🛠️ OptiLink-style 1550 nm Filter Node – Expected Features
🔧 Device Overview
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Model Name: OptiLink 1550 nm Filter Node (passive band-pass filter)
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Type: Optical filter node intended for FTTH, CATV/PON networks
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Housing: Yellow plastic enclosure, with 1550 nm labeling (matching your image)
📡 Optical Specs
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Pass-band: Centered at 1550 nm
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Insertion Loss: Typically ~0.8–1.0 dB
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Return Loss: ≥ 45–50 dB
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Isolation: ≥ 25–40 dB suppressing non‑1550 nm bands (e.g., 1310 nm) optilinknetwork.com+10of-link.com+10ecomtelco.com+10dial4trade.com+4fullwell.com.cn+4amazon.in+4amazon.insoftel-optic.en.made-in-china.com
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Polarization-Dependent Loss (PDL): ≤ 0.1–0.2 dB
🔌 Connectors & Fiber
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Optical Connector: Likely FC/APC or SC/APC
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Fiber Type: Single‑mode SMF‑28e (≤ 0.9 mm jacket)
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Cable Length: Field-provided (bare fiber) or short pigtail (typically 0.5–1 m)
🌡️ Environmental & Power
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Passive Device: No external power required
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Operating Temp: –5 °C to +70 °C; Storage: –40 °C to +85 °C daytai.en.made-in-china.com+4of-link.com+4of-link.com+4daytai.en.made-in-china.com
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Power Handling: Up to ~300 mW CW, with higher variants supporting 1+ W