According to a Reuters exclusive, the Trump administration is drafting a new restriction that would ban imports of new-model data-center optical transceivers made by Chinese companies. The plan has not yet been finalized, but the U.S. officials involved in the discussions want to issue it this year. In name it is a blanket restriction; in practice the blade is aimed chiefly at Chinese firms — the FCC may first declare a ban on imports of all new-model optical transceivers, and then grant exemptions to a long list of non-Chinese suppliers.
What Optical Transceivers Are, and Why Act Now
Optical transceivers are the critical components for fiber-optic communication inside data centers — they convert signals back and forth between electrical and optical form, allowing data to travel between servers, switches and chips at high speed over fiber. Without them, the high-speed interconnects of large cloud-computing and artificial-intelligence data centers would simply be impossible. The justification offered by the Trump administration is security: Chinese-made equipment, it argues, could be used to steal data, implant malware, or disrupt U.S. data-center services at critical moments. The Reuters report, however, cites no specific incident that has actually occurred.
The timing was spelled out by people familiar with the discussions: U.S. officials worry that as AI data centers are built out at massive scale, once Chinese equipment enters early and becomes deeply embedded in the supply chain, removing it later would come at enormous cost. Hence the desire to block it before the market expands further — this is the classic logic of setting up a checkpoint at the gate, not tearing equipment out of the installed base.
A Blanket Restriction in Name, a Precision Strike in Practice
The measure is being drafted by the U.S. Federal Communications Commission (FCC). Its target is not "Chinese data-center equipment" broadly, but new-model optical transceivers used in data-center fiber-optic networks. People familiar with the matter say the FCC may first announce a ban on imports of all new-model optical transceivers, and then grant exemptions to a long list of non-Chinese suppliers — a blanket restriction in name, with the blade still aimed chiefly at Chinese firms.
This is not the FCC's first use of this play. Through its so-called "Covered List," the agency has already imposed similar restrictions on Chinese drones, routers, robots and inverters, and now it is preparing to extend the blockade further into the AI data-center supply chain. Notably, the U.S. Commerce Department shelved a batch of import restrictions on Chinese technology products just this February — including restrictions on Chinese data-center equipment; the fact that the FCC is now stepping in again shows that Washington has not abandoned the restrictions but merely switched regulators to keep pushing them forward.
The Chinese Embassy in Washington responded that the United States should stop smearing Chinese companies and threatening sanctions; if the U.S. measures cause substantive harm to China's interests, China will take all necessary measures in response.
The irony of the whole affair is this: on one hand the United States loudly proclaims that it must win the artificial-intelligence race; on the other it is preparing to cut off products from one of the world's largest suppliers of optical modules — and then expects domestic production capacity to materialize out of thin air. The security slogans are shouted at full volume, but the added costs will most likely be paid by U.S. cloud-service providers and AI data centers themselves. The move forms a two-way echo with "China tightens scrutiny of indium exports" — what China is squeezing is indium phosphide (the substrate material for optical chips), while what the United States is squeezing is optical transceivers (the finished equipment); the two sides are setting up checkpoints against each other on the very same chain of AI computing infrastructure.
Reuters exclusive (via Shen Yi, 2026-08-04): the Trump administration is drafting a new restriction banning imports of new-model Chinese data-center optical transceivers; drafted by the FCC, targeting new models rather than all equipment; the stated rationale is that Chinese equipment may be used for data theft, malware implantation, or service disruption (no specific cases cited); officials worry that once the equipment is deeply embedded in the supply chain the cost of removal will be high, and want to block it before the market expands; may first ban all new models and then grant exemptions to non-Chinese suppliers; the Commerce Department shelved similar restrictions in February, and the FCC is switching agencies to keep the push going; Chinese drones / routers / robots / inverters have already been restricted through the Covered List; the Chinese Embassy in the U.S.: stop the smears — China will respond with all necessary measures.