- The FCC is reportedly drafting a Covered List restriction on new Chinese-made optical transceivers, but no proposal text or formal comment schedule is public. [1] - The measure could affect Innolight, which Counterpoint Research estimates holds 27% of the global data-center transceiver market. [2] - Coherent and Lumentum are named as potential alternative suppliers, though Reuters reporting says they lack the scale to immediately replace Chinese vendors. [2] - The FCC’s June 15, 2026 Covered List did not identify optical transceivers as a standalone category.
[3] The Federal Communications Commission is drafting a restriction on imports of new Chinese-made optical transceivers, components that convert electrical signals into light and back again across fiber-optic networks in data centers, according to four people familiar with the matter cited by Reuters. Officials hope to publish the measure before the end of 2026, although the FCC could still change or abandon it. [1]
The proposal would extend the administration’s use of the FCC’s Covered List to a component used in high-bandwidth links between servers, switches and accelerator clusters. The agency had not released draft text, named a formal proceeding, identified a final product scope or announced a public comment deadline as of August 11. [1][3]
What is known about the draft #
Reuters reported that the FCC is considering a ban on new models of Chinese optical transceivers rather than an immediate prohibition on equipment already installed or previously authorized. Three sources said the agency could exempt many non-Chinese suppliers, following the approach used for recent restrictions on foreign-made routers and drones. [1]
The FCC’s June 15, 2026 Covered List did not include optical transceivers as a standalone category. It listed telecommunications equipment from Huawei and ZTE, certain surveillance equipment from Hytera, Hikvision and Dahua, Kaspersky products and services, several Chinese telecommunications carriers, foreign-produced uncrewed aircraft systems and foreign-produced routers. [3]
The likely regulatory pathway would involve adding a category to the Covered List and then applying the FCC’s equipment-authorization rules. The Secure and Trusted Communications Networks Act directs the commission to maintain the list for equipment or services determined to pose an unacceptable risk to U.S. national security or the safety of U.S. persons. FCC rules adopted in 2022 prohibit new authorizations for covered equipment. [4]
The government’s specific legal rationale for optical transceivers has not been published. Reuters sources said officials are concerned that Chinese-made components could enable data theft, malware insertion or disruption inside U.S. data centers. The reporting did not identify a product-specific vulnerability or a public technical assessment supporting those concerns. [1]
Innolight is the clearest exposure #
The most visible potential target is Zhongji Innolight, a Chinese supplier that Reuters sources described as one of the world’s largest transceiver vendors. Counterpoint Research estimates Innolight has a 27% share of the global data-center transceiver market. Innolight generates about 90% of its revenue outside China, according to a Foundation for American Innovation report cited by Reuters. [2]
A restriction could therefore affect equipment sold into international data-center supply chains rather than only systems serving Chinese customers. Innolight was added to the Pentagon’s list of alleged Chinese military companies in June, a designation that can increase scrutiny but does not itself create an FCC import ban. Innolight did not respond to Reuters’ request for comment, according to the report. [2]
The proposal would also force the FCC to define how it treats manufacturing and product origin. A transceiver can combine optical components, lasers, signal-processing electronics, firmware and final assembly from different countries. The agency has previously used detailed product-origin definitions in Covered List actions involving foreign-produced drones and routers. [3]
A potential constraint on AI buildouts #
Optical transceivers sit on the links that connect servers, switches and accelerator clusters. AI data centers depend on dense fiber networks to move training and inference traffic among large numbers of processors. A restriction would not necessarily stop construction, but supplier qualification, inventory and procurement costs could rise if operators must shift away from a large incumbent vendor. That is an inference from the reported market share and the component’s role; neither the FCC nor cloud operators have published an impact estimate. [1][2]
Reuters identified Coherent and Lumentum as U.S.-based alternatives. The report said both sell competitive technology but lack Innolight’s scale, citing the Foundation for American Innovation. AWS, Coherent and Lumentum did not respond to Reuters’ requests for comment. [2]
Replacing a transceiver supplier also requires validation for interoperability, power consumption, thermal performance and reliability. The FCC has not said whether any such qualification work would satisfy a future exemption or whether the rule would apply to products assembled outside China. [1][3]
No formal comment process yet #
The White House and FCC did not respond to Reuters’ requests for comment. China’s embassy in Washington urged the United States to stop threatening Chinese companies with sanctions and said Beijing would take necessary measures if U.S. action materially harmed Chinese interests. [1]
The FCC’s recent router action provides a possible model: foreign-produced routers were added to the Covered List on March 23, 2026, with exceptions for products receiving conditional approval from the Department of War or Department of Homeland Security. [3] But the commission has not said whether optical transceivers would receive the same treatment, whether the policy would cover every Chinese manufacturer or how existing authorizations would be handled. Until those details are published, the measure remains a reported draft, not an enforceable import ban.
[3]## Companies mentioned
Further sources #
[1] Reuters reporting, republished and summarized by Tom’s Hardware, describes the … ↗
[2] Reuters reporting identifies Innolight, its estimated 27% market share, its 90%… ↗
[[3] FCC Public Safety and Homeland Security Bureau Covered List dated June 15, 2026… ↗](https://docs.fcc.gov/public/attachments/DA-26-588A1.pdf)
[[4] Congressional Research Service explanation of the Secure Networks Act, the FCC … ↗](https://www.congress.gov/crs-product/LSB10895)
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