o 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. o creation time Time at which this entity was created. o data block check errors Number of messages received with an error in the data field block check. o 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. o 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. o 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. o receive overruns Number of times that the host memory was not able to handle all the data received from the communications channel. o sdus received Number of data messages received from the remote station. o sdus sent Number of data messages sent to the remote station. o service octets received Number of data octets received from the remote station. o service octets sent Number of data octets sent to the remote station. o transmit underruns Number of times that the host memory could not supply data fast enough to satisfy the communications channel.