10G DWDM XFP ER CH17~CH61 40km

Q: Can XFP and SFP+ optical modules be interconnected?

A: As long as they share the same transmission rate, transmission distance, and wavelength, they can be interconnected using optical fibers. For instance, a 10G XFP optical module with a wavelength of 1310nm and a transmission reach of 10KM can be connected with a 10G SFP+ optical module of the same wavelength and distance. Although optical module transmission rates have escalated to 200G in the market, this does not signify the obsolescence of 10G modules; 10G modules remain. Due to variations in size, structure, and compatibility, 10G XFP and 10G SFP+ optical modules cannot substitute for one another.

Q: What is an XFP optical module?

A: XFP stands for 10 Gigabit Small Form Factor Pluggable, a standardized encapsulation for 10Gbps serial optical transceiver modules. A 10 Gigabit XFP optical module is a hot-pluggable I/O device designed for 10-gigabit ports, with its electrical interface standardized as XFI, a 10Gbps serial interface. It conforms to 10G Fiber Channel, 10G Ethernet, SONET/OC-192, and SDH/STM-64 standards. XFP modules can support transmission distances up to 100 kilometers.

Q: What is an SFP+ optical module?

A: An SFP+ optical module is a 10 Gigabit-per-second transmission rate optical module with an SFP+ form factor. This module boasts advantages such as high density, low power consumption, and reduced system construction costs. SFP+ modules find wide application in 10 Gigabit Ethernet, SDH optical transmission networks, WDM wavelength division multiplexing systems, and single-fiber bi-directional systems. SFP+ modules come in multi-mode variants with a reach of 300 meters and single-mode variants capable of reaching 100 kilometers.

Q: What types of 10G XFP Ethernet optical modules are there?

A: 10G XFP Ethernet optical modules include single-fiber XFP modules, dual-fiber XFP modules, and XFP CWDM/DWDM modules. The distinctions lie in: single-fiber modules have only one port and must be used in pairs, featuring two different wavelengths—commonly used wavelengths for 10G single-fiber modules are 1270nm/1330nm and 1490nm/1550nm. Dual-fiber modules have two ports, requiring two fibers, operating on a single wavelength, typically 850nm, 1310nm, or 1550nm. CWDM modules can multiplex approximately 8-16 wavelengths on a single fiber, with wavelengths ranging between 1270nm-1610nm. DWDM modules can multiplex up to 45 wavelengths, with a range of 1528.77-1563.86nm (C-band).