Description
The Cisco QSFP-100G-ERL-S is a high-performance 100G transceiver module designed for long-range data transmission in enterprise and service provider networks. Built in a compact QSFP28 form factor, this module supports a reach of up to 40km over single-mode fiber (SMF) using duplex LC connectors. It operates on LAN-WDM wavelengths and features a built-in digital diagnostics monitoring (DDM) function for real-time performance tracking. Designed for efficiency, it offers low power consumption while maintaining reliable connectivity for high-bandwidth applications.
This module supports 100G Ethernet connectivity and is compliant with industry standards, ensuring seamless integration with compatible Cisco networking equipment. It utilizes a high-quality EML (Electro-Absorption Modulated Laser) transmitter and a PIN photodiode receiver to maintain signal integrity over extended distances. The hot-swappable design ensures minimal downtime during installation or replacement, making it a practical choice for network scalability. Built for demanding environments, it is a cost-effective solution for those looking to expand or upgrade their existing infrastructure with used, high-quality hardware.

