
When you need reliable, long-distance fiber connectivity, the LINK-PP LS-SM3101-40C stands out as a strong choice. You get a SFP 155Mbps 40km SMF Optical Transceiver Module that balances performance and cost. Compatibility with leading brands ensures smooth integration into your network. Real-time diagnostics give you critical insights for troubleshooting and maintenance. Consider your specific network requirements to determine if this module fits your needs. LINK-PP’s LS-SM3101-40C SFP transceiver serving data centers, enterprise backbones and telecom carriers.
LINK-PP Optical Modules Key positioning:
High transparency: Full specs and certifications publicly documented
Bulk deployment ready: Efficient procurement, global support, robust supply
Engineered for reliability: Stress-tested in field, with both commercial and industrial temperature options
Key Takeaways
The LINK-PP LS-SM3101-40C offers reliable long-distance fiber connectivity up to 40 km with a stable 155 Mbps data rate.
It supports many major network brands, making it easy to integrate into existing systems without compatibility issues.
Built-in digital diagnostics let you monitor real-time performance and catch problems early to keep your network running smoothly.
The hot-pluggable design allows quick installation or replacement without shutting down your equipment, reducing downtime.
This transceiver provides excellent value by combining strong performance, broad compatibility, and a cost-effective price.
Key Specifications of 155Mbps 40km SFP Module
When you choose the LINK-PP LS-SM3101-40C, you get a SFP 155Mbps 40km SMF Optical Transceiver Module designed for demanding network environments. This module delivers stable, long-distance connectivity and supports a wide range of applications. You can rely on its robust technical specifications to meet your network’s needs.
Here is a quick overview of the key specifications:
Specification Aspect | Details |
---|---|
Form Factor | SFP |
Maximum Data Rate | 155 Mbps |
Wavelength | 1310 nm |
Maximum Transmission Distance | 40 km |
Connector Type | Duplex LC |
Optical Components | DFB Laser 1310 nm |
Supported Media | Single Mode Fiber (SMF) |
Digital Optical Monitoring (DOM) | Supported |
Transmit Power (TX) | -14 to -8 dBm |
Receive Power (RX) | -32 to -6 dBm |
Receiver Sensitivity | -32 dBm |
Receiver Overload | -1 dBm |
Operating Temperature Range | 0 to 70 °C |
Compliance Protocols | GR-468, MSA Compliant |
You can trust the SMF Optical Transceiver Module to deliver consistent results. Its design meets the SFP Multi-Source Agreement (MSA) and complies with industry standards, making it a reliable choice for professional networking.
Explore the
LS-SM3101-40C Now
Discover reliable 155Mbps, 40km single-mode fiber connectivity with real-time diagnostics and broad compatibility.
Features - Digital Diagnostics Support
You gain a significant advantage with the digital diagnostics monitoring (DDM) features built into the SFP 155Mbps 40km Optical Transceiver. These diagnostics help you maintain and troubleshoot your network with greater efficiency.
The module supports digital diagnostics monitoring compliant with the SFF-8472 standard.
You can monitor real-time parameters such as optical output power, optical input power, temperature, laser bias current, and supply voltage.
This capability allows you to assess the health and performance of the transceiver remotely.
You can detect faults early, perform proactive maintenance, and improve overall network reliability.
The module’s compliance with MSA standards ensures that you can integrate it easily into your existing network management systems.
With these digital diagnostics, you stay ahead of potential issues. You can optimize your network’s uptime and performance by using the SFP 155Mbps 40km SMF Optical Transceiver Module’s advanced monitoring features.
Performance
Reliability
The LINK-PP LS-SM3101-40C transceiver delivers consistent performance in demanding environments. The commercial model operates from 0°C to 70°C, ensuring network stability across typical indoor conditions.
Built with high-quality components, including an DFB laser transmitter and PIN photodiode, the module maintains reliable long-distance connections and meets strict industry standards.
Signal Quality
Designed for distances up to 40 km, the LS-SM3101-40C ensures minimal signal loss and low error rates, critical for Fast Ethernet and SONET OC-3. Its duplex LC connector and advanced optical design provide precise transmit power (-14 to -8 dBm) and receiver sensitivity (-32 dBm), reducing packet loss and signal degradation.
