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Serial port optionDescription
type

The serial port type determines the protocol used on the serial port. Possible values are:

  • dummyDUMMY: serial interface presented to emulator is not connected.
  • socket: the port is set to TCP raw mode.
  • telnet: the port supports the telnet protocol.
  • pty: indicates that the emulated serial line is connected to a Linux pseudo-terminal.
  • tty: emulated serial line is connected to physical hardware (serial hardware must be supported by Linux).
  • RFC2217: emulatied serial line is connected to a serial line server across the IP network.
port

Each port is mapped to a TCP socket on the emulator host or to a physical line. This parameter defines the TCP port used, the name of the physical device, 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 is specified as "<where-to-listen>:<portnumber>". It requires a port type of socket or telnet.

Default values (listening on all interfaces):

  • ":30000" for line 1
  • ":30002" for line 2

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 lo:<portnumber> and <portnumber> (without the colon) are equivalent.

A physical device is specified as "<device-file>". It requires a port type of device.

Example:

  • "/dev/ttyS0"
  • "/dev/ttyUSB0"

A serial line server is specified as "<ip-address>:<port>".

commandThis 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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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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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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StepCommand
1Connect to the emulator host via SSH specifying that X11 should be tunneled.$ ssh -X <user>@<emulator-host>
2Enter the password of user to log into the emulator host system.
3Start 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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