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The 1.25Gbps SFP Optical Transceiver (CT-SFP-LX) is an advanced networking module designed for mid-range optical communication over single-mode fiber (SMF) up to 20 kilometers. It features an SFP package with an LC connector and incorporates a 1310nm FP laser and PIN photo detector to ensure high-quality signal transmission. The transceiver supports a data rate of 1.25Gbps, making it ideal for Ethernet, telecom, and Fiber Channel applications. Its compatibility with LVPECL data input/output interfaces ensures seamless integration with host systems, while compliance with IEC-60825 laser safety standards and RoHS regulations guarantees safety and environmental sustainability.
The transceiver is engineered for reliability in various operating conditions, supporting supply voltages between 3.15V and 3.45V and operating temperatures from 0°C to +70°C for commercial use, and -40°C to +85°C for industrial applications. Its maximum power dissipation is capped at 1W, ensuring energy-efficient operation. With excellent protection against electromagnetic interference (EMI) and electrostatic discharge (ESD), the module is built for demanding network environments.
In terms of optical performance, the transmitter operates at a center wavelength of 1310nm, with an average output power ranging from -8dBm to -3dBm. The extinction ratio of 9dB to 15dB ensures effective signal clarity. The receiver section accommodates wavelengths between 1260nm and 1620nm, with a sensitivity of -24dBm and an overload threshold of -3dBm. The transceiver is compliant with IEEE 802.3z and ANSI Fiber Channel standards, ensuring compatibility and high signal integrity for various network protocols.
Electrically, the transceiver features a differential impedance of 100Ω and supports input swing differentials from 500mV to 2400mV. The receiver delivers an output swing range of 370mV to 2000mV. Control features such as TX Disable, TX Fault, and Loss of Signal (LOS) detection allow for precise operational management and fault monitoring.
Overall, the CT-SFP-LX transceiver is a high-performance, energy-efficient solution for mid-range networking applications. Its robust design and compliance with international standards make it a dependable choice for modern networking infrastructures.
The CT-SFP-LX is a reliable and cost-effective hot-pluggable SFP module designed for 1.25 Gb/s optical links over single-mode fiber up to 20 km. It integrates a 1310 nm FP laser transmitter with a PIN photodiode receiver, providing stable short-to-medium reach connectivity. Operating with a single +3.3 V power supply and <1 W power consumption, the module supports LVPECL-compatible differential I/O, EEPROM diagnostics, and strong EMI/ESD protection. Fully compliant with IEEE 802.3z Gigabit Ethernet, ANSI Fibre Channel, IEC-60825 Class 1 laser safety, and RoHS, it is available in commercial and industrial temperature grades.
| Parameter | Value |
|---|---|
| Form factor / Connector | SFP, LC duplex |
| Data rate | 1.25 Gb/s |
| Tx wavelength | 1310 nm, FP laser |
| Rx wavelength | 1260–1620 nm |
| Fiber type / Reach | SMF, up to 20 km |
| Tx output power | –8 to –3 dBm |
| Extinction ratio | 9–15 dB |
| Rx sensitivity | ≤ –24 dBm (PIN) |
| Rx overload | –3 dBm |
| LOS threshold | Assert –36 dBm, Deassert –24 dBm |
| Power consumption | ≤ 1 W |
| Supply voltage | 3.15–3.45 V (nom. 3.3 V) |
| Electrical interface | LVPECL-compatible differential I/O |
| EEPROM | Serial ID (A0h), diagnostics (SFF-8472) |
| Category | Range |
|---|---|
| Operating case temperature (Commercial) | 0 to +70 °C |
| Operating case temperature (Industrial) | –40 to +85 °C |
| Storage temperature | –40 to +85 °C |
| Relative humidity | 5% – 95% (non-condensing) |
At Carritech, we pride ourselves on our exceptional service and commitment to meeting our customers’ needs. Our extensive range of SFP transceivers is designed to cater to various requirements, ensuring that you receive the best solutions for your projects. We understand the importance of timely delivery, and our efficient processes are geared towards providing you with the products you need as quickly as possible. Our dedicated team works tirelessly to ensure that your orders are processed and dispatched promptly, so you can rely on us for swift and reliable service.
We recognise that every project is unique, and our flexible approach allows us to adapt to your specific needs. Whether you require immediate delivery or have more complex requirements, we are here to support you every step of the way. Our commitment to customer satisfaction means that we go above and beyond to ensure that you receive your SFP transceivers in a timely manner, without compromising on quality. Trust Carritech to deliver the solutions you need, when you need them.
At Carritech Optics, we stand by the quality and reliability of our optical transceivers. That’s why we proudly offer a lifetime warranty on all products as a testament to our commitment to excellence and customer satisfaction.
Our lifetime warranty provides comprehensive coverage for the entire lifecycle of your optical transceivers, ensuring you experience complete peace of mind when choosing Carritech Optics. The warranty covers:
Should you ever need to make a warranty claim, our team is here to assist you. Simply contact our support team with your product details, and we’ll guide you through a quick and hassle-free process to resolve the issue.
Carritech Optics is dedicated to providing high-quality optical solutions that you can trust for the long haul. With our lifetime warranty, you can confidently invest in our products, knowing that we’re with you every step of the way.
At Carritech Optics, every product we supply undergoes a meticulous testing process designed to guarantee exceptional quality, reliability, and consistency. Our manufacturer operates within a professional laboratory environment, where advanced testing equipment and industry-standard procedures are used to carefully evaluate each item.
Carritech’s Opticode is an advanced transceiver programming solution that gives you complete flexibility across your optical network. Designed to ensure seamless compatibility with a wide range of OEM systems, Opticode allows you to quickly reconfigure transceivers to meet your specific requirements. The result is greater control, reduced costs, and a more adaptable, future-proof infrastructure.
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