
The 1G SFP MGBBX1D 20km 1490nm-TX/1310nm-RX Simplex LC/UPC Module, Cisco is a hot-pluggable SFP transceiver rated at 1.25Gbps. Using a Simplex LC optical interface over SMF at 1490nm-TX/1310nm-RX, it covers transmission distances up to 20km. Compliance with Fast Ethernet, Gigabit Fibre Channel, MSA Compliant, together with integrated diagnostic monitoring, makes it a dependable choice for enterprise access, campus, telecom edge and industrial network environments.
Product Highlights
- SFP form factor, 1.25Gbps data rate
- Wavelength: 1490nm-TX/1310nm-RX
- Connector: Simplex LC
- Reach: up to 20km
- Fiber media: SMF
- Operating temperature: 0 to 70°C (32 to 158°F)
Specifications
| Cisco Compatible | MGBBX1D |
|---|---|
| Manufacturer | HT |
| Form Factor | SFP |
| Max. Data Rate | 1.25Gbps |
| Wavelength | 1490nm-TX/1310nm-RX |
| Max Cable Distance | 20km |
| Connector | Simplex LC |
| Optical Components | DFB BiDi |
| Media | SMF |
| DOM Support | Yes |
| TX Power | -9~-3dBm |
| Receiver Sensitivity | <-20dBm |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
Applications
In enterprise access, campus, telecom edge and industrial network environments, the 1G SFP MGBBX1D 20km 1490nm-TX/1310nm-RX Simplex LC/UPC Module, Cisco delivers 1.25Gbps transmission over SMF with a reach of 20km. The Simplex LC interface and 1490nm-TX/1310nm-RX optics match the standard cabling plant used in modern data halls, so existing trunks can be reused. For networks standardized on Cisco hardware, it is a drop-in equivalent of the MGBBX1D.
Standards and Compatibility
This product is designed and tested to comply with Fast Ethernet, Gigabit Fibre Channel, MSA Compliant. It is interoperable with Cisco equipment and serves as a direct equivalent to the Cisco part number MGBBX1D.
Ordering Information
Our part number for this module is SFP-1G43-BX20. When ordering, just let us know the quantity and whether you need the compatibility coding for a particular switch brand; labeling and packaging can also follow your channel requirements.
Built to Your Spec
Our product line has grown with the industry for three decades, from GBIC-era modules to today's 800G and 1.6T interconnects. If the exact configuration you need is not listed, we can usually build it: custom lengths, mixed connector breakouts, OEM branding and project-specific firmware coding are all supported.
Shipping and Lead Time
Standard products are held in stock and usually ship within one to three working days. We dispatch worldwide by DHL, UPS, FedEx, TNT or EMS, and for bulk orders we arrange air or sea freight. Shipments can also be sent collect on your own courier account or delivered to your freight forwarder.
Quality and Testing
Every unit we ship is tested in our own test bed on mainstream switch and transport platforms before packing. Our test center has been fully upgraded, which sets us apart from other third party product providers: 10G, 40G, 100G, 200G and 400G transceivers and direct attach cables are verified on the latest top brand equipment, including selected original switches that can hardly be found elsewhere.
How We Pack
Transceivers and cables are individually protected against static and dust, then consolidated into sturdy cartons suitable for international courier shipment. For larger orders we shrink-wrap and strap cartons onto pallets. Tell us your warehouse or retail requirements and we will pack accordingly.



