SFP-VOA是什么模块？北亿纤通深度解析

产品描述北亿纤通设计、制造的小型化SFP VOA模块 基于ESVOA和I2C控制技术。产品封装完全符合SFP标准。通过I2C控制具有较高的衰减精度光学性能优良可靠性高易于系统集成等优点。产品特征● SFP packaging form● I2C control● Hot pluggable● Low PDL、WDL● Low power consumption产品应用● Gain control in erbium doped fiber amplifiers● Channel on-off blocking● Network power management in multi-stage and multi-channel optical amplified network● Receiver Protection产品规格Parameters Min Typical Max UnitsAttenuation type Bright or DarkOperating Wavelength Range 1524 1564 nmInsertion Loss 0.8 1.5 dBBlock Attenuation 35 dBAttenuation Slope 0dB~20dB 25 30 dB/VPolarization Dependent Loss 0dB 0.5 dB20dB 0.8Attenuation Accuracy 0dB 0.7 dB20dB 1.5 dBWavelength Dependence of Attenuation 0dB 0.5 dB10dB 0.8 dB20dB 1.4 dBGuaranteed Attenuation Dynamic Range 20 dBResolution 0.1 dBReturn Loss 40 dBResponse Time 5 msOptical Power 23 dBmChromatic Dispersion -0.05 0.05 Ps/nmPolarization Mode Dispersion 0.25 PSESD damage 500 VPower Consumption 1 mWOperating Temperature Range -5 70 ℃Storage Temperature Range -40 85 ℃Package Dimension SFP电接口定义SFP VOA模块的封装与SFP光模块相兼容电气接口为金手指其定义如下管脚序号 名称 I/O 功能1 VeeT Power 数字地2 TX Fault (Module Fault) 输出 指示模块内部故障状态高电平表示发生故障低电平表示模块正常。3 TX Disable(Module Disables) 输入 设置 VOA 为掉电状态。4 SDA IO IIC通信接口的SDA信号5 SCL 输入 IIC通信接口的SCL信号6 Present GND 模块在位信号模块内直接短接到地7 NA NA NC8 LOS 输出输出输出 低功率告警信号高电平告警低电平正常9 VeeR NA NC10 VeeR Power 模拟地11 VeeR Power 模拟地12 NA NA NC13 NA NA NC14 VeeR Power 模拟地15 VccR Power 模拟电源 3.3V ±5%,16 VccT Power 数字电源 3.3V ±5%17 VeeT Power 数字地18 NA NA NC19 NA NA NC20 VeeT Power 数字地外形尺寸