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Table of Contents
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General description
CHARON-AXP supports emulation of PBXDA-xx family PCI serial adapter based on DIGI AccelePort serial adapters via CHARON PCI Pass Through mode (using a specific CHARON PCI Pass Through driver) and by direct virtualization.
CHARON PCI Pass Through mode enables connection between the virtual PBXDA-xx PCI serial adapter and the physical DIGI AccelePort PCI serial adapter plugged into a hosting server PCI bus whether as the direct virtualization may address the host serial port or TCP/IP port.
Virtual PBXDA-xx PCI serial adapter
Loading virtual PBXDA-xx serial lines adapter
Syntax for loading PBXDA (AccelePort 2r 920) serial lines adapter:
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Syntax for loading PBXDA_BA (AccelePort 4r 920) serial lines adapter:
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Syntax for loading PBXDA_BB (AccelePort 8r 920) serial lines adapter:
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Syntax for loading PBXDA_AC (AccelePort Xem) serial lines adapter:
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Example:
load PBXDA/DIGI TXA |
The adapter instance name ("TXA" in the example above) is used then for parametrization, for example:
set TXA line[2]="COM1:" |
The numbers in the square brackets represent line number on the virtual PBXDA-xx adapter starting from 0.
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| Controller type | Maximum number of lines |
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| PBXDA | 2 |
| PBXDA_BA | 4 |
| PBXDA_BB | 8 |
| PBXDA_AC | 16 |
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All the parameters described in the "Placement of peripheral devices on PCI bus" chapter, such as "bus", "device", "function", "irq", "irq_bus" are applicable for PBXDA-xx controller. |
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DIGI drivers for OpenVMS and Tru64 are sensitive to PBXDA-xx location on PCI, therefore it is recommended to fix PBXDA-xx location with explicit configuration. Example:
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Configuration parameters
The PBXDA-xx serial lines adapter emulation has the following configuration parameters:
port
| Parameter | port | ||
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| Type | Text String | ||
| Value | Specifies a local port for incoming telnet connections By default the "port" configuration option is not specified. Syntax:
Example:
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line
| Parameter | line |
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| Type | Text string |
| Value | A defined COM port on host system: Example:
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Pass-through mode
Loading PBXDA-xx PCI serial adapter in pass-through mode
Note the model of DIGI AccelePort PCI serial adapter for emullation of a particular model of PBXDA-xx family PCI serial adapter:
DEC PBXDA-xx adapter | Name of the device to map to | Controller | Vendor ID | Device ID |
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| PBXDA-BA | DIGI AccelePort 4r 920 | ASIC PCI | 114Fh | 0026h |
| PBXDA-BB | DIGI AccelePort 8r 920 | ASIC PCI | 114Fh | 0027h |
| PBXDA-AC | DIGI AccelePort Xem | ASIC PCI | 114Fh | 0004h |
| PBXDA-AC | DIGI AccelePort Xem | ASIC PCI | 114Fh | 0008h |
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Loading PBXDA-xx PCI serial adapter
Syntax for loading PBXDA-xx PCI serial adapter:
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In AlphaStation 400 configuration use the following syntax for PBXDA-xx PCI serial adapter loading:
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Configuration parameters
The PBXDA-xx PCI serial adapter emulation has only one configuration parameter:
host_bus_location
| Parameter | host_bus_location | ||||||||||
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| Type | Text String | ||||||||||
| Value | Establish connection between virtual PBXDA-xx PCI serial adapter and physical DIGI AccelePort PCI serial adapter installed on CHARON host (pass through mode) Syntax:
where:
Example:
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Installation of DIGI AccelePort PCI serial adapter
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Upon completion, a new device will appear in the device manager with the CHARON logo on it.
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Mapping to host DIGI AccelePort PCI serial adapter
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Non-US-EN installations of Windows may present “Location:” string in local language, but "host_bus_location" parameter requires English notation, so the words “PCI”, “bus”, “device”, and “function” must be specified in English.
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