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Table of Contents
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General description
PBXDA PCXBJ is a PCI serial lines adapter based on the AccelePort 2R 920, 4R 920, 8R 920 and Xem DIGI adapterscontroller for emulation of AlphaStation Sound Card AD1848.
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"PulseAudio" package of the very last version available must be installed on CHARON host for supporing audio playback. Refer for "PulseAudio" page for obtaining the package and details of its installation. |
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Loading PCXBJ audio adapter
Syntax for loading PBXDA (AccelePort 2r 920) serial lines adapterPCXBJ audio adapter:
| 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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Syntax for loading PBXDA_BA (AccelePort 4r 920) serial lines adapter:
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load PBXDA_BA/DIGI <name>
Syntax for loading PBXDA_BB (AccelePort 8r 920) serial lines adapter:
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load PBXDA_BB/DIGI <name>
Syntax for loading PBXDA_AC (AccelePort Xem) serial lines adapter:
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load PBXDA_AC/DIGI <name>
Example:
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The adapter instance name ("TXA" in the example above) is used then for parametrization, for example:
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The numbers in the square brackets represent line number on the virtual PBXDA adapter starting from 0.
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Example:
load |
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All the parameters described in the "Placement of peripheral devices on PCI bus", such as "bus", "device", "function", "irq", "irq_bus" are applicable for PBXDA for PCXBJ controller. |
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load PBXDA TXA bus=pci_1 device=4 function=0 |
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Configuration parameters
The PBXDA serial lines adapter emulation has the following configuration parameters:
port
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Specifies a local port for incoming telnet connections
By default the "port" configuration option is not specified.
Syntax:
port[line-number]=<local port> |
Example:
set TXA port[2]=17060 |
line
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A defined TTY port on host system:
| Syntax | Description |
|---|---|
| "/dev/tty<N>" | Virtual serial lines |
| "/dev/ttyS<N>" | Onboard serial lines |
| "/dev/ttyUSB<N>" | Modem or USB serial lines adapters |
| "/dev/tty<XXX>" | Proprietary (depending on a driver) devices such as DIGI or MOXA cards |
Example:
set TXA line[2]="/dev/ttyS1"
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A specific account for running CHARON ("charon") does not allow usage of physical consoles " |
"ttyY" notation specifics
Note that the "ttyY" notation can have different forms depending on the nature of the device used:
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"/dev/tty<N>"
where N is from 0 to 11
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Those tty devices must be free from the Linux "getty/mgetty" and similar programs (specified in "/etc/inittab")
Example:
"/dev/tty1" |
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"/dev/ttyS<N>"
where N is a number
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Example:
"/dev/ttyS1" |
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"/dev/tty<XXX>"
where XXX is a complex letter/number notation
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Example for a first port of a MOXA card:
"/dev/ttyR01" |
Example for a first port of a DIGI card:
"/dev/ttyaa" |
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"/dev/ttyUSB<N>"
where N is a number
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Example:
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Once the controller is loaded it uses the host default audio card for audio playback.