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LS-CW291G-80C operates as a 1290nm CWDM SFP module that sustains 1.25Gbps data rates over a single-mode fiber reach of 80km, built around a DFB laser and a PIN photodiode. The thermal range spans 0 to +70°C, while integrated digital monitoring furnishes real-time optical parameters — bias current, temperature, voltage, and optical power — with calibrated accuracy.
| LINK-PP Onderdeel nummer | LS-CW291G-80C | Naam van de leverancier | LINK-PP |
| Form Factor | SFP | Max. Gegevenssnelheid | 1.25Gbps |
| Golflengte | 1290nm | Max. Kabelafstand | 80km |
| connector | Duplex-LC | Media | SMF |
| Zender Type | DFB | Type ontvanger | PIN |
| TX Power | -1 tot + 4dBm | RX-kracht | -26 tot -1dBm |
| receiver Gevoeligheid | -26dBm | receiver Overload | -1dBm |
| EMC (Elektromagnetische Communicatie) | ondersteunde | DOM-ondersteuning | Ja |
| Bedrijfstemperatuurbereik | 0 tot 70 ° C | protocollen | SFP MSA, SFF-8472 |
LINK-PP LS-CW291G-80C is a commercial-grade 1290nm CWDM SFP module that delivers 1Gbps data rates over single-mode fiber up to 80km. It incorporates a duplex LC optical interface, real-time digital optical monitoring (DOM), and full compliance with the SFP MSA standard. The hot-pluggable form factor enables easy installation and field replacement without system interruption.
This optical module adopts the standard hot-pluggable SFP footprint, allowing direct insertion into any SFP-compliant port. Its electrical and mechanical interfaces are fully aligned with the SFP MSA, ensuring interoperability with a wide range of host equipment.
Designed for regional long-haul backbones, this transceiver provides a 1Gbps throughput over extended network spans. Its stable data rate ensures that traffic flows smoothly across point-to-point trunks, with minimal variation in latency under normal operating conditions.
The CWDM approach multiplexes multiple wavelength channels onto a single fiber, significantly reducing the need for additional fiber strands. This technology maximizes existing infrastructure capacity, lowering both deployment costs and cable plant complexity.
The 1290nm wavelength sits within the CWDM spectrum and delivers a good combination of relatively low dispersion and manageable loss over single-mode fiber. Its adoption leverages the inherent optical properties of this band, supporting clean eye patterns and stable power budgets for the link.
The transmission distance reaches up to 80km over single-mode fiber without requiring external amplification or dispersion compensation. This reach is achieved through the DFB laser’s optical output power and the PIN receiver’s sensitivity, ensuring reliable link closure at the specified bit rate.
The duplex LC connector provides a compact, snap-in locking mechanism that ensures secure fiber mating and low insertion loss. This industry-standard interface facilitates quick patching and is compatible with most optical distribution frames and patch panels.
The DOM (Digital Optical Monitoring) function continuously tracks key operating parameters, including transmitter bias current, receiver optical power, supply voltage, and internal temperature. These real-time readings allow network administrators to proactively detect link degradation and troubleshoot faults remotely via the host management bus.
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