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CWDM Plug-in Module is a WDM technology based on TFF(Thin film filter). custom or specially designed products with a selection of wavelengths and link structures up to 16 channels. It allows multiple optical signals to be multiplexed onto a single fiber for combination and transmission, or to decompose the signal in the fiber into signals of different wavelengths using demultiplexing at the receiving end. Because of its wide wavelength and low requirements for system equipment, CWDM has occupied an important position in the access layer of MAN.
| Item(Unit) | Parameter | |||
| Number of Channels(CH) | 4 | 8 | 12 | 16 |
| Working Wavelength(nm) | 1260~1620 | |||
| Transmission Band(nm) | ±6.5/±7.0/±7.5 | |||
| Insertion Loss(dB) | ≤1.5 | ≤2.5 | ≤2.5(with skip) | ≤3.5(with skip) |
| Isolation(dB) | Adjacent | ≥30 | ||
| Non-adjacent | ≥45 | |||
| Return Loss(dB) | ≥45 | |||
| Directivity(dB) | ≥50 | |||
| Transmission Ripple(dB) | ≤0.5 | |||
| Package Size(mm) | L130xW100xH25/L130xW100xH50 | |||
| Working Temperature(℃) | -40 ~ +85 | |||
| Connector Type | LC/PC or SC/PC or Custom |
