IBM VERSION 5 SY44-5902-05 - Manual (Page 333)

v Phase jitter
v Receive level
v Transmit level
v Round trip delay time
v Modem type, model, address, and transmit speed
v Number of line errors and RLSD losses
The modem returns acceptable limits for some of the parameters.
The Send and receive test causes the DCEs to exchange several blocks of test patterns
and track the errors that occur during transmission. The test reports the following:
v DCE type, model, address, and transmit speed
v Signal lost condition
v Worst line quality
v Number of line errors
v The number of blocks that are sent, received, and in error
Appendix A. OS/400 319