The Exfo EM-550 and EM-551 fixed PMD emulators are essential instruments for simulating PMD effects in optical fibers. These emulators offer precise control over the introduced PMD, enabling accurate assessment of system robustness against PMD-induced signal degradation. With their stable and repeatable performance, the EM-550 and EM-551 facilitate thorough testing and optimization of optical communication systems, ensuring reliable data transmission over long distances. The emulators find applications in various fields, including telecommunications, data centers, and aerospace, where high-performance optical links are critical.

Exfo EM-550 and EM-551 – fixed-PMD emulators
The Exfo EM-550 and EM-551 are fixed polarization mode dispersion (PMD) emulators designed for testing and characterization of optical communication systems and components. These emulators provide stable and repeatable PMD impairments, allowing engineers to evaluate the performance of their systems under realistic conditions. They are valuable tools for research, development, and manufacturing of optical transceivers, fiber optic cables, and other related equipment.
Product Condition & Availability
Exfo EM-550 and EM-551 – fixed-PMD emulators is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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