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When using the TTA0 console ("COM2" port):
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Refer to 695402606 to Mapping Serial line controllers to system resources for details of mapping.
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Note that the "ttyY" notation can have different forms depending on the nature of the device used:
| Mapping | Type | Commentary | ||
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"/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:
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"/dev/ttyS<N>" where N is a number | Onboard serial lines | Example:
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"/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:
Example for a first port of a DIGI card:
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"/dev/ttyUSB<N>" where N is a number | Modem or USB serial lines adapters | Example:
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