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DFB SMF SFP Optical Transceiver Module High Performance Dual Data Rate
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Brand Name:E-link China
Model Number:LNK-SFP-2.5G-40
Certification:CE, RoHS, FCC
Payment Terms:T/T, Western Union, MoneyGram, Paypal
Supply Ability:1000000000pcs/Month
Delivery Time:3-5 working days
Price:Negotiation
Company Data
Verified Supplier
Contact Person
Michael Guo
Business Type:
Manufacturer
Officials:
5F, Building D South, Jinshenghui Science Park, No. 3, Dafu Road, Fucheng Street, Guanlan, Longhua District, Shenzhen, China
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
2.5G SFP Dual Fiber 1550nm DFB Up to 40km on SMF SFP Optical Transceiver Module
Features
- Up to 2.5Gb/s data links
- 1310nm DFB laser transmitter and APD photo-detector
- Up to 40km on 9/125μm SMF
- Hot-pluggable SFP footprint
- Duplex LC/UPC type pluggable optical interface
- Metal enclosure, for lower EMI
- RoHS compliant and lead-free
- Support Digital Diagnostic Monitoring interface
- Single +3.3V power supply
- Compliant with SFF-8472
- Operating case temperature:
Commercial : 0 to +70°C
Industrial : -40 to +85°C
Applications
- Switch to Switch Interface
- Gigabit Ethernet
- Switched Backplane Applications
- Router/Server Interface
- Other Optical Links
Description
The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 2.5Gbps and 40km transmission distance with SMF.
The transceiver consists of three sections: a DFB laser transmitter, a APD photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For
further information, please refer to SFP MSA.
Absolute Maximum Ratings
Table 1 - Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
| Supply Voltage | Vcc | -0.5 | 4.5 | V |
| Storage Temperature | Ts | -40 | +85 | °C |
| Operating Humidity | - | 5 | 85 | % |
Recommended Operating Conditions
Table 2 - Recommended Operating Conditions
| Parameter | Symbol | Min | Typical | Max | Unit | |
| Operating Case Temperature | Standard | Tc | 0 | +70 | °C | |
| Industrial | -40 | +85 | °C | |||
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | |
| Power Supply Current | Icc | 300 | mA | |||
| Data Rate | 2.5 | Gbps | ||||
Optical and Electrical Characteristics
Table 3 - Optical and Electrical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
| Transmitter | ||||||||
| Centre Wavelength | λc | 1280 | 1310 | 1340 | nm | |||
| Spectral Width (-20dB) | ∆λ | 1 | nm | |||||
| Side Mode Suppression Ratio | SMSR | 30 | dB | |||||
| Average Output Power | Pout | -2 | +3 | dBm | 1 | |||
| Extinction Ratio | ER | 9 | dB | |||||
| Optical Rise/Fall Time | tr/tf | 0.16 | ns | |||||
| Data Input Swing Differential | VIN | 400 | 1800 | mV | 2 | |||
| 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 | ||||||||
| Centre Wavelength | λc | 1260 | 1580 | nm | ||||
| Receiver Sensitivity | -28 | dBm | 3 | |||||
| Receiver Overload | -9 | dBm | 3 | |||||
| LOS De-Assert | LOSD | -30 | dBm | |||||
| LOS Assert | LOSA | -40 | dBm | |||||
| LOS Hysteresis | 1 | 4 | dB | |||||
| Data Output Swing Differential | Vout | 370 | 1800 | mV | 4 | |||
| LOS | High | 2.0 | Vcc | V | ||||
| Low | 0.8 | V | ||||||
Notes:
1. The optical power is launched into SMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 27-1 test pattern @2500Mbps, BER ≤1×10-12
4. Internally AC-coupled.
Timing and Electrical
Table 4 - Timing and Electrical
| Parameter | Symbol | Min | Typical | Max | Unit |
| Tx Disable Negate Time | t_on | 1 | ms | ||
| Tx Disable Assert Time | t_off | 10 | µs | ||
| Time To Initialize, including Reset of Tx Fault | t_init | 300 | ms | ||
| Tx Fault Assert Time | t_fault | 100 | µs | ||
| Tx Disable To Reset | t_reset | 10 | µs | ||
| LOS Assert Time | t_loss_on | 100 | µs | ||
| LOS De-assert Time | t_loss_off | 100 | µs | ||
| Serial ID Clock Rate | f_serial_clock | 400 | KHz | ||
| MOD_DEF (0:2)-High | VH | 2 | Vcc | V | |
| MOD_DEF (0:2)-Low | VL | 0.8 | V |
Diagnostics
Table 5 – Diagnostics Specification
| Parameter | Range | Unit | Accuracy | Calibration |
| Temperature | 0 to +70 | °C | ±3°C | Internal / External |
| -40 to +85 | ||||
| Voltage | 3.0 to 3.6 | V | ±3% | Internal / External |
| Bias Current | 0 to 100 | mA | ±10% | Internal / External |
| TX Power | -2 to +3 | dBm | ±3dB | Internal / External |
| RX Power | -30 to -9 | dBm | ±3dB | Internal / External |
Company Profile
E-link China Technology Co., Ltd.
Established in 2001& headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading Fiber Optic Communication and CCTV Security Transmission product manufacturer in China. Our main products include active equipments including fiber media converters, CCTV fiber converters, CCTV over Ethernet Converters (HD-SDI over Ethernet, HDMI over Ethernet, Power over Ethernet), etc. With rich experience in providing high quality products in telecom and CCTV business, E-link has a large manufacturing base in Shenzhen, able to deliver cost-effective solutions to serve our customers successfully.
E-Link Quality:
• ISO9001 Quality System
• Full-Spectrum environment and electrical testing of all product design
• 48 hours aging test before delivery
• Qualified CE, RoHS, FCC
Since the launch of our products on the domestic market and international market, we have won a good reputation for our high quality products and sincere services. Our products are widely applied to network systems of Telecom, Radio and Television, Public Security, Bank ,ect. To be in line with different needs of different customers, we have people to trace the latest market information so as to keep our products competitive and vital.
Our knowledgeable sales, technical support and engineering staff are dedicated to understanding your requirements and designing products & solutions to meet your needs. We shall be pleased to provide you fiber optical network products with our best price, superior quality and fast delivery.
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