ET2035 V.35 Circuit Tester Specification

Power: Off/On
DTR, RTS: Sets condition of these signals to either an On or Off condition
Transmit: Continuous 1’s or 0’s PRP15 test pattern-inverted as per ITU recommendation for 2.048Mb PCM systems PRP15 ( 215-1)
Inject Errors: Single errors /2 errors per sec
Error Count / Reset / Clock Speed: Sets the display options for the LCD display Reset also resets the lost synch indicator
Clock Rate: Selects either the transmit or receive clock lines for measurement
Measurement (Round Trip Delay): Initiates the circuit propagation delay measurement in mS

Low Battery (flashing): <30 mins power remaining
DSR: CTS: DCD: Displays the status of the signal Red = Off, Green = ON
PRP sync: Green-OK, Red –inverted data err: flashes each time an error is detected
Data: Red = ‘1’, Green = ‘0’
Sync Lost: Indicates a loss of synchronisation has occurred during a test cycle-which may result in large error bursts.
OK (Round Trip Delay): Indicates a measurement cycle has been successfully completed
Tx Clock: Indicates presence of Tx clock signals
Rx Clock: Indicates presence of Rx clock signals Green = Clock phasing correct, Red = Clock phasing out of tolerance/inverted with respect to the received data