Chapter 7 Test Results
Datacom results
92 SmartClass E1 Tester User’s Guide
Data results
In the Data result category, a “mark” indicates the all ones pattern is being
detected; a “space” indicates the all zeros pattern is being detected. The
results change depending on the test mode.
Table 26 describes the Data results.
Tx RTS/C Transmitter Request To Send
Tx DTR Transmitter Data Terminal Ready
Tx LL Transmitter Local Loopback
Tx RL Transmitter Remote Loopback
Table 25 Control Signal results (Continued)
Result Definition
Table 26 Data results
Result Definition
RX Data Loss Count Number of receiver synchronization losses result-
ing from a loss of data. Only valid when the Data
Loss setting is enabled.
RX Data Loss Lost receiver synchronization detected.
RX Data Loss History Lost receiver synchronization detected since start
of test.
Rx RD Space Receiver Receive Data Space (Yes or No
Rx RT Space Receiver Receive Timing Space (Yes or No)
Rx ST Space Receiver Signal Timing Space (Yes or No)
Rx RD Mark Receiver Receive Data Mark (Yes or No)
Rx RT Mark Receiver Receive Timing Mark (Yes or No)
Rx ST Mark Receiver Signal Timing Mark (Yes or No)
Tx TD Space Transmitter Transmit Data Space (Yes or No)
Tx TT Space Transmitter Signal Timing Space (Yes or No)
Tx TD Mark Transmitter Transmit Data Mark (Yes or No)
Tx TT Mark Transmitter Signal Timing Mark (Yes or No)
Rx Async Data Present Receiver synchronization loss currently detected.
Only valid when the Data Loss setting is enabled
and only appears if using asynchronous timing.
Rx Async Data Loss Count Number of receiver synchronization losses result-
ing from a loss of data. Only valid when the Data
Loss setting is enabled and only appears if using
asynchronous timing.
Rx Frame Errors Count of frames containing one or more bit errors.
Rx Frame Error Rate Ratio of frame errors to received frames.
Rx Char Errors Count of characters containing one or more bit
errors.
Rx Chars Count of the number of received characters since
the last test restart.
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