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Most models emulated by Charon-PAR have two serial lines (LDev 20 and 21). One of these emulated lines is mapped to the serial console, the other to a second serial port. Some models may have more serial lines. Please refer to Emulated Model Hardware Configuration Details for more information. This section provides an overview of the serial line configuration. Please also refer to the Configuration File Reference.
Configuration Parameters Overview
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The basic configuration options are the same as for the default serial lines.
A serial port has three configuration options:The most important configuration options are listed below. For additional parameters and more detailed information, please refer to the Configuration File Reference.
| Serial port option | Description |
|---|---|
| type | The serial port type determines the protocol used on the serial port. Possible values are:
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| port | Each port is mapped to a TCP socket on the emulator host or to a physical line. This parameter defines the TCP port numberused or , the name of the physical device. The , or the port and address of a serial line server. A port number must be unique among all active port numbers on the host system. A TCP port numberis specified as: Default values:
a port type of socket or telnet. Default values (listening on all interfaces):
To restrict console connections to certain host interfaces or host IP addresses, set where-to-listen to the respective interface name or IP address. The settings A physical device is specified as " Example:
A serial line server is specified as " |
| command | This parameter is optional. It can be used to specify a terminal emulation program that is started automatically when the emulated system is started. Charon-PAR provides preconfigured profiles for PuTTY (PAR-Socket PAR-Telnet PAR-Telnet-VT100) that can be used to connect to the emulated system via a serial line. |
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If not done so already during the installation, copy the provided PuTTY profiles to the correct directory on the host system. See See Post-Installation Tasks in Charon-PAR Software Installation#PARSoftwareInstallation-Post-InstallationTasksInstallation.
Accessing Emulated Charon-PAR/PA3 Systems via Terminal Emulation
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The PuTTY terminal emulator is the preferred method to use as the Charon-PAR/PA3 console. It does not, however, support HP the terminal escape sequences used by the legacy hardware, so any inverse or highlighted text codes will be ignored, and block mode applications cannot be run. Using PuTTY in telnet mode (as supplied) allows use of the Break key. PuTTY supports copy and paste. To copy text to the clipboard, just select it with the left mouse button (this automatically copies the selection to the clipboard). To paste the clipboard into a PuTTY window, use Shift-Ins . Unfortunately, PuTTY cannot be used to reliably paste large blocks of text (even with MPE type-ahead enabled), as data overruns can easily occur.
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| Step | Command / Action | |
|---|---|---|
| 1 | Make sure the preconfigured PuTTY profiles are in the directory .putty/sessions or .config/putty/sessions in your home directory. | (see see Post-Installation Tasks in Charon-PAR Software Installation#PARSoftwareInstallation-Post-InstallationTasksInstallation) |
| 2 | Start PuTTY from the command-line. |
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| 3 | Should you get an error that a font was not found, change the font. | Start PuTTY from the command-line.
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| 4 | To connect from a remote host, change localhost in the template to the correct hostname or IP address. | Start PuTTY from the command-line.
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The xhpterm terminal emulation (an X Windows version of freevt3k ) does not support many terminal escape sequences used by historic HP3000 hardwarePA-RISC hardware for MPE/iX, but it can be used to run block-mode applications. It must be used on a serial line set up for raw mode.
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In the absence of a graphical user environment, terminal emulators such as PuTTY and xhpterm cannot be used. In such cases, you can use the telnet command on the Charon host or from a remote system (if the serial line configuration permits it) to access the serial console port of the emulated PA3 system.
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Accessing the Emulated System Console from a Remote System
Please note:
- The serial line port configuration must allow the remote connection.
- intermediate firewalls must allow the ports used.
- There can be only one connection to an emulated serial line at one time.
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| Step | Command | |
|---|---|---|
| 1 | Connect to the emulator host via SSH specifying that X11 should be tunneled. | $ ssh -X <user>@<emulator-host> |
| 2 | Enter the password of user to log into the emulator host system. | |
| 3 | Start the terminal emulation program (e.g., PuTTY, assuming the Charon-PAR session configurations have been installed for the user). | $ putty -load PAR-Telnet-VT100 |
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