ZTE SFP-GE-S10K Compatible 1000BASE-LX/LH SFP Transceiver Module (SMF, 1310nm, 10km-20km, LC, DOM)
This ZTE SFP-GE-S10K compatible SFP module supports 1000BASE-LX/LH connectivity over single mode fiber cable (SMF). It supports a link distance of 10km to 20km on SMF fiber, or 550m on MMF fiber (need to be used along with mode conditioning patch cable). This 1G SFP transceiver complies with SFP MSA, IEEE 802.3z, and SFF-8472, so suitable for any MSA-compliant equipment. Instead of an OEM supplier, it comes from OPTCORE, a third-party manufacturer. Hence, this SFP offers a very affordable price compared to the original SFP-GE-S10K. Most importantly, we code and test each transceiver to ensure it works with the ZTE Gigabit Ethernet switches, routers, servers, and network interface cards (NICs).
Features

Proven Performance
When performance and reliability are vital, use our 1G SFP module to build your network. OPTCORE transceivers are engineered, produced, and tested in-factory for reliable end-to-end quality.

Proven Compatibility
There’s an easy way to verify compatibility: test in real network devices. The OPTCORE SFP transceiver is tested for compatibility with multi-switch devices to ensure flawless functioning.

Enjoy Massive Saving
Compared to the original transceiver, the OPTCORE 1G SFP module can save you up to 80% on project and optical networking cabling. You won't find a better combination of quality and affordability.
Specifications
Compatible OEM Part# | SFP-GE-S10K | Manufacturer | OPTCORE |
Manufacturer Part# | OSP1250-3120DCR | Form Factor | SFP |
Data Rate | 1.25 Gbps | Wavelength | 1310 nm |
Media Type | SMF | Max Distance | 10km-20km |
Transmitter Type | FP | Receiver Type | PIN |
Transmitter Power | -9 ~ -3 dBm | Receiver Sensitivity | < -22 dBm |
Extinction Ratio | > 9 dB | Receiver Overload | > -3 dBm |
Connector | LC Duplex | 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) | 55.5×13.7×12 mm |
Receiver sensitivity measured with a PRBS 27-1 test pattern @1.25Gbps, Bit Error Ratio (BER) ≤1E-12.
Application Diagram

Gigabit Ethernet Switch
SFP-1G-LX
FOC-125
LC-LC-SM-DX
SFP-1G-LX
Gigabit Switch (48xRJ45, 4xSFP)

Gigabit Ethernet Switch
SFP-1G-LX
LC-LC-SM-DX
SFP-1G-LX
1G SFP Converter
Cat6 Cable
Gigabit Switch

Gigabit Ethernet Switch
SFP-1G-LX
LC-LC-SM-DX
SFP-1G-LX
NAS
Cat6 Cable
Desktop
Key Features
Intelligent DOM/DDM for Reliable Networks
With built-in DOM/DDM function, the 1G SFP module allows users to monitor the fiber link operating parameters in real-time. That ensures a reliable optical network and helps locate network problems quickly.
Optimal Performance and Quality for 1G Networks
Featuring a built-in Semtec chip and reliable FP laser / PIN receiver, the SFP module delivers low power consumption and stable optical links for 1G single mode networks like Gigabit Ethernet and Fibre Channel. You can rest assured regarding quality and warranty.
Compatibility
- ZTE Gigabit Ethernet Switches
- ZTE Gigabit Ethernet Routers
- ZTE Gigabit Ethernet Firewalls
- ZTE Gigabit Network Interface Card (NICs)
- ZTE Gigabit Fiber Media Converters
- ZTE Gigabit Fiber Mode Converters
- ZTE Network Attached Storage (NAS)
- ZTE 1G SAN Switches
- ZTE Mesh WiFi System with 1G SFP Port
- ZTE 1G SFP WiFi Router
Note: All trademarks, products, and company names mentioned are the property of their respective owners and are used for comparative purposes only. This product is NOT certified or endorsed by ZTE.
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