Ascent’s SFP28 32GBase-SR Transceiver is intended for 100m reach service 28.05Gb/s 850nm Multi-mode high-speed communications equipment where low-cost, extraordinary performance and reliability are essential. It consumes low power, operates base on 3.3V DC power supply and is offered in the commercial temperature range via an LC duplex connector. They are compliant with SFP+ MSA, SFF-8431 and SFF-8432. High speed electrical and optical specifications are compliant with ANSI Fibre Channel FC-PI-6. Digital diagnostics functions are available via a 2-wire common management interface, to allow access to real-time operating parameters. With these features, this easy-to-install, hot-swappable transceiver is suitable for fiber communications application up to 32G. The FC transceiver is applied to Storage Area Networking in Data Centers, Data Center Fiber Channel Interconnections over Backbone, Enterprise Network SAN Interconnections, etc.
· 32GFC(28.05Gb/s) serial optical interface
· 850nm VCSEL transmitter
· GaAs PIN PD receiver
· Low power consumption<1W
· Maximum link length of 100m via OM4 multimode Fiber (MMF)
· Fibre Channel FC-PI-6 compliant
Absolute Maximum Ratings
Parameter | Symbol | Min. | Typ. | Max. | Unit |
Storage Temperature | Ts | -40 | 85 | °C | |
Relative Humidity | RH | 0 | 85 | % |
Parameter | Symbol | Min. | Typ. | Max | Unit |
Case Temperature | Tc | 0 | +70 | °C | |
Power Supply Voltage | Vcc | 3.15 | 3.30 | 3.45 | V |
Signaling Rate each Channel | BR | 28.05 | Gbps |
Optical Characteristics (T=25°C, unless noted)
Parameter | Symbol | Min. | Typ. | Max | Unit |
Transmitter | |||||
Center Wavelength | λ | 840 | 860 | nm | |
RMS Spectral Width | Pm | 0.6 | nm | ||
Average Pptical Power | Pavg | -8.4 | 2.4 | dBm | |
Optical Modulation Amplitude | OMA | -6.4 | 3 | dBm | |
Average Launch Power of OFF Transmitter | Poff | -30 | dBm | ||
Extinction Ratio | ER | 2 | dB | ||
Optical Return Loss Tolerance | 12 | dB | |||
Receiver | |||||
Center Wavelength | λ | 840 | 850 | 860 | nm |
Damage Threshold | 3.4 | dBm | |||
Receive Power Overload | 2.4 | dBm | |||
Receiver Reflectance | -12 | dB | |||
Receiver Sensitivity | SENS | -10 | dBm | ||
LOS Assert | LOSA | -30 | dBm | ||
LOS De-Assert | LOSD | -13 | dBm | ||
LOS Hysteresis | LOSH | 0.5 | dB |
Electrical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit |
Power Consumption | 1 | W | |||
Supply Current | Icc | 300 | mA |
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