If the buffer contains data, the RSM-8R4 will display a prompt that offers the following
Display One Screen: To send data one screen at a time, press [Enter]. Each time
[Enter] is pressed, the next screen is sent.
Display All Data: To send all data currently stored in the buffer,
type 1 and press [Enter].
Erase Data on Screen: To erase the data currently displayed
on-screen, type 2 and press [Enter].
Erase all Data: To erase all data currently stored in the buffer, type 3 and
press [Enter].
Exit: To exit from Read Buffer mode, press [Esc].
Note: Only one user can read from a port buffer at a time. If a second user
attempts to read from a port that is already being read, an error message will be
To clear data from any port buffer (with or without reading it first), access command
mode via the text interface, using an account and port that permit Administrator,
SuperUser or User level commands, then issue the /E (Erase Buffer) command using
the following format:
/E xx [Enter]
Where xx is the number of the port buffer to be cleared.
The /E command cannot erase data from a port buffer that is currently being
read by another port.
The /E command is not available to ViewOnly level accounts. Port Buffers
The Status Screen lists the amount of Buffer Memory currently used by each port. The
RSM-8R4 uses buffer memory in two different ways, depending on the user-selected
port mode.
Any-to-Any, Passive, and Modem Mode Ports: When two ports are
communicating at dissimilar baud rates, the buffer memory prevents data overflow
at the slower port.
Buffer Mode Ports: Stores data received from connected devices. The user
issues a Read Buffer command (/R) from an Any-to-Any or Modem Mode port to
retrieve data.
If the Status Screen indicates an accumulation of data, the /E (Erase Buffer) command
can be invoked to clear the buffer.
Note: When a Buffer Mode port is reconfigured as an Any-to-Any, Passive,
or Modem Mode port, any data stored in the buffer prior to changing the port
mode will be lost.
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