| 摘要 |
<p>PURPOSE:To easily monitor quantitative line transmission quality without need of an eye monitor board and an oscilloscope and to record and display the data of the line transmission quality. CONSTITUTION:A control section 3 reads an EQM data generated by an EQM circuit 21 from a register 22 by a host processor 31 via an EQM data bus 9, calculates its mean value and the EQM average data is given to a display section 6 and displayed via an EQM average data bus 10. Moreover, a RAM 4 records the EQM mean value data and an operation section 5 reads the content of the RAM 4 by the control of the operator and gives it to the display section 6, in which the content is displayed.</p> |
