CWDM/DWDM transceivers support 'grey' 1G, 10G optics, longer MMF, SMF distances

Sept. 27, 2022
More than 300 new CWDM and DWDM products from L-com offer more wavelengths, longer distances, and faster data rates.

Infinite Electronics subsidiary L-com, a supplier of wired and wireless connectivity products, recently announced a significant expansion of its line of fiber-optic transceivers.

The more than 300 new coarse wavelength division multiplexing (CWDM) and dense wavelength division multiplexing (DWDM) products now on offer from L-com support additional wavelengths, distances and data rates, compared to L-com’s previous transceiver offerings.

L-com says the new breadth of fiber-optic transceivers is expected to be particularly useful for telecommunications service providers, cable TV multiple system operators (MSOs), data communications companies and enterprise networks, and in government network applications.

A touch of grey

Fiber-optic transceivers convert a switch’s or router’s electrical signal to an optical signal, then change it back to an electrical signal at the receiving device. The new fiber optic transceivers on offer add to L-com's existing portfolio of “grey” wavelength transceivers (850 nm, 1310 nm and 1550 nm) with both CWDM and DWDM wavelength options.

New CWDM transceivers are offered in eight different wavelengths (1470 nm through 1610 nm, in 20 nm increments). New DWDM transceivers are offered in 40 different channels, from channels 20 through 59 (1530.33 nm through 1561.41 nm wavelengths, in 0.8 nm increments).

1G and 10G optics drive advanced fiber data rates, distances

Significantly, more than 30 of the new transceiver models are the first of L-com’s that support fiber-optic lines of up to 120 kilometers at both Gigabit Ethernet and SONET OC-48 data rates.

Additionally, the product line now features grey 1G and 10G optics for multimode and single-mode fiber deployments. This expansion of L-com’s line includes more than 100 new offerings in the SFP, SFP+ and XFP form factors.

In addition, the new models broaden 29 of the 38 OEM platforms with which L-com’s line is compatible, in addition to the standard MSA-compliant versions. As stated by the supplier, the most significant transceiver additions are to the following systems:

  • Ciena
  • Alcatel 7x50
  • Alcatel OMNI
  • Brocade/Foundry
  • Cisco
  • Cyan
  • Huawei
  • Juniper
  • MRV Systems

Paul Hospodar, product line manager for L-com, observed:

“These new products are welcome additions to L-com’s already vast line of fiber-optic transceivers. The combinations of wavelengths, distance capabilities and data rates will be particularly useful for mobile networking and long-distance transport networks in telecom, mobile back-haul buildouts and cable TV home services for cable MSOs, and datacom’s enterprise networks and hosting companies.”

The new CWDM transceivers and DWDM transceivers handle standard operating temperatures, though custom requests can be made for industrial temperature versions.

The new products are part of L-com’s full line of fiber-optic transceivers, and are currently in-stock and available for immediate shipment from the supplier.

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About the Author

Matt Vincent | Senior Editor

Matt Vincent is a B2B technology journalist, editor and content producer with over 15 years of experience, specializing in the full range of media content production and management, as well as SEO and social media engagement best practices, for both Cabling Installation & Maintenance magazine and its website He currently provides trade show, company, executive and field technology trend coverage for the ICT structured cabling, telecommunications networking, data center, IP physical security, and professional AV vertical market segments. Email: [email protected]

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