WX-AD-SM2 single mode fiber adapter for Psiber WireXpert 228,000 th An adapter for single-mode fibers for the certification of systems with 1310 nm and 1550 nm wavelength with a source having two Wavelengths (1310nm and 1550nm). This adapter must be used in conjunction with the WireXpert 228,000th Single-mode Certification Kit: Two single-mode fiber adapter Two singlemode duplex patch cords One single-mode SC adapter Quick Start guide to change without notice