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General description

PBXDA is a PCI serial lines adapter based on the AccelePort 2R9202R 920, 4R9204R 920, 8R920 8R 920 and Xem DIGI adapters.

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Loading PBXDA serial lines adapter

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Controller typeMaximum number of lines
PBXDA 2
PBXDA_BA4
PBXDA_BB8
PBXDA_AC16

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Info

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 controller.


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Note

DIGI drivers for OpenVMS and Tru64 are sensitive to PBXDA location on PCI, therefore it is recommended to fix PBXDA location with explcit configuration.

For example:

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

Parameterport
TypeText String
Value

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

Parameterline
TypeText string
Value

A defined TTY port on host system:

SyntaxDescription
"/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/

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ttyS1"


Note

A specific account for running CHARON ("charon") does not allow usage of physical consoles "/dev/tty<N>" as CHARON consoles. If you plan to map CHARON console to "/dev/tty<N>" use only "root" account for CHARON running.

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"ttyY" notation specifics

Note that the "ttyY" notation can have different forms depending on the nature of the device used:

MappingTypeCommentary

"/dev/tty<N>"

where N is from 0 to 11

Linux virtual tty

Those tty devices must be free from the Linux "getty/mgetty" and similar programs (specified in "/etc/inittab")

Example:

"/dev/tty1"


"/dev/ttyS<N>"

where N is a number

Onboard serial lines

Example:

"/dev/ttyS1"


"/dev/tty<XXX>"

where XXX is a complex letter/number notation

Proprietary (depending on a driver) devices 

Example for a first port of a MOXA card:

"/dev/ttyR01"

Example for a first port of a DIGI card:

"/dev/ttyaa"


"/dev/ttyUSB<N>"

where N is a number

Modem or USB serial lines adapters

Example:

"/dev/ttyUSB1"

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