Real-time digital diagnostics allow proactive monitoring, keeping your network reliable across campuses and data centers. With the LS-SM3101-40C, your network maintains high signal quality, even over long distances.

Compatibility
Supported Devices
The LS-SM3101-40C optical transceiver is compatible with a wide range of Modules, including:
Cisco: GLC-FE-100EX
Allied Telesis: AT-SPFX/40
Brocade: E1MG-100EX-40
Dell: GP-SFP2-1E-C
Extreme Networks: MGBIC-LX-40
Foundry: E1MG-100FX-LR
H3C: SFP-FE-LH40-SM1310
Hewlett Packard (HW): 0231A564-40
This ensures seamless integration with multiple networking platforms for reliable connectivity.
Installation
The LS-SM3101-40C features a hot-pluggable SFP design, allowing you to insert or remove the module without shutting down your system—reducing downtime.
Simply slide the transceiver into the SFP port on your switch or router. The duplex LC connector ensures a secure connection with single-mode fiber. No special tools or technical skills are needed, and the module integrates automatically with your device.
Tip: Always verify your device’s compatibility before installation to ensure smooth operation.
With its easy setup and reliable performance, the LS-SM3101-40C supports fast deployment in both new and existing networks, keeping your system running efficiently.
Applications
Telecom Networks
The LINK-PP LS-SM3101-40C is ideal for telecom networks requiring stable, long-distance fiber connections. Supporting Fast Ethernet and SONET OC-3 at 155 Mbps and 1310 nm, it ensures reliable single-mode fiber transmission. Compliance with SFP MSA and SFF-8472 allows seamless integration, while real-time digital diagnostics help monitor network health. Its robust design and Class I laser safety provide dependable uptime.
Data Centers
Designed for cost-effective and efficient deployment, the LS-SM3101-40C connects switches and routers across large facilities or between buildings. Its hot-pluggable SFP form factor allows module upgrades without disrupting operations.
Long-Distance Links
For campus networks, metro areas, or remote sites, the LS-SM3101-40C supports up to 40 km over single-mode fiber. Its combination of reach, reliability, and diagnostics ensures high-quality connections across long distances.
Pros and Cons
Strengths
Wide Compatibility: Works with Cisco, Dell, Brocade, Huawei, and other leading brands for easy integration.
Long-Distance Performance: Stable transmission up to 40 km, ideal for campus, metro, and remote links.
Digital Diagnostics: Monitor optical power, temperature, and voltage in real time to quickly troubleshoot issues.
Hot-Pluggable Design: Install or replace without shutting down your system, reducing downtime.
Industry Compliance: Meets SFP MSA and SFF-8472 standards for reliable operation.
Class I Laser Safety: Ensures safe deployment in professional networks.
Tip: Use digital diagnostics to detect issues early and maintain optimal network performance.
Limitations
Limitation | Impact on Use Case |
---|---|
155 Mbps Max Data Rate | Suitable for Fast Ethernet, not Gigabit |
Operating Temperature 0°C–70°C | Best for standard environments; extreme conditions require industrial-grade models-LS-SM3101-40I |
Single-Mode Fiber Only | Not compatible with multi-mode fiber networks |
FAQ
Is the LS-SM3101-40C compatible with my Cisco switch?
You can use the LS-SM3101-40C with most Cisco switches that support SFP modules. Always check your device’s compatibility list before installation.
How do you install the LS-SM3101-40C SFP transceiver?
You slide the module into the SFP port on your switch or router. The hot-pluggable design lets you install or replace it without shutting down your system.
What digital diagnostics can you monitor with this module?
You can monitor optical output power, input power, temperature, laser bias current, and supply voltage. These diagnostics help you maintain network health and troubleshoot issues quickly.
What warranty does LINK-PP provide for this transceiver?
You receive a standard limited warranty, usually covering defects in materials and workmanship for one to three years. Always confirm warranty terms with your distributor or reseller.
See Also
Overview Of LINK-PP 10G SFP+ DWDM Transceiver 40Km
Detailed Look At LINK-PP 10G SFP+ LS-SM5510-80C
LINK-PP 400G QSFP-DD LR4 Transceiver Provides 10Km Reach