Accelight’s 1.25G SFP DWDM ZX EZX(80-120)km series single mode transceiver is small form factor pluggable module for duplex optical data communications. This module is designed for single mode fiber and operates at a nominal DWDM wavelength from 1528.77nm to 1565.50nm as specified by the ITU-T. It is designed to deploy in the DWDM networking equipment in metropolitan access and core networks. It is with the SFP 20-pin connector to allow hot plug capability. The transmitter section uses a DWDM multiple quantum well DML laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The Module series are designed to be compliant with SFF-8472 SFP Multi-source Agreement (MSA).