Detailed Specifications
HPE JD121A 10GBASE-ER 40km XFP Optical Transceiver
Overview
The HPE JD121A is a hot-pluggable XFP transceiver module designed for high-speed, long-distance optical networking. Engineered for 10 Gigabit Ethernet applications, it provides a reliable solution for extending network reach in enterprise and service provider backbones, metropolitan area networks (MANs), and data center interconnects. Its primary function is to convert electrical data signals into optical signals for transmission over single-mode fiber optic cables, enabling robust communication over significant distances. This module operates at a 1550nm wavelength, which is ideal for minimizing optical signal loss and dispersion over extended fiber runs. The use of an efficient EML laser transmitter allows the JD121A to achieve a maximum link distance of up to 40 kilometers, making it a critical component for connecting geographically dispersed sites without the need for signal repeaters. This capability ensures high-integrity data transfer for demanding, high-bandwidth services. Physically, the transceiver adheres to the XFP Multi-Source Agreement (MSA), ensuring broad compatibility with a wide range of networking equipment. Its small form factor allows for high-density port configurations in switches and routers. Management is streamlined through the support for Digital Optical Monitoring (DOM), also known as Digital Diagnostics Monitoring (DDM), which provides real-time access to crucial operating parameters like optical power, temperature, and voltage.
