20KM 1.25G/s Single mode LC Connector Gigabit SFP Module SM TX1310nm
PRODUCT DESCRIPTION
This module is designed to be compliant with SFF-8472 SFP Multi-source Agreement (MSA)
An optical module, also called fiber optic transceiver or optical transceiver, is a typically hot-pluggable device used in high-bandwidth data communications applications. Transceiver modules typically have an electrical interface on the side that connects to the inside of the system and an optical interface on the other side that connects to the various devices through a fiber optic cable. An optical module functions as a photoelectric converter which converts the electrical signal into light and vice versa.
1.25Gb/S SFP Duplex Optical Transceiver Module Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the FP laser and the PIN photo-detector .The module data link up to 20KM in 9/125um single mode fiber.
The transmitter section uses a multiple quantum well laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The receiver section uses an integrated InGaAs detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC.
PRODUCT FEATURES
Dual LC Connector Interface
Hot Pluggable,Metal enclosure, for Lower EMI
DDM function optional
Distance up to 20KM
Single 3. 3V Power supply
Operating data rate up to 1.25/1.063Gbps
Tx1310, 1310nm FP Laser, PIN-TIA
Operating Case Temperature: Commerical:0 to 70 °C Industrial:-40 to 85 °C
Compliant with MSA SFP Specification
Digital Diagnostic Monitor Function Compatible with SFF-8472
2 years warranty
Optical and Electrical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Transmitter |
| Centre Wavelength | λc | 1260 | 1310 | 1360 | nm | |
| Spectral Width (RMS) | ∆λ | | | 4 | nm | |
| Average Output Power | Pout | -9 | | -3 | 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 | |
| Receiver |
| Receiver Sensitivity | | | | -24 | dBm | 3 |
| Receiver Overload | | -3 | | | dBm | 3 |
| LOS De-Assert | LOSD | | | -28 | dBm | |
| LOS Assert | LOSA | -35 | | | dBm | |
| LOS Hysteresis | | 0.5 | | 6 | dB | |
| Data Output Swing Differential | Vout | 400 | | 1800 | mV | 4 |
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Notes:
1. The optical power is launched into SMF.
2. Measured with a PRBS 27-1 test pattern @1250Mbps, BER ≤1×10-12.
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SFP 1.25 G 1310nm 20km Single Mode LC Connector Module 2 Years Warranty Images
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