-no>" is not specified, the virtual serial line uses the TCP/IP port number specified by the "

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:

set

OPA

OPA0 application = "putty.exe -load OPA0"

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:

set TTA0 port = 10003 application = "putty.exe -load TTA1"

break_on

Parameter break_on

Type Text string

Value

Specifies what byte sequences received over a virtual serial line triggers a HALT command.

Specify one of the following values: "Ctrl-P", "Break" or "none" to disable triggering a HALT condition. The commands are case insensitive.

Note

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:

>>> set controlp off
>>> power off

The second line is to preserve the ROM settings.

Example:

set OPA0 break_on="Ctrl-P"

The default value is "Break".

This parameter can be specified only for COM1 (OPA0) console

stop_on

Parameter stop_on

Type Text string

Value

Specifies what byte sequences received over the virtual serial line will trigger a STOP condition. The STOP condition causes CHARON-AXP to exit.

Specify one of the following values: “F6” or “none” ("none" disables triggering a STOP condition). The commands are case insensitive.

Example:

set OPA0 stop_on="F6"

The default value is "none".

Setting "F6" triggers the STOP condition upon receipt of the "<ESC>[17~" sequence.

This parameter can be specified only for COM1 (OPA0) console

log

...

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Mapping Serial line controllers to system resources

line

Parameter	line
Type	Text string
Value	A

string specifying the filename to store the content of the console sessions or a directory where log files for each individual session will be stored.

If an existing directory is specified, CHARON-AXP automatically enables the 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-AXP does not create any console log.

Examples:

set OPA0 log="log.txt"

set OPA0 log="C:\Charon\Logs"

Note
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.

"unlimited" or "0" (default) - the feature is disabled
"default" - default size is used (4Mb)
<size>[KMG] - size of the current log file in bytes with additional multipliers:
- K - Kilobyte - multiply by 1024
- M - Megabyte - multiply by 1024*1024
- G - Gigabyte - multiply by 1024*1024*1024

Examples:

set OPA0 log_file_size="default"

set OPA0 log_file_size=10M

Minimum log file size is 64K, maximum is 1G. Setting size less then 64K effectively makes the log file unlimited.

Example 1

Mapping a console line to a host TCP/IP port 10003 and starting a "Putty" terminal emulator with a configuration "OPA" directing it to connect to the port 10003:

load virtual_serial_line OPA0 set OPA port = 10003 application = "putty.exe -load OPA0"

Notes on "virtual_serial_line" options

Use the combination of "port" and "host" parameters as follows to connect a 3rd party terminal emulator or similar program.
load virtual_serial_line TTA0 host="192.168.1.1" port=10000
In this example CHARON-AXP connects to port 10000 of a host with TCP/IP address "192.168.1.1" and at the same time it accepts connections on local port 10000.
It is possible to specify a port on a remote host (note that CHARON always acts as a server). The syntax is:
load virtual_serial_line TTA0 host="192.168.1.1:20000" port=10000
In this example CHARON-AXP accepts connection on local port 10000 and connects to remote port 20000 of a host with TCP/IP address "192.168.1.1"

Note: the examples above are mainly used for inter-CHARON communications. They are used to connect CHARON-AXP to an application that communicates to CHARON-AXP as described below.

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Example 2

Two CHARON systems connected to each other:

On host "A":

load virtual_serial_line TTA0 port=5500 host="B"

On host "B":

load virtual_serial_line TTA0 port=5500 host="A"

On these two hosts, executing CHARON-AXP, the two TTA0 lines connect to each other, thus creating a "serial" cable between the two emulated HP Alphas. The sequential order in which the instances of CHARON-AXP are started makes no difference.

...

defined COM port on a host system in the form of "\\.\COMn" (or "COM<n>:")

Example:

set OPA0 line="\\.\COM1"

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Versions Compared

Old Version 1

New Version Current

Key

General Description

Console Parameters

General parameters

alias

line

Example

Mapping Serial line controllers to system resources

physical_serial_line

line

communication

baud

break_on

stop_on

log

log_file_size

Example of mapping a console line to a host physical serial line

virtual_serial_line

host

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

break_on

stop_on

log

Mapping Serial line controllers to system resources

line

log_file_size

Example 1

Notes on "virtual_serial_line" options

Example 2

Page Comparison

Versions Compared

Old Version 1

New Version Current

Key

General Description

Console Parameters

General parameters

alias

line

Example

Mapping Serial line controllers to system resources

physical_serial_line

line

communication

baud

break_on

stop_on

log

log_file_size

Example of mapping a console line to a host physical serial line

virtual_serial_line

host

port

ParameterportTypeNumericValueThe 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

break_on

stop_on

log

Mapping Serial line controllers to system resources

line

log_file_size

Example 1

Notes on "virtual_serial_line" options

Example 2

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.