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13 Years of Expertly Engineered Cable Solutions By FARSINCE.

1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(1)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(2)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(3)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(4)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(5)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(1)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(2)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(3)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(4)
1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver(5)

1.25G SFP 1000BASE‑LX/LH 1310 nm 20 km LC DOM Transceiver

1310 nm single‑mode SFP for 1.25GbE links up to 20 km over duplex LC.
5.0
Model No.:
FS20B01
Brand:
Farsince / OEM
MOQ:
Negotiable
Trade Term:
EXW / FOB Ningbo
Lead time:
2–4 weeks
Customization:
Supported
Sample:
Available
Warranty:
1 Year
design customization

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    Description

    Farsince 1000BASE‑LX/LH SFP is a hot‑pluggable optical transceiver for Gigabit Ethernet over single‑mode fiber. Housed in an SFP MSA form factor, it integrates a 1310 nm FP laser transmitter and PIN receiver with a duplex LC/UPC interface and digital diagnostics (DOM). The module supports 1.25 Gb/s line rate and delivers reach up to 20 km on G.652 SMF, making it a practical choice for access uplinks, campus interconnects, enterprise metro edge, and media‑converter applications where stable optics and low power are required.


    Engineered for straightforward deployment, the unit offers real‑time monitoring via SFF‑8472 and consistent performance across the 0–70°C commercial range. Standards‑based design ensures broad interoperability with SFP ports on switches, routers and network appliances compliant with IEEE 802.3z. Farsince provides platform coding for major OEMs, project labeling and acceptance testing, and can supply matched patch cords and accessories to simplify rollouts and ongoing maintenance.



    Specifications

    • Product Type: 1000BASE‑LX/LH SFP optical transceiver
    • Form Factor: SFP, hot‑pluggable
    • Data Rate: 1.25 Gb/s nominal
    • Wavelength: 1310 nm
    • Reach: Up to 20 km on G.652 single‑mode fiber
    • Connector: Duplex LC/UPC
    • Fiber Type: Single‑mode (SMF)
    • Transmitter/Receiver: 1310 nm FP laser / PIN photodiode
    • Digital Diagnostics: DOM/DDM per SFF‑8472
    • Host Interface: SFP MSA compliant, 3.3 V
    • Operating Temperature: 0–70°C (commercial)
    • Application: Switch/router uplinks, campus links, media converters
    • Compatibility: IEEE 802.3z 1000BASE‑LX; SFP MSA
    • Installation: Hot‑swap; clean LC endfaces; observe bend radius
    • Compliance: RoHS, REACH
    • Customization: Vendor coding, labeling, test reports on request
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