Category
Cisco Compatible SFP28-25GB-U10 BiDi Optical Transceiver Module
Product Highlights
*25GBASE-U10 BiDi optical transceiver
*Single fiber bidirectional transmission
*Up to 10km over OS2 single mode fiber
*1270nm TX / 1330nm RX
*Simplex LC optical interface
*Digital Diagnostic Monitoring (DDM)
*Hot-pluggable SFP28 form factor
*Compatible with major 25G network platforms
Cisco SFP28-25GB-U10 Compatible 25GBASE-BiDi SFP28 Optical Transceiver Module (SMF, 1270nm-TX/1330nm-RX, 10km, LC, DOM)
The cisco compatible 25g sfp28 module supports transmission distances up to 10km and is widely deployed in enterprise networks, telecom access infrastructure, and data center connectivity applications.
With DDM monitoring, low power consumption, and full SFP28 MSA compliance, the sfp28 25gb u10 provides reliable interoperability with mainstream network equipment and supports efficient network expansion over existing fiber infrastructure.
Product Details
Data Rate | Module Type | Distance | Connector | Interface | Temperature | DDM |
25Gbps | SFP28 | 10KM | 1270nm-TX/1330nm-RX | LC | 0~70℃ | Yes |
Specifications
| Cisco Compatible | SFP28-25GB-U10 | Brand | Firstoptic |
| Form Factor | SFP28 | Max. Data Rate | 25.78Gbps |
| Wavelength | 1270nm-TX/1330nm-RX | Max. Cable Distance | 10km |
| Connector | Simplex LC/UPC | Media | SMF |
| Transmitter Type | DFB BiDi | Receiver Type | PIN |
| TX Power | -2~4dBm | Minimum Receiver Power | <-13dBm |
| Power Budget | 11dB | Receiver Overload | 2dBm |
| Max. Power Consumption | ≤1 W | Extinction Ratio | 3.5dB |
| DDM/DOM | Supported | Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| CDR (Clock and Data Recovery) | TX & RX Built-in CDR | Inbuilt FEC | No |
| Protocols | SFP28 MSA, CPRI, eCPRI | Warranty | 3 Years |
Certification system

Application Scenarios

Fiber Resource Optimization
The sfp28 25gb u10 and complementary D10 modules provide reliable 25GbE connectivity over a single strand of OS2 single mode fiber.
As a 25gbase-u10 BiDi solution, this deployment reduces fiber consumption by up to 50% compared with traditional duplex optical links while maintaining stable transmission distances up to 10km.
The cisco compatible 25g sfp28 module pair is widely used in enterprise networks, telecom access infrastructure, campus networks, and data center interconnect applications where efficient fiber utilization is critical.
This 25g bidi transceiver solution helps simplify cabling, reduce deployment costs, and support scalable 25G Ethernet network expansion.
Enterprise Access Network
The sfp28 25gb u10 and sfp28 25gb d10 BiDi transceivers provide reliable 25G Ethernet connectivity between core switches, access switches, and enterprise network infrastructure over a single strand of OS2 single mode fiber.
As a 25gbase-u10 single fiber solution, the module pair helps reduce fiber deployment requirements while maintaining stable transmission distances up to 10km.
When deployed with compatible 25G switches and OS2 simplex fiber patch cords, the cisco compatible 25g sfp28 solution delivers a cost-effective and scalable approach for enterprise access networks, campus connectivity, and network expansion projects.

Features
Our strict quality control process helps ensure stable performance, seamless interoperability, and long-term reliability in enterprise, telecom, and data center networks.
Test Equipment
Compatibility Validation
Environmental Reliability TestHigh Compatibility for all Brands

The 25GBASE-U10 is a bidirectional SFP28 optical transceiver that supports 25GbE transmission up to 10km over a single strand of single mode fiber.
Q2: What fiber is required for SFP28-25GB-U10?
The module requires OS2 single mode fiber with a simplex LC connector.
Q3: How does a BiDi transceiver work?
A BiDi transceiver uses different transmit and receive wavelengths to enable bidirectional communication over one fiber strand.
Q4: What is the maximum transmission distance?
The SFP28-25GB-U10 supports up to 10km transmission over OS2 single mode fiber.
Q5: What are the benefits of a BiDi optical transceiver?
BiDi transceivers reduce fiber consumption, simplify cabling, lower deployment costs, and support efficient network expansion.
Send Message