![Perle C-100MM-S2ST120 Fast Ethernet Fiber to Fiber Media Converter Module – 100BASE-FX MM (ST) to 100BASE-ZX SM (ST) [120 km]](http://www.avendor.com/cdn/shop/files/05061130-2_{width}x.jpg?v=1756958937)
![Perle C-100MM-S2ST120 Fast Ethernet Fiber to Fiber Media Converter Module – 100BASE-FX MM (ST) to 100BASE-ZX SM (ST) [120 km]](http://www.avendor.com/cdn/shop/files/05061130-2_1024x.jpg?v=1756958937)
Description
The Perle C-100MM-S2ST120 Fiber to Fiber Media Converter Module provides seamless extension of Fast Ethernet networks by converting 100BASE-FX multimode (ST) fiber to 100BASE-ZX single mode (ST) fiber, supporting distances up to 120 km.
Designed for installation in high-density Perle Media Converter Chassis, this feature-rich module ensures complete transparency across the fiber link. With advanced functions like Link Pass-Through, Far-End Fault detection, loopback testing, and signal regeneration, troubleshooting becomes easier and downtime is minimized.
Engineered for IT professionals who require reliable long-distance connectivity, the C-100MM-S2ST120 also supports cascading media converters, VLAN transparency, and IEEE pause frame compatibility. Combined with Perle’s lifetime warranty and free worldwide technical support, this solution is built to deliver dependable fiber network performance.
| Specification | Details |
|---|---|
| Brand | Perle |
| Product Line | C-100MM Series |
| Model | C-100MM-S2ST120 |
| SKU | 05061130 |
| Form Factor | Module (for Perle Media Converter Chassis) |
| Port Type | Fiber to Fiber |
| Supported Standards | 100BASE-FX, 100BASE-LX/EX/ZX/BX |
| Fiber Type | Multimode (1310nm) to Single Mode (1550nm) |
| Connector Type | ST to ST |
| Distance | MM: 2 km (1.2 miles) / SM: 120 km (74.6 miles) |
| Data Rate | 100 Mbps |
| Features | Link Pass-Through, Far-End Fault (FEF), Signal Regeneration, VLAN Transparency, Remote Loopback, