Description
The F-tone Networks 200G QSFP56 SR4 (FTQ2-2H-SR4-M2-xxx) is designed for use in 200 Gigabit Ethernet links over OM3/OM4/OM5 multimode fiber. They are compliant with the QSFP MSA and with IEEE 802.3cd 200GBASE-SR4 specification. Digital diagnostics functions are available via the I2C interface as specified by CMIS V4.0. The transceiver is RoHS 2.0 compliant and lead-free per Directive 2011/65/EU.
Features
● Hot-pluggable QSFP56 form factor
● Built-in 200G PAM4 DSP
● Supports 212.5Gb/s aggregate bit rates
● Supports 103.1Gb/s aggregate bit rates if requiredNote1
● Low power dissipation < 5W
● RoHS-6 compliant (lead-free)
● Single 3.3V power supply
● Maximum link length of 70m on OM3 MMF and 100m on OM4 & OM5 MMF
● Uncooled 4 channels 850nm VCSEL array
● 4 channels PIN photo detector array
● 200GAUI-4 electrical interface
● Single MPO12 receptacle
● CMIS V4.0 compliant
● Built-in digital diagnostic functionality
● Case operating temperature
Commercial: 0 ~ +70℃
Industrial: -40 ~ +85℃
Applications
● 200GBASE-SR4 200G Ethernet
● Especially design for liquid immersion environment
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
| Supply Voltage | Vcc | -0.3 | 3.6 | V |
| Input Voltage | Vin | -0.3 | Vcc+0.3 | V |
| Storage Temperature | Ts | -20 | 85 | ºC |
| Case Operating Temperature | Tc | 0 | 60 | ºC |
| Humidity (non-condensing) | Rh | 5 | 95 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typical | Max | Unit |
| Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
| Operating Case temperature | Tc | 0 | 60 | ºC | |
| Data Rate Per Lane | fd | 26.5625 | Gb/s | ||
| Humidity | Rh | 5 | 85 | % | |
| Power Dissipation | Pm | 4.1 | 4.5 | W | |
| Fiber Bend Radius | Rb | 3 | cm | ||
| Liquid immersion depth | 10 | m |
Electrical Specifications
| Parameter | Symbol | Min | Typical | Max | Unit |
| Differential Input Impedance | Zin | 90 | 100 | 110 | ohm |
| Differential Output Impedance | Zout | 90 | 100 | 110 | ohm |
| Differential Input Voltage AmplitudeNote2 | ΔVin | 300 | 900 | mVp-p | |
| Differential Output Voltage Amplitude | ΔVout | 300 | 900 | mVp-p | |
| Bit Error RateNote3 | BER | 2.4E-4 | |||
| Input Logic Level High | VIH | 2.0 | Vcc | V | |
| Input Logic Level Low | VIL | 0 | 0.8 | V | |
| Output Logic Level High | VOH | Vcc-0.5 | Vcc | V | |
| Output Logic Level Low | VOL | 0 | 0.4 | V |
Note:
Note2. Suggested < 700mVpp input differential signal for better BER performance.
Note3. Compliant with 200GBASE-SR4 electrical specification in IEEE802.3cd standard.
Optical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit |
| Transmitter | |||||
| Center Wavelength | λc | 840 | 850 | 860 | nm |
| RMS Spectral Width | ∆λ | 0.6 | nm | ||
| Average Launch Power (each lane) | Pout | -6 | 4 | dBm | |
| Optical Modulation Amplitude (each lane) | OMA | -4 | 3 | dBm | |
| Launch power in OMAouter minus TDECQ | Ptdecq | -5.9 | dBm | ||
| Transmitter and Dispersion Eye Closure (each lane) | TDEC | 4.9 | dB | ||
| Average launch power of off transmitter(each lane) | Poff | -30 | dBm | ||
| Extinction Ratio | ER | 3 | dB | ||
| Optical Return Loss Tolerance | ORLT | 12 | dB | ||
| Receiver | |||||
| Center Wavelength | λc | 840 | 850 | 860 | nm |
| Damage threshold | Rdam | 5 | dBm | ||
| Average Receive Power (each lane) | Pin | -7.9 | 4 | dBm | |
| Receiver Power (OMAouter) (each lane) | OMAout | 3 | dBm | ||
| Receiver reflectance | Pref | -12 | dB | ||
| Stressed Receiver Sensitivity (OMAouter) (each lane) | Sens | -3 | dBm | ||
| Receiver Sensitivity (OMAouter) (each lane) Note4 | Sen | -7 | dB | ||
Note:
Note4. Measured with conformance test signal at TP3 for the BER specified in section 138.1.1 of IEEE 802.3cd.
Mechanical Dimensions
Ordering Information
| Part Number | Product Description |
| FTQ2-2H-SR4-M2-xxx | QSFP56 SR4, 212.5Gb/s, male MTP pigtail ,liquid immersion,0ºC ~ +70ºC |
| FTQ2-2H-SR4-M2-xxxI | QSFP56 SR4, 212.5Gb/s, male MTP pigtail ,liquid immersion,-40ºC ~ +85ºC |
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
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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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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