标准光模块
25Gb/s SFP28 CWDM 40km 光模块(中文版)
Description
25Gb/s SFP28 CWDM 40km 光模块(中文版)
产品描述
F-tone Networks的FTCS-C3325G-40Dxx 25Gb/s SFP28光模块由五个部分组成：LD驱动器、限幅放大器、数字诊断监视器、CWDM DFB激光器和APD光电探测器。模块数据链路长达20km，采用9/125um单模光纤。
模块光学连接为双工LC，应与SFP+28Gbps兼容，并向后兼容传统10G SFP+可插拔。SFP28 CWDM LR模块是一个双向设备，在同一物理封装中具有发射器和接收器以及控制管理接口（2线接口）。2线接口用于串行ID、数字诊断和模块控制功能。
发射器将25Gbit/s串行PECL或CML电数据转换为符合25GBASE-LR标准的串行光学数据。提供了开放集电极兼容的传输禁用（TxDis）。逻辑“1”或该引脚上没有连接将禁止激光器传输。此引脚上的逻辑“0”提供正常操作。变送器具有内部自动功率控制回路（APC），以确保在电源电压和温度变化期间输出恒定的光功率。提供了一个与集电极开路兼容的传输故障（TxFault）。TXFault是模块输出触点，当该触点为高电平时，表示模块变送器已检测到与激光操作或安全相关的故障状况。TXFault输出触点为开路漏极/集电极，应使用4.7-10 kΩ范围内的电阻器将其拉至主机中的VccHost。TXDisable是一个模块输入触点。当TX_Disable被断言为高电平或保持开路时，SFP28模块变送器输出应关闭。该触点应通过4.7 kΩ至10 kΩ的电阻器拉高至VccT
接收器将25Gbit/s的串行光学数据转换为串行PECL/CML电数据。提供了集电极开路兼容的信号损耗。RxLOS当为高时表示光信号电平低于相关标准中规定的电平。RxLOS触点为开路漏极/集电极输出，应通过4.7-10 kΩ范围内的电阻器或有源终端将其拉至主机中的VccHost。建议对发射机和接收机进行电源滤波。RxLOS信号旨在作为安装SFP28的系统的接收信号强度低于指定范围的初步指示。这种指示通常指向未安装的电缆、断裂的电缆，或电缆远端的禁用、故障或断电变送器。
产品特征
● 高达25.78Gb/s的数据链路
● CWDM DFB激光器和APD接收机
● 9/125um SMF上可达40km
● 热插拔SFP占地面积
● 支持数字监控接口
● 1级激光安全认证
● 经济高效的SFP28解决方案，实现更高的端口密度和更大的带宽
● 符合RoHS-10标准且无铅
● 单路+3.3V电源
● 用于管理规范的2线接口，符合SFF-8472用于光学光模块的数字诊断监测接口
● 全金属外壳提供卓越的EMI性能
● 外壳工作温度
商业级：0~+70℃
拓展：-10～+80℃
工业级：-40～+85℃
产品应用
● 高速存储区域网络
● 计算机集群交叉连接
● 自定义高速数据管道
● 机架间连接
产品尺寸
产品描述
|
产品型号 |
速率 (Gb/s) |
|
传输距离(km) |
温度范围 (℃) (级别) |
|
FTCS-C3325G-40D |
25.78 |
1270~1370 |
40 |
0~70 commercial |
|
FTCS-C3325G-40DE |
25.78 |
1270~1370 |
40 |
-10~80 Extended |
|
FTCS-C3325G-40DI |
25.78 |
1270~1370 |
40 |
-40~85 Industrial |
北亿纤通 | F-tone Networks
企业邮箱：sales@f-tone.com
企业网站：www.f-tone.com
企业网站：www.sfpgmk.com
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 CWDM系列光模块，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.
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