Using HDLC/LAP-D Protocol

Status and Error Messages

89 ST25REVCD

Revision code upload

 

This message is sent in response to a CW_REVCODE

 

control write. The data buffer contains a single byte

 

which is the current protocol version. Currently, this is

 

11.

Write Completion Status Codes

The following statuses are returned in response to write requests. Although these are a part of the standard status set, they are not used by all protocols, and have a particular significance within this protocol.

0

IO_OK

No error detected

The request was successfully transmitted and acknowledged by the remote side.

1

IO_DSBL

Terminal disabled

The terminal must be enabled before it will accept write or control write requests.

22 IO_LNK_DSC Link disconnected

An unrecoverable error occurred while this request was waiting to be sent or to be acknowledged by the remote side. The transmit request has been flushed.

23 IO_LNK_RSTLink reset

A recoverable error occurred while this request was waiting to be acknowledged by the remote side. The transmit request has been flushed.

Control Write Completion Status Codes

The following statuses are returned in response to control write requests. Although these are a part of the standard status set, they are not used by all protocols, and have a particular significance within this protocol.

0

IO_OK

No error detected

The request was successfully transmitted and acknowledged by the remote side.

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Chapter 3

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HP Advanced Communications Controllers (ACC) manual Control Write Completion Status Codes