Grandstream F‑SM1310‑20KM‑1.25G SFP Fiber Module
The Grandstream F‑SM1310‑20KM‑1.25G is a hot‑pluggable 1.25 Gbps SFP single‑mode fiber module with 1310 nm wavelength, Duplex LC connector, 20 km transmission reach, Digital Diagnostic Monitoring (DDM), and low power consumption — perfect for enterprise LAN, campus, and long‑distance optical networking.
Description
Grandstream F‑SM1310‑20KM‑1.25G — 1.25 Gbps Single‑Mode Long‑Reach SFP (20 km, 1310 nm)
Key Features:
1.25 Gbps Data Rate: Supports Gigabit Ethernet with 1.25 Gbps SFP performance.
Single‑Mode Fiber Support: Designed for long‑distance optical links over SMF.
20 km Transmission: Reliable fiber connection up to 20 kilometers.
1310 nm Wavelength: Standard wavelength for single‑mode long‑reach optics.
Duplex LC Connector: Common optical interface for broad compatibility.
Hot‑Pluggable SFP: Easily installable in compatible networking devices without powering down.
Digital Diagnostic Monitoring (DDM): Real‑time monitoring of optical parameters (TX/RX power, temperature, voltage).
Low Power Consumption: Operates with ≤ 1 W for energy‑efficient networking.
Standards Compliance: Meets IEEE 802.3z, SFF‑8472, SFP MSA, RoHS‑6 for interoperability and reliability.
International Certifications: FCC, CE, FDA compliance for global deployments.
Technical Specifications:
- Form Factor: SFP (Small Form‑Factor Pluggable)
Fiber Mode: Single‑Mode Fiber (SMF)
Connector Type: Duplex LC
Nominal Wavelength: 1310 nm
Data Rate: 1.25 Gbps SFP (Gigabit Ethernet)
Maximum Distance: Up to 20 km over SMF
TX Power: –9 to –3 dBm, ±3 dB
RX Sensitivity: –18 to –1 dBm, ±3 dB
Power Consumption: ≤ 1 W
Operating Voltage: 3.3 V ± 0.3 V
DDM Support: Yes (I²C)
Operating Temperature: 0 °C to 70 °C
Humidity: 5 % to 85 % RH (non‑condensing)
Standards: IEEE 802.3z, SFF‑8472, SFP MSA, RoHS‑6
Certifications: FCC, CE, FDA
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet




