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 | Units | |
| Attenuation type | Bright or Dark | ||||
| Operating Wavelength Range | 1524 | 1564 | nm | ||
| Insertion Loss | 0.8 | 1.5 | dB | ||
| Block Attenuation | 35 | dB | |||
| Attenuation Slope @0dB~20dB | 25 | 30 | dB/V | ||
| Polarization Dependent Loss | 0dB | 0.5 | dB | ||
| 20dB | 0.8 | ||||
| Attenuation Accuracy | 0dB | 0.7 | dB | ||
| 20dB | 1.5 | dB | |||
| Wavelength Dependence of Attenuation | 0dB | 0.5 | dB | ||
| 10dB | 0.8 | dB | |||
| 20dB | 1.4 | dB | |||
| Guaranteed Attenuation Dynamic Range | 20 | dB | |||
| Resolution | 0.1 | dB | |||
| Return Loss | 40 | dB | |||
| Response Time | 5 | ms | |||
| Optical Power | 23 | dBm | |||
| Chromatic Dispersion | -0.05 | 0.05 | Ps/nm | ||
| Polarization Mode Dispersion | 0.25 | PS | |||
| ESD damage | 500 | V | |||
| Power Consumption | 1 | mW | |||
| Operating 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 | NC |
| 8 | 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 | NC |
| 10 | VeeR | Power | 模拟地 |
| 11 | VeeR | Power | 模拟地 |
| 12 | NA | NA | NC |
| 13 | NA | NA | NC |
| 14 | 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 | NC |
| 19 | NA | NA | NC |
| 20 | VeeT | Power | 数字地 |
外形尺寸
北亿纤通 | F-tone Networks
企业邮箱： sales@f-tone.com
企业手机：19081343401
企业电话：028-85255257
企业传真：028-85977702
注：本产品有全国产化型号可选
本产品为SFP系列光模块，仅展示部分参数，如有需要，请联系我们。
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.
光学性能测试
测试光纤收发模块的眼图情况、接收灵敏度、消光比、波长、发光、光接收、电流和电压，以确保信号质量、传输的稳定性和可靠性。
Traffic Testing
测试误码率和丢包率，使其符合相应标准，确保收发器的性能。
光学性能测试
测试光纤收发模块的眼图情况、接收灵敏度、消光比、波长、发光、光接收、电流和电压，以确保信号质量、传输的稳定性和可靠性。
端面测试
检查光纤收发模块的端面并保持清洁，以实现更稳定的数据传输、更好的性能和耐用性。
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