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1.25G Fiber Optic Transceiver SFP-SX 850nm 550M Cisco HP Compatible
Description
The 1G SFP SX transceiver is a high performance and cost effective small form factor pluggable SFP multimode transceiver module for 1000BASE-SX Gigabit Ethernet per IEEE802.3z and 1G Fibre Channel application. It supports dual data-rate of 1.25Gbps/1.06Gbps and 550m transmission distance with 50/125um multimode fiber.
This 1G SX multimode transceiver module fully complies with the SFP Multi-Sourcing Agreement (MSA) and can be used on MSA compliant SFP ports of optical networking equipment. The transmitter section uses an 850nm VCSEL laser that is a class 1 laser product compliant according to International Safety Standard IEC 60825. The receiver section uses a high-speed PIN photodiode integrated with a trans-impedance preamplifier (TIA).
Additionally, the 1G SFP SX multimode transceiver family also provides an optional digital diagnostic interface per SFF-8472, which provides real-time monitoring of the transceiver temperature, supply voltage, laser bias current, laser average output power and received optical power. These parameters are internally calibrated by default.
Features
Data-rate of 1.25Gbps operation
850nm VCSEL laser and PIN photodetector
Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
Digital Diagnostic Monitoring: Internal Calibration or External
Calibration
500m transmission with 50/125µm MMF
300m transmission with 62.5/125µm MMF
Compatible with RoHS
+3.3V single power supply
Operating case temperature:
Standard : 0 to +70°C
Extended : -20 to +85°C
industrial : -40 to +85°C
Applications
Gigabit Ethernet
Fiber Channel
Switch to Switch interface
Switched backplane applications
Router/Server interface
Other optical transmission systems
Optical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
| Transmitter | ||||||||
| Centre Wavelength | λc | 830 | 850 | 860 | nm | |||
| Spectral Width (RMS) | ∆λ | 0.85 | nm | |||||
| Average Output Power | Pout | -9.5 | -3.5 | dBm | 1 | |||
| Extinction Ratio | ER | 9 | dB | |||||
| Optical Rise/Fall Time (20%~80%) | tr/tf | 0.26 | ns | |||||
| Data Input Swing Differential | VIN | 400 | 1800 | mV | 2 | |||
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |||
| TX Disable | Disable | 2 | Vcc | V | ||||
| Enable | 0 | 0.8 | V | |||||
| TX Fault | Fault | 2 | Vcc | V | ||||
| Normal | 0 | 0.8 | V | |||||
| Receiver | ||||||||
| Centre Wavelength | λc | 770 | 860 | nm | ||||
| Receiver Sensitivity | -18 | dBm | 3 | |||||
| Receiver Overload | 0 | dBm | 3 | |||||
| LOS De-Assert | LOSD | -18 | dBm | |||||
| LOS Assert | LOSA | -35 | dBm | |||||
| LOS Hysteresis | 1 | 4 | dB | |||||
| Data Output Swing Differential | Vout | 400 | 1800 | mV | 4 | |||
| LOS | High | 2 | Vcc | V | ||||
| Low | 0.8 | V | ||||||
Notes:
1. The optical power is launched into MMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 27-1 test pattern @1250Mbps, BER ≤1×10-12.
4. Internally AC-coupled.
Mechanical Dimensions
Similar Product Pictures
