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QuickTreX® 1.25 Gigabit Singlemode LC Duplex SFP Fiber Optic Transceiver - Hot Pluggable and Cisco Compatible - 20 km Meters at 1310 nm

SKU:QT-SM-SFP-1.25G-20KM

5.0/5 (20 Reviews)
$28.75
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50 Unit(s) available, (100 on the way)
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estimated lead time
Estimated Lead Time
Typically Ships Within 24 Business Hours
(Cut off time is 2 PM EST)
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expected receive dates
Receive Between
June 5-12, 2026
RoHs Compliant
ISO 9001
CE Mark
Quality Control
Third Party Lab Tested
FCC Compliant

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This QuickTreX® small form-factor pluggable (SFP) fiber optic transceiver supports ethernet transmission over 1.25 Gigabit singlemode fiber optic cable 20 kilometers at 1310nm. It adheres to the IEEE 802.3z standards for 1.25 Gigabit singlemode Ethernet fiber connectivity, and is cost-effective in providing changeable Gigabit Ethernet fiber optic interfaces to switches and media converters equipped with a standard SFP port.

Features & Specifications: 

  • Hot Pluggable
  • Transmission Rate: 1.25G
  • Accepts a Singlemode Duplex LC Connector or 2 Simplex Connectors 
  • 1310nm VCSEL Laser and PIN Photodetector
  • Up to 20 km Transmission @ 1310nm
  • +3.3V Single Power Supply 
  • Low EMI and Excellent ESD Protection
  • Laser Safety Standard IEC-60825 Compliant 
  • Operating Temps: 0 to +70°C
  • Silver with Blue Clip
  • Compatible with RoHS

Application: 

  • Router / Server interface
  • Distributed Multi-processing
  • Switch to Switch Interface

 

Availability: Usually ships within 24 hours.

Urgent Orders: Read Information

Resources

PDF Document
General: QT-SM-SFP-GB-20KM Specifications
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Product Reviews (20)

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ProductSections

05/12/2025 11:28:25 PM

Awesome price fast service and everything arrives in perfect condition and worked perfectly

MK
M Kramer

02/06/2025 10:28:00 PM

LANshack's customer service and tech support is great! Easy to work with and the products were delivered on time!

G
Guest

01/02/2025 07:14:00 AM

Great product and service

C
customer

08/26/2024 10:39:00 PM

Easy to work with and shipment came exactly as ordered.

ES
Eric S.

08/04/2024 03:32:00 PM

Item was what I ordered, came well packed.

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