... and interleave channel testing.l Line parameters testing: up and down channel rate, line attenuation, noise margin, output ... RFC-1483B) RFC-1483RLine performance index: down speed 24Mb/s, and up speed 1.2Mb/s, Maximum transmission distance ... , accuracy: ±5%PON Technical Index Calibrate Wavelength1310nm up Test1490nm down Test1550nm down TestPassband (nm)1260~13601470~15051535~1570Detection Range (dBm ...