Refurb Squared
1 Channel C21 Dual Fiber DWDM OADM, East and West (Two-Sided), LC/UPC, FMU Plug-in Module
1 Channel C21 Dual Fiber DWDM OADM, East and West (Two-Sided), LC/UPC, FMU Plug-in Module
ISO 14001:2015
ISO 45001:2018
ISO 9001:2015
FS.COM unique 1CH DWDM plug-in module is a passive optical add/drop multiplexer designed for metro access applications that represent the state of the art in fiber optics design. A dedicated wavelength can be dropped out of a fiber optic link that parallel transmits multiple DWDM wavelengths by using an add&drop multiplexer. All incoming wavelengths are received at one of the both line ports.
Enterprise Grade Performance
Enterprise Grade Performance
Our networking cables and optical transceivers are designed for high-performance enterprise networks. They support fast data transmission, stable connectivity, and consistent signal strength across switches, servers, and routers.
Wide Device Compatibility
Wide Device Compatibility
These modules are engineered to work with many leading networking brands such as Cisco, Juniper, Arista, and other enterprise systems. They integrate easily into existing network infrastructure.
Simple Plug And Play Setup
Simple Plug And Play Setup
Installation is quick and easy. Simply insert the cable or transceiver into the compatible port and it begins operating immediately without complicated configuration.
Reliable Connection Stability
Tested And Verified Products
Affordable Enterprise Pricing

Competitive Pricing
Refurb Squared networking hardware delivers high-speed connectivity using tested optical modules and enterprise-grade cables built for reliability and seamless device compatibility.
Built For Reliable Networking
At Refurb Squared we provide high-quality networking hardware trusted by engineers and IT professionals. Our mission is to deliver reliable technology at affordable prices.





