ABORT CHARACTERS RECEIVED
       Number of times that the link was prematurely terminated by the remote
       station. This counter is supported only if the characteristic (protocol)
       is set to either (hdlc or sdlc).

    DATA BLOCK CHECK ERRORS
       Number of messages received with an error in the data field block check.

    HEADER BLOCK CHECK ERRORS
       Number of messages received with an error in the header block check. This
       counter is supported only if the characteristic (protocol) is set to
       (ddcmp).

    INVALID CHARACTERS RECEIVED
       Number of times that an invalid character was received from the remote
       station. This counter is supported only if the characteristic (protocol)
       is set to either (bisync) or (ddcmp).

    RECEIVE BUFFER OVERFLOWS WITH GOOD CRC
       Number of times that the local station received a message too large for
       the receive buffer and the message had a valid CRC.

    RECEIVE OVERRUNS
       Number of times that the host memory was not able to handle all the data
       received from the communications channel.

    SDUS RECEIVED
       Number of data messages received from the remote station.

    SDUS SENT
       Number of data messages sent to the remote station.

    SERVICE OCTETS RECEIVED
       Number of data octets received from the remote station.

    SERVICE OCTETS SENT
       Number of data octets sent to the remote station.

    TRANSMIT UNDERRUNS
       Number of times that the host memory could not supply data fast enough
       to satisfy the communications channel.