Wireline From core to access, and from SONET/SDH to Ethernet and FTTx, wireline infrastructure is a vital component of any network. Discover our wireline testing solutions. How to buy Request a quote Contact a sales representative Ask an expert Wireline How to buy Request a quote Contact a sales representative Ask an expert Solutions Show sections Hide sections Adaptive service assurance solutions Academic and research institutions Cable MSOs (multiple system operators) Service assurance Wireline Communications service providers Service assurance Wireline Wireless Contractors Managed services, installation and maintenance Government Network equipment manufacturers Technologies Webscale companies and data centers CWDM Coarse wavelength-division multiplexing (CWDM) is used to increase the bandwidth of an optical fiber by multiplexing several wavelengths (or colors) onto it—just like dense wavelength-division multiplexing (DWDM). Read more Data centers Data centers around the globe are migrating to fiber. From copper to fiber and 10G to 40/100G where LC and MPO connectors dominate. Read more DWDM EXFO's solution to ensure smooth DWDM operation: inspection probes, OTDRs, power meters, dispersion testers and optical spectrum analyzers. Read more Ethernet business services See how EXFO speeds up the carrier Ethernet testing process with solutions optimized for turn-up testing, baselining, troubleshooting, monitoring and SLA validation. Read more Fiber characterization For network expansion, EXFO offers a full suite of fiber characterization solutions to meet the needs of today’s 10G, 40G and 100G networks. Read more Fiber testing Learn all about fiber testing and discover EXFO’s full suite of fiber optic testing solutions to ensure network integrity. Read more FTTN networks EXFO offers trusted copper last-mile test solutions that combine the perfect mix of intelligence, automation and field-oriented designs. Read more FTTx testing There are different types of FTTX networks. FTTH means the fiber connection goes all the way to the customer premise (home or private networks). Read more High-speed High Speed technology is complex, testing shouldn’t be Read more OTDR testing Learn all about OTDR technology and EXFO’s wide variety of OTDR testing equipment used to characterize and troubleshoot fiber optic links. Read more Passive optical LAN testing Following the FTTH trend to deliver more bandwidth to the consumers, a new technology is rising to provide more bandwidth, more services and future-proof networks to the enterprises: Passive Optical LAN (POL). Read more Passive Optical Network (PON) testing Learn all about passive optical networks including PON challenges, how to test next-gen and legacy PON technologies and more. Read more Residential network services Installing residential network services running at gigabit broadband speeds? Ensure all testing requirements and best practices have been followed. Read more Submarine networks Ensure rollout and optimize performance of 40G/100G submarine fiber optic networks. Read more