The Anritsu MS9715A and MS9715B WDM Testers are measuring instruments for use in system manufacture, construction, and maintenance. One instrument combines accurate measurement of necessary items over long periods and satisfies conditions of simplicity of use in construction and maintenance operations, lightness and compactness, and superior environmental performance with respect to vibration and shock. In addition, since the LabVIEW driver is fitted as standard, programming by remote control is simple. A windows compatible floppy disk drive is also fitted as standard. Wavelength Range for MS9715A: 1527 to 1567 nm; Measurement Range for MS9715A: -65 to +20 dBm. Option 37= FC connector.