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粗波分復(fù)用器(CWDM)是一種面向城域網(wǎng)接入層的低成本W(wǎng)DM 傳輸技術(shù)。從原理上講,CWDM 就是利用光復(fù)用器將不同波長的光信號復(fù)用至單根光纖進(jìn)行傳輸,在鏈路的接收端,借助光解復(fù)用器將光纖中的混合信號分解為不同波長的信號,連接到相應(yīng)的接收設(shè)備。采用薄膜濾光片技術(shù),具有高隔離度、高可靠性的特點。
產(chǎn)品應(yīng)用
● 粗波分復(fù)用系統(tǒng)
● 城域網(wǎng)和接入網(wǎng)
● CATV 網(wǎng)絡(luò)
產(chǎn)品特點
● 低插損,高隔離度
● 優(yōu)異的熱穩(wěn)定性
● 符合Telcordia 標(biāo)準(zhǔn)
● 符合RoHS 標(biāo)準(zhǔn)
規(guī)格參數(shù)
參數(shù) |
指標(biāo) | ||||
---|---|---|---|---|---|
中心波長(nm) | 1271 ~ 1611 | ||||
通道通帶(nm) | ±7.0 | ||||
通帶@3dB(nm) | ≥15 | ||||
中心波長精度(nm) | ≤±1.0 | ||||
通道間隔( nm) | 20 | ||||
插入損耗 (dB) | 4CH | 6CH | 8CH | 12CH | 16CH |
≤1.4 | ≤1.8 | ≤2.2 | ≤3.0 | ≤4.0 | |
通帶平坦度 (dB) | ≤0.5 | ||||
相鄰隔離度 (dB) | ≥30 | ||||
非相鄰隔離度 (dB) | ≥40 | ||||
偏振相關(guān)損耗 (dB) | ≤0.2 | ||||
偏振膜色散 (PS) | ≥0.15 | ||||
波長熱穩(wěn)定性(nm/℃) | ≥0.002 | ||||
溫度相關(guān)損耗(dB/℃) | ≤0.007 | ||||
回波損耗 (dB) | ≥45 | ||||
方向性 (dB) | ≥50 | ||||
工作溫度 (℃) | -10 ~ +70 | ||||
工作濕度 (%RH) | 5 ~ 90 | ||||
存儲溫度 (℃) | -40 ~ +85 | ||||
存儲濕度 (%RH) | 0 ~ 95 | ||||
封裝尺寸 (mm) | 定制 | ||||
光纖類型 | G657.A1 | ||||
連接器類型 | LC/UPC |
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.