Select country and language for country-specific content.
United States United States
United States United States
Select country

LevelOne SFP-3111 Transceiver

Art-Nr.: 90544467
, Manufacturer's no.: 551079
In the product range since: February 2014

Shortcut to the most important info:

incl. VAT
Available at short notice
3-5 days delivery time
plus Shipping


LevelOne SFP-3111 is a high performance and cost-effective multi-mode SFP transceiver. Intended for use with Gigabit Ethernet, it provides up to 1.25 Gbps bi-directional data transfer rate on a single duplex fiber core. For use with 50 and 62.5 micron fiber cables, it can reach a distance of up to 2km. The SFP-3111 transceiver operates using a wavelength of 1310nm with a FP LD Laser Diode light source and has a LC connector.

1.25G MMF SFP Transceiver, 2km, 1310nm

  • 1310nm FP LD
  • Data Rate: 1.25Gbps, NRZ
  • Single +3.3V Power Supply
  • RoHS Compliant and Lead-free
  • AC/AC Differential Electrical Interface
  • Compliant with Multi-Source Agreement (MSA)
  • Small Form Factor Pluggable (SFP)
  • Duplex LC Connector
  • Compliance with specifications for IEEE-802.3z Gigabit Ethernet at 1.25Gbps
  • Compliance with ANSI specifications for Fiber Channel applications at 1.06bps
  • No configuration or installation software required
  • Eye Safety Designed to meet LASER Class 1 comply with EN60825-1

System Specifications

Connectors and Cabling:

  • Duplex LC Connector, Multimode fiber(MMF)


  • 1310nm FP Laser Diode

Transmit Power:

  • -9.5 ~ +1 dBm

Power Budget:

  • 13.5 dB


  • Supply Voltage: 3.3V
  • Max Voltage/Current: 6V/300mA

Standards & Protocols:

  • IEEE 802.3z Gigabit Ethernet
  • SFP Multi-Sourcing Agreement(MSA)

Receive Sensitivity(dBm):

  • -23 dBm



  • Hot-swappable


Data Transfer Rate:

  • 1.25 Gbps Bi-directional data link

Operating Distance:

  • up to 2km (62.5/125μm)
  • Fiber channel up to 1.06Gbps


Temperature (°C):

  • Operating: 0°C ~ 70°C
  • Storage: -40 ~ 85°C

Humidity (Non-condensing):

  • 5 ~ 95%

Physical Specifications

Dimensions (W x D x H mm):

  • 13.7 x 56.5 x 8.95 mm

Weight (g):

  • 20g


Approval and Compliance:

  • Class 1 eye safety and comply with EN 60825-1
  • CE, FCC, RoHS

Any described warranty is supplied by the manufacturer of this article and is provided at least in germany. The full warranty information, including the coverage and requirements to claim the warranty is detailed on the manufacturers website. You can find a link to this site on our brand overview. You can find more information about warranties in our FAQ.