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AFTER SALE SERVICESTechnical Support & Maintenance
What technical support do you provide after purchase?
Our 24/7 global technical team offers remote diagnostics, firmware updates, and live troubleshooting via email/chat. All PON devices include a dedicated engineerin
SHIPPING COST
What shipping methods do you offer?
We provide sea freight, air freight, international express (DHL/FedEx), and dedicated logistics routes, with special packaging requirements for vibration/ moisture-sensitive passive optical communication devices.
ORDER PAYMENT
Payment methods and security
What payment methods do you accept?
We support credit/debit cards (Visa, Mastercard, AMEX), bank transfers, PayPal, and cryptocurrency, with seamless integration for recurring billing in subscription models .
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DEJU's Commitment to Meeting Network Demands: Fiber Innovations for Next-generation Data CentersDEJU's Commitment to Meeting Network Demands: Fiber Innovations for Next-generation Data Centers
As network speeds advance from 10G and 40G to 100G, 400G, and beyond, the cabling requirements for data centers are undergoing a seismic transformation.
Exploring Multimode Fiber Distance Limits in Data Centersiber optic cabling is essential for high-speed, reliable connectivity in modern data centers. Multimode fiber is widely used among the different fiber types, and understanding its distance limits is crucial for optimizing network performance and ensu
Simplex vs Duplex Fiber Optic CablesOptical fiber cable, or optical cord, is a basic and necessary component in fiber optic network. There are many kinds of
optical cables, such as single mode fiber optic cable, multimode fiber optic cable, simplex fiber optic cable, duplex fiber opti
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