• 1.25Gb/s Cisco GLC-BX40-U Compatible 1000BASE-BX-U BiDi SFP 1310nm-TX/1550nm-RX 40km DOM LC SMF Transceiver Module
  • 1.25Gb/s Cisco GLC-BX40-U Compatible 1000BASE-BX-U BiDi SFP 1310nm-TX/1550nm-RX 40km DOM LC SMF Transceiver Module

1.25Gb/s Cisco GLC-BX40-U Compatible 1000BASE-BX-U BiDi SFP 1310nm-TX/1550nm-RX 40km DOM LC SMF Transceiver Module

No.GE-BX40-SM1310

Features
  • Up to 1.25Gb/s Data Links
  • Hot-Pluggable
  • SingleLC connector
  • Up to 20km on 9/125μm SMF
  • 1310nm DFB laser transmitter
  • 1550nm PIN photo-detector
  • Single +3.3V Power Supply
  • Monitoring Interface Compliant with SFF-8472
  • Maximum Power<1W 
  • Industrial /Extended/Commercial operating temperature range: -40°C to 85°C/-5°C to 85°C/-0°C to 70°C Version available
  • RoHS compliant and Lead Free


This sfp module supports 1.25Gb/s links with BiDi 1310nm-TX/1550nm-RX optics, DOM, and LC single-mode connectivity for ethernet switch and network switch deployments.
  • 1.25Gb/s Cisco GLC-BX40-U Compatible 1000BASE-BX-U BiDi SFP 1310nm-TX/1550nm-RX 40km DOM LC SMF Transceiver Module
  • Description

  • Applications

  • Specifications

◆ Description:

Miray’s GE-BX40-SM1310 Transceivers are a high performance, cost effective module which have a single LC optics interface. They are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) and Digital diagnostics functions are available via the 2-wire serial bus specified in SFF-8472. The receiver section uses a PIN receiver and the transmitter uses a 1310 nm DFB laser, up to 21dB link budge ensure this module 1000Base-EX Ethernet 40km application.




Compact BiDi SFP for long-reach fiber links
This 1.25Gb/s Cisco GLC-BX40-U compatible transceiver is built to give network switch and ethernet switch deployments a practical way to extend gigabit links over single-mode fiber with one LC connection, helping teams simplify port usage while maintaining stable optical performance. Using a 1310nm DFB transmitter on the uplink side and a 1550nm PIN receiver on the return side, it is designed for 1000BASE-BX-U BiDi operation and supports up to 40km reach with DOM monitoring for visibility into operating status. For procurement teams, system integrators, and operators working with sfp module inventories, this format offers a reliable fit where port density, link distance, and straightforward deployment matter more than complex hardware changes.

Built for monitored performance and practical deployment
The module follows the Small Form Factor Pluggable MSA and SFF-8472 digital diagnostics requirements, giving optical transceiver manufacturers, maintenance teams, and integrators the operational data needed to track link health, power conditions, and transceiver behavior through the serial interface. It runs from a single +3.3V power supply, is hot-pluggable, and has a maximum power draw of 1W, which supports easier handling during installation and replacement in active systems. With industrial, extended, and commercial temperature versions available, it is well-suited for environments where equipment must remain dependable across a wide operating range, including factories, outdoor cabinets, and mixed infrastructure built around transceiver components from established top network switch manufacturers and related system platforms.

Application fit for industrial and enterprise fiber networks
This transceiver is a strong match for buyers sourcing parts for industrial ethernet switch manufacturers, distributors supplying fiber connectivity, and operators expanding links between cabinets, buildings, or remote nodes where a compact BiDi design reduces fiber complexity. The RoHS-compliant, lead-free construction supports procurement requirements focused on regulated, long-life installations, while the LC single-fiber architecture can help lower cabling overhead in network switch upgrades, monitoring networks, and access layer builds. Whether used alongside a poe switch in edge networks or as part of a broader optical transport plan, it provides a practical option for teams that need a stable, cost-effective transceiver for 1000BASE-BX-U connectivity over single-mode fiber.



Key Advantages

Reliable link performance for fiber network builds
This sfp module supports 1.25Gb/s data links and uses a 1310nm DFB transmitter with a 1550nm PIN receiver, which gives network teams a stable optical path for point-to-point connection needs. With DOM support through the SFF-8472 monitoring interface, operators can check module status during deployment and maintenance, which helps reduce troubleshooting time for ethernet switch and network switch installations.

Industrial-grade compatibility and lower maintenance effort

The module is hot-pluggable, uses a single LC connector, and is designed for SMF deployment, making it well-suited for system integrators and buyers sourcing from optical transceiver manufacturers for long-term projects. Its industrial, extended, and commercial temperature options, together with RoHS compliance and lead-free construction, support stable operation in demanding environments and make it practical for industrial ethernet switch manufacturers building equipment that must stay dependable in service.



Use Scenarios

Campus and building backbone links between switches
In office buildings, campuses, and multi-floor facilities, network teams often need a stable fiber connection between an access network switch and an aggregation ethernet switch where copper distance is no longer practical. This transceiver module serves as the optical interface for those links, and its single LC single-mode design is well-suited to deployments that need consistent transmission over long runs while keeping maintenance straightforward for operators.

Industrial control rooms and equipment cabinets

In factories, utility sites, and other controlled industrial spaces, panel builders and plant engineers may need an optical module that can tolerate wider temperature ranges and support dependable switch interconnects. This sfp module fits that role by providing optical conversion for compatible ports in a poe switch or other switch platform, helping teams maintain stable communication between remote cabinets, machines, and monitoring equipment without changing the existing fiber layout.



FAQ

Q1. What network applications is this SFP module suited for?
It is designed for 1.25Gb/s data links in 1000BASE-BX-U BiDi deployments. The module uses a single LC connector and is suited for SMF links where a 1310nm TX and 1550nm RX optical path is required, such as uplinks in a network switch or Ethernet access design.

Q2. Is this transceiver compatible with Cisco equipment?
Yes, this unit is Cisco GLC-BX40-U compatible and follows the SFP MSA format. Our transceiver is intended for systems that accept a 1000BASE-BX-U BiDi SFP, and buyers should verify port support on the target network switch or ethernet switch before deployment.

Q3. What fiber type and connector does it require?
The module operates over single-mode fiber and uses one LC optical interface, which simplifies patching on supported links. We specify SMF use for the optical path, so installers should confirm the cabling plant and connector style match the port design before installation.

Q4. Does it support optical monitoring and power requirements for industrial use?
The unit includes digital diagnostics via the 2-wire serial bus defined in SFF-8472 and runs from a single +3.3V power supply. Maximum power is 1W, and we offer industrial, extended, and commercial temperature versions for system integrators and panel builders with defined operating environments.

Q5. What operating distance and temperature range should buyers plan for?
Based on the provided specification, the product supports up to 20km on 9/125 μm SMF, while the detailed description references a 40km application with up to 21dB link budget. We recommend confirming the exact version and temperature grade with our team before procurement.

Applications

  • 1000Base-ZX Ethernet
  • Metro/Access Networks
  • 1×FibreChannel
  • Other Optical Links

Specifications

Form Factor SFP Manufacturer Miray
Manufacturer Part No.  GE-BX40-SM1310 Form Factor SFP BiDi
Data Rate 1.25 Gbps Wavelength 1310nm-TX/1550nm-RX
Media Type SMF Max Distance 40km
Transmitter Type DFB Receiver Type PIN
Transmitter Power -5 ~ 0 dBm Receiver Sensitivity < -23 dBm
Extinction Ratio > 9 dB Receiver Overload > -3 dBm
Connector LC Simplex Power Consumption 0.9 W
DDM/DOM Yes Compliance RoHS, CE, REACH
SFP MSA(INF-8074i), IEEE 802.3z, SFF-8472
Environment Operating Temperature: 0~70°C
Storage Temperature: -40~85°C
Application Gigabit Ethernet
1G Fibre Channel
Switch to Switch Interface
Switch to NIC or Media Converter Interface
Other 1G Optical Links
Shipping Weight 0.03 kg Dimensions (LxWxH) 55.4×13.4×8.5 mm

 

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