Description
The F-tone Networks 100G BIDI SR QSFP28 optical transceiver is designed for using in 100-Gigabit Ethernet links up to 70m using OM3 and 100m using OM4. It is compliant with the QSFP28 MSA, IEEE802.3cm-2020 and CAUI-4(no FEC)1. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA.
The module incorporates 2 channels 850nm/910nm VCSEL and PIN photo detector, transmitting and receiving each optically over one simplex LC fiber using bi-directional optics. This results in an aggregate bandwidth of 100Gbps into a duplex LC cable. This module can convert 4 channels of 25Gbps (NRZ) electrical input data to 2 channels of 50Gbps (PAM4) optical signal, and also can convert 2 channels of 50Gbps (PAM4) optical signal to 4 channels of 25Gbps (NRZ) electrical output data. The electrical interface uses a 38-contact edge type connector. This transceiver is a high performance module for short-range duplex data communication and interconnects applications.
Features
● QSFP28 module form factor
● Support QSFP28 SFF-8436/8636
● 2×53.125Gbps(26.5625GBd) PAM4 parallel optics architecture
● 4×25.78125Gbps NRZ retimed electrical I/O
● Bandwidth density of 100Gbps bi-directional
● 2 channels 850nm/910nm VCSEL and PIN photo detector
● Internal 4:2 Gearbox with KP4 FEC circuits on both receiver and transmitter channels
● Duplex LC connector
● Maximum link length of 100m OM4,70m OM3
● Built-in digital diagnostic functions
● Single 3.3V power supply
● Low power consumption < 4W
● RoHS compliant (lead free)
● Case operating temperature
Commercial: 0 ~ +70℃
Industrial: -40 ~ +85℃
Applications
● 100G SR BD applications
● High-speed interconnects within and between switches, routers and transport equipment
● Server-server clusters, super-computing interconnections
● Proprietary backplanes
● Interconnects rack-to-rack, shelf-to-shelf, board-to-board, board-to-optical backplane
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 | 70 | ºC |
| Humidity (non-condensing) | Rh | 5 | 85 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typical | Max | Unit |
| Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
| Operating Case temperature | Tc | 0 | – | 70 | ºC |
| Signal Rate per Electrical Channel (4 x 25G) | – | 25.78125 | – | Gbps | |
| Signal Rate per Optical Channel (2 x 50G) | – | 53.125 | – | Gbps | |
| Humidity | Rh | 5 | – | 85 | % |
| Power Dissipation | Pm | – | – | 4 | W |
| Fiber Length for OM3 | – | – | 70 | m | |
| Fiber Length for OM3 | – | – | 100 | 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 Amplitude1 | ΔVin | – | – | 1200 | mVp-p |
| Differential Output Voltage Amplitude2 | ΔVout | – | – | 1200 | mVp-p |
Note:
- Differential input voltage amplitude is measured between TxnP and TxnN.
- Differential output voltage amplitude is measured between RxnP and RxnN.
Optical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Transmitter | ||||||
| Optical Wavelength CH1 | λ1 | 844 | 850 | 863 | nm | – |
| Optical Wavelength CH2 | λ2 | 900 | 910 | 918 | nm | – |
| Average launch power | Pavg | -6.2 | – | 4 | dBm | – |
| Optical Modulation Amplitude(OMA outer) | OMA | -4.2 | – | 3 | dBm | – |
| Transmitter and dispersion eye closure(TDEC) | TDEC | – | – | 4.5 | dB | |
| Extinction Ratio | ER | 3 | – | – | dB | – |
| Average launch power of OFF transmitter | – | – | -30 | dBm | – | |
| Receiver | ||||||
| Optical Wavelength CH1 | λ1 | 844 | 850 | 863 | nm | – |
| Optical Wavelength CH2 | λ2 | 900 | 910 | 918 | nm | |
| Receiver Sensitivity in OMA outer | RXsen | – | – | (-6.6,-3.5) | dBm | 1 |
| Average receive power | Pin | -8.2 | – | 4 | dBm | – |
| Receiver Reflectance | – | – | -12 | dB | – | |
| LOS Assert | – | -11 | – | dBm | – | |
| LOS De-Assert | – | -9 | – | dBm | – | |
| LOS Hysteresis | 0.5 | – | – | dB | – | |
Note:Measured with conformance test signal at TP3 for BER = 2.4E-4 Pre-FECs
Mechanical Dimensions
Ordering Information
| Part Number | Product Description |
| FTQ2-HG-SRBD | 100G QSFP28 BIDI 850/910nm, OM3 70m, OM4 100m, VCSEL+PIN, MMF, Dual LC,0~+70℃ |
| FTQ2-HG-SRBDI | 100G QSFP28 BIDI 850/910nm, OM3 70m, OM4 100m, VCSEL+PIN, MMF, Dual LC,-40~+85℃ |
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.
resentative.urther details are available from any F-tone Networks sales representative.e Networks sales representative.tive.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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