Detail produk:
Syarat-syarat pembayaran & pengiriman:
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Data Rate: | 2.5G | Connector: | LC |
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Distance: | 40KM | Wavelength: | 1550nm |
Power: | 3.3V | Warranty: | 2 years |
Cahaya Tinggi: | cisco compatible sfp modules,fiber optic transceiver module |
2.5G SFP Dual Fiber 1550nm DFB Up to 40km on SMF SFP Optical Transceiver Module
Features
Commercial : 0 to +70°C
Industrial : -40 to +85°C
Applications
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 |
Kontak Person: Mr. Michael Guo
Faks: 86-755-8312-8674
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