
Description
The F-tone Networks FTCS-8525G-02D is a single-Channel, Pluggable, Fiber-Optic SFP28 for 25.78125 Gigabit Ethernet SFP28 SR Applications. It is a high performance module for short-range data communication and interconnect applications which operate at 25.78125 Gbps up to 70 m using OM3 fiber 100 m using OM4 fiber without FEC or 300m OM4 with KR-FEC. This module is designed to operate over multimode fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 20 contact edge type connector. The optical interface uses duplex LC receptacle. This module incorporates F-tone Networks proven circuit and VCSEL technology to provide reliable long life, high performance, and consistent service.
Features
● Hot-pluggable SFP28 form factor
● Supports 25.78125Gbps data rate
● Maximum link length of 70m on OM3 MMF and 100m on OM4 MMF w/o FEC or 300m OM4 MMF with FEC
● 850nm VCSEL laser and PIN photo-detector
● Internal CDR on both Transmitter and Receiver channel
● Duplex LC receptacle
● Single 3.3V power supply
● Power dissipation < 1W
● Digital diagnostics functions are available via the I2C interface
● RoHS-6 compliant
● Commercial case temperature range: 0°C to 70°C
Applications
● 25GBASE-SR 25G Ethernet
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
| Supply Voltage | Vcc | 0 | 3.6 | V |
| Storage Temperature | Ts | -40 | +85 | °C |
| Operating Humidity | – | 5 | 85 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typical | Max | Unit |
| Operating Case Temperature | Tc | 0 | 70 | °C | |
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
| Power Supply Current | Icc | 300 | mA | ||
| Fiber Length on 50/125μm high-bandwidth (OM4) MMF | 300 | m |
Optical and Electrical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
| Transmitter | ||||||||
| Data rate | BR | 25.78125 | Gbps | |||||
| Centre Wavelength | λc | 840 | 850 | 860 | nm | |||
| Spectral Width (-20dB) | σ | 0.6 | nm | |||||
| Average Output Power | Pavg | -8.4 | 2.4 | dBm | ||||
| Optical Power OMA | POMA | -6.4 | 3 | dBm | ||||
| Extinction Ratio | ER | 2 | dB | |||||
| Differential data input swing | VIN,PP | 40 | 1000 | mV | ||||
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |||
| TX Disable | Disable | 2.0 | Vcc | V | ||||
| Enable | 0 | 0.8 | V | |||||
| TX Fault | Fault | 2.0 | Vcc | V | ||||
| Normal | 0 | 0.8 | V | |||||
| Receiver | ||||||||
| Data rate | BR | 25.78125 | Gbps | |||||
| Centre Wavelength | λc | 840 | 850 | 860 | nm | |||
| Stressed Sensitivity (OMA) | – | – | -5.2 | dBm | ||||
| Receiver Power (OMA) | 3 | dBm | ||||||
| LOS De-Assert | LOSD | -13 | dBm | |||||
| LOS Assert | LOSA | -30 | dBm | |||||
| LOS Hysteresis | 0.5 | dB | ||||||
| Differential data output swing | Vout,PP | 300 | 850 | mV | ||||
| LOS | High | 2.0 | Vcc | V | ||||
| Low | 0.8 | V | ||||||
Notes:Receive Sensitivity measured with a prbs31 pattern @25.78125Gb/s, BER 1E-12;
Mechanical Dimensions
Ordering information
| Part Number | Product Description |
| FTCS-8525G-02D | SFP28 SR, 25.78125Gb/s, 850nm, 100m, OM4 MMF w/o FEC or 300m OM4 MMF with FEC,LC |
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SFP28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.any F-tone Networks sales representative.details are available from any F-tone Networks sales representative. any F-tone Networks sales representative.s or others. Further details are available from any F-tone Networks sales representative.y 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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