Checking Statistics4-31CSX WAN ConfigurationFollowing are descriptions of each of the errors which are recorded in thiswindow.RsPort#A unique number assigned to the synchronous port.FCS ErrDisplays the total number of frames with an invalid frame check sequence thatwere input from the port while its state was up or test, since the system was lastinitialized.Transmit UnderrunDisplays the total number of frames that failed to be transmitted on the portbecause data was not available to the transmitter in time while its state was up ortest, since the system was last initialized.Receive UnderrunDisplays the total number of frames that failed to be received on the port becausethe receiver did not accept the data in time while its state was up or test, since thesystem was last initialized.InterruptedDisplays the total number of frames that failed to be received or transmitted onthe port due to loss of modem signals while its state was up or test, since thesystem was last initialized.AbortedDisplays the total number of frames aborted on the port due to receiving an abortsequence while its state was up or test, since the system was last initialized.Synchronous Port SignalsThe Synchronous Port Signals window contains a line for each input and outputsignal on each synchronous port. The information in this window includes thesignal types that the synchronous port has received or sent, as well as the currentstate of each signal, and the number of state changes of each signal.To open this window:1. Click on . A pull-down menu will appear.2. Drag down to Synchronous Port Signals and release. Figure 4-16 willappear.