Avocent CPS1610, Installer/User Manual, Page: 44 / 82

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CPS 810/1610 Installer/User Guide
You may then use one of the following commands :
PORT HISTORY
Rights Required: None
A 64K history buffer is maintained for each CPS port. Each buffer is a
circular queue that contains the last 64K of data that has been received from
the attached serial device. The buffer begins filling with received data upon
completion of CPS initialization, even if no user is connected to the port. When
you connect to a serial port, data received from the attached serial device prior
to the connection is available in the buffer. Data received from the attached
serial device during the connection is also added to the port’s history buffer.
Upon termination of the current TELNET session, the port history buffer is
cleared and all data in the buffer is discarded. In addition, the history buffer may
be manually cleared using the PORT HISTORY CLEAR command.
Data contained within the port history buffer may be viewed at any time
using the PORT HISTORY command line interface (CLI). Upon entering PORT
HISTORY command mode, the CPS will display the text
TOP OF BUFFER
followed by the first 23 history display lines.
The PORT HISTORY CLI mode will be indicated by a unique CLI prompt:
PORT HISTORY >
The following commands are supported by the PORT HISTORY CLI mode.
Only the first letter of a command needs to be entered.
BOTTOM The history view location will be set to the BOTTOM of the
file minus 23 history display lines, if available.
CLEAR Clears the port history buffer.
NEXT Increments the current history display line by the number of
lines per page and a new history display page is output.
PREV Decrements the current history display line by the number of
lines per page and a new history display page is output.
QUIT Returns to the normal CLI.