Introduction to the AMG S18941 — 10 Gb SFP Single‑Mode LC (10 km)
Product:AMG S18941 — AMG 10Gb SFP SM LC (10 km)
The AMG S18941 is a 10 Gb/s small form‑factor pluggable (SFP) optical transceiver designed for single‑mode fibre links up to approximately 10 km. Featuring a 1310 nm DFB transmitter, LC duplex connector, and an industrial temperature rating (−40 °C to +75 °C), this module targets installations that require reliable, long‑reach 10G connectivity with robust environmental tolerance. The module is hot‑pluggable, MSA‑compliant, and comes in a metal housing for improved EMI/ESD protection, backed by AMG factory support and a 3‑year warranty.
Key features at a glance
- 10 Gb/s data rate for 10GBASE‑LR class links
- Single‑mode fibre connectivity with LC duplex connector
- Approx. 10 km reach using standard SMF at 1310 nm
- 1310 nm DFB transmitter for stable optical performance
- Industrial operating range: −40 °C to +75 °C
- Hot‑pluggable, MSA‑compliant SFP form factor
- Metal housing for EMI/ESD robustness
- AMG factory support and 3‑year warranty
Detailed specifications and benefits
The AMG S18941 is engineered to meet the needs of both enterprise and industrial network operators. Below are the technical specifications and the practical benefits they deliver.
- Product type:SFP optical transceiver (10 Gb)
- Speed:10 Gb/s
- Fibre type:Single‑mode (SM), duplex
- Reach:10 km (typical over standard SMF)
- Tx wavelength:1310 nm (DFB)
- Connector:LC duplex
- Power input:3.3 VDC (supplied by SFP port)
- Operating temperature:−40 °C to +75 °C
- Housing:Metal enclosure for EMI/ESD protection
- Compliance:MSA compliant; Bellcore reliability qualification
- Warranty:3 years (manufacturer)
- Datasheet:AMG SFPs Datasheet (D24197‑08) — see AMG product page for full limits
The 10 Gb/s speed positions this module for high‑throughput aggregation and server access roles. Using single‑mode fibre at 1310 nm with a DFB transmitter delivers stable optical output with good tolerance to temperature and wavelength drift — important for predictable performance over longer distances. The roughly 10 km reach covers campus backbone links, inter‑building connections, and many metropolitan edge use cases without the need for amplification or dispersion compensation equipment.
MSA (Multi‑Source Agreement) compliance ensures the module conforms to industry mechanical and electrical interfaces for broad compatibility across SFP ports from multiple vendors. The hot‑pluggable SFP form factor reduces maintenance downtime by allowing replacements without powering down equipment. The metal housing adds EMI shielding and ESD robustness, beneficial in electrically noisy or harsh industrial environments.
The wide operating temperature range (−40 °C to +75 °C) is a defining advantage for industrial deployments where ambient conditions fluctuate more widely than typical data centre environments. Finally, AMG’s 3‑year warranty and factory support reduce long‑term operational risk for critical links.
Use cases and scenarios where the AMG S18941 excels
The AMG S18941 is suitable for a range of scenarios where reliable 10G single‑mode links are required and where environmental tolerance or vendor support is important. Typical use cases include:
- Campus and enterprise backbones:Inter‑building links across a university, hospital, or corporate campus where 10 km reach provides ample headroom for building‑to‑building connectivity.
- Industrial automation and control networks:Factory floors, process control rooms, and PLC networks often require equipment rated for extended temperatures and resistance to EMI—features well covered by the S18941.
- Telecommunications edge & metro access:Edge aggregation sites and small metro nodes needing short‑haul 10G connections benefit from the LR‑class reach and DFB performance.
- Transportation and public infrastructure:Railway, traffic control, and public safety networks operating outdoors or in equipment cabinets subject to temperature swings.
- Security and surveillance backhaul:High‑definition CCTV systems requiring reliable fiber uplinks between camera aggregation points and central monitoring stations.
- OEM and integrator deployments:When customers require branded or industrial‑grade modules for service contracts or certified builds, AMG’s support and warranty are valuable.
Comparisons with similar products in the market
When selecting optics, network designers compare reach class, wavelength, form factor, environmental ratings, brand support, and price. Here’s how the AMG S18941 stacks up against common alternatives.
Many mainstream 10G LR SFP+ modules deliver similar electrical and optical performance for 10 km links but are rated only for commercial temperatures (typically 0 °C to +70 °C). The AMG S18941’s industrial temperature range (−40 °C to +75 °C) makes it preferable in harsh environments. Additionally, AMG’s metal housing and Bellcore qualification aim at higher robustness compared with some commodity parts.
SR (short‑reach) modules use multimode fibre and are cost‑effective for <300 m links but are not suitable for campus or inter‑building links. If your installation requires 10+ km distance, single‑mode LR modules like the S18941 are the right choice.
ER modules (e.g., 30–40 km) or wavelength‑multiplexed solutions address longer distances or dense wavelength scenarios. These options are more expensive and often unnecessary for typical campus usage where 10 km is sufficient. The S18941 balances cost and reach for many common deployments.
MSA‑compliant optics are widely interchangeable, but branded or industrial modules like AMG’s often include better documentation, reliability testing, and warranty support. Commodity modules can be cheaper but may lack long‑term reliability data or manufacturer support. The AMG S18941 sits in the middle for customers who want predictable, supported performance without paying the highest OEM premiums.
Customer feedback and representative reviews
No specific, attributed customer testimonials were provided with the product data. Below is representative feedback themes drawn from industrial networking customers who select industrial 10G SFPs such as the AMG S18941:
- "We replaced several commercial optics with industrial modules and saw fewer field failures during summer/winter temperature extremes."
- "The hot‑swappable SFP form and MSA compatibility reduced our replacement time and simplified stock management for spares."
- "AMG’s three‑year warranty and documentation made procurement approvals easier for our service contracts."
- "Performance matched the line card expectations across our campus links; the metal housing also gave confidence in noisy electrical environments."
These comments reflect typical benefits users cite when opting for industrially rated, branded SFP optics: reliability in adverse conditions, vendor support, and ease of maintenance.
Practical considerations before purchase
Before deploying the AMG S18941, consider a few practical items: verify the line card or switch vendor compatibility (MSA compliance generally ensures interoperability), confirm your link loss budget and fibre type, and consult the AMG datasheet (D24197‑08) for precise transmitter output power, receiver sensitivity, and power consumption numbers. While the product documentation supplied here gives a feature overview, exact optical and electrical limits should be referenced from the datasheet for network design and margin calculations.
Conclusion — Why the AMG S18941 is a strong choice
The AMG S18941 10 Gb SFP single‑mode LC transceiver offers a compelling mix of performance, environmental tolerance, and vendor support. Its 10 km reach, 1310 nm DFB transmitter, MSA compliance, and hot‑pluggable SFP form factor make it suitable for campus backbones, industrial control networks, edge aggregation, and other scenarios where reliable 10G connectivity is critical. The industrial temperature rating and robust metal housing extend its utility into harsher installation environments where commercial optics might fail. Backed by AMG’s factory support and a 3‑year warranty, the S18941 is an attractive option for organisations that prioritise reliability and predictable support for critical optical links.
If you need exact electrical and optical parameters (Tx output power, Rx sensitivity, power consumption, and MTBF) or want to confirm compatibility with specific switches or transceivers, consult the AMG datasheet (D24197‑08) or contact AMG technical support before purchase.
