Chapter 4. Status Menu61202156L2-1 TDU 120e User Manual 4-5Nx/DBU (0.1) Menu ItemsDTE Data/ClockAn asterisk (*) indicates an active status of the followinglines:TXDTransmit data from the DTERXDReceive data toward the DTEXSOExcess zeros from the DTELCKLock status of the phase locked loopDTE StatusAn asterisk (*) indicates an active status of the followinglines:RTSRequest to send from DTECTSClear to send to DTEDCDData carrier detect to DTEDSRData set ready to DTEDTE Port RateThe PORT RATE displays the current setting of the Nxport. Continue with standard operating procedures toexit the display.