37701B T1/Datacom tester offers complete T1 and fractional T1 bit-error and signal measurements. It also generates tones in a channel and allows VF signals in any timeslot to be monitored. Test results are preselected using easy-to-read bar charts, allowing quick analysis of the circuit trouble. Tests can be performed using auto configure or stored user setups for fast and easy testing. Optional pulse shape and clock slip analysis allow quick, graphic interpretation of distortion and timing problems. DTE/DCE interface and measurements can be added for datacom testing.