1-P 1000Base-SX Mini-GBIC Module (SM, SFP)


Single Mode 1G Fiber Module

The Single Mode 1G Fiber Module represents a high-performance solution for seamless data transmission in various networking environments. Engineered with advanced features, this fiber module ensures reliability and efficiency in diverse applications.

Key Features:

  1. Gigabit Ethernet Standard:
    • Compliant with the IEEE802.3z Gigabit Ethernet standard, ensuring compatibility with high-speed networking protocols.
  2. Fiber Channel Compatibility:
    • Adheres to the Fiber Channel 100-SM-LC-L standard, making it an optimal choice for Fiber Channel networks.
  3. Small Form Pluggable Design:
    • Housed in an industry-standard small form pluggable (SFP) package, allowing for easy integration and replacement.
  4. Duplex LC Connector:
    • Equipped with a Duplex LC connector, enabling reliable and efficient duplex fiber optic communication.
  5. Differential LVPECL Inputs and Outputs:
    • Utilizes Differential Low Voltage Positive Emitter-Coupled Logic (LVPECL) inputs and outputs, enhancing signal integrity.
  6. TTL Signal Detect Indicator:
    • Features a TTL signal detect indicator, providing visual feedback on signal status for quick diagnostics.
  7. Hot Pluggable:
    • Designed for hot-pluggable functionality, allowing the module to be replaced or added without interrupting the entire system.
  8. Laser Safety Compliance:
    • Class 1 laser product compliant with EN 60825-1 standards, ensuring safety while utilizing laser technology.


  1. Distributed Multi-Processing:
    • Ideal for distributed multi-processing environments where high-speed and reliable data transfer is crucial.
  2. Switch-to-Switch Interface:
    • Suitable for establishing interfaces between network switches, enabling seamless communication within the network infrastructure.
  3. High-Speed I/O for File Server:
    • Provides high-speed Input/Output (I/O) capabilities for file servers, optimizing data transfer rates and improving overall performance.
  4. Bus Extension Application:
    • Well-suited for bus extension applications, extending the reach and capabilities of existing bus systems.
  5. Channel Extender and Data Storage:
    • Specifically designed for use as a channel extender, facilitating data storage applications with reliability and efficiency.

The Single Mode 1G Fiber Module is a versatile and high-performance component, making it a valuable asset for modern networking scenarios. Whether deployed in distributed processing, interfacing between switches, or enhancing file server performance, this fiber module delivers consistent and reliable connectivity in various applications.

Tech Specs

Absolute Maximum Ratings

Storage Temperature TS -40 85 C
Supply Voltage Vcc -0.5 4.0 V
Input Voltage VIN -0.5 Vcc V
Output Current Io 50 mA
Operating Current IOP 400 mA

Recommended Operating Conditions

Case Operating Temperature TC 0 70 C
Case Operating Temperature TC -40 85 C
Supply Voltage Vcc 3.1 3.5 V
Supply Current ITX + IRX 250 mA

Transmitter Electro-optical Characteristics:

Output Optical Power Pout -9.5 -3 dBm Average
Extinction Ratio ER 9 dB
Center Wavelength λC 1270 1310 1355 nm
Spectral Width (RMS) Δλ 2.5 nm
Rise/Fall Time (20–80%) Tr, f 260 ps
Relative Intensity Noise RIN -120 dB/Hz
Total Jitter TJ 227 ps
Output Eye Compliant with IEEE802.3z
Max. Pout TX-DISABLE Asserted POFF -45 dBm
Differential Input VOFF 0.4 2.0 V

Receiver Electro-optical Characteristics:

Optical Input Power (maximum) PIN -3 dBm BER < 10⁻¹²
Optical Input Power (minimum) (Sensitivity) PIN -20 dBm BER < 10⁻¹²
Operating Center Wavelength λC 1260 1610 nm
Optical Return Loss ORL 12 dB
Signal Detect-Asserted PA -20 dBm
Signal Detect-Deasserted PD -35 dBm
Stressed Receiver Sensitivity -14.4 dBm Note 1, 2
Differential Output Voltage VDIFF 0.5 1.2 V
Data Output Rise, Fall Time (20–80%) Tr, f 0.35 ns
Receiver Loss of Signal Output Voltage-Low RX_LOSL 0 0.5 V
Receiver Loss of Signal Output Voltage-High RX_LOSH 2.4 VCC V

Note 1: Measured with conformance test signal at TP3 for BER = 10⁻¹² at the eye center.
Note 2: Measured with a transmit signal having a 9 dB extinction ratio. If another extinction ratio is used, the Stressed receiver sensitivity should be corrected for the extinction ratio penalty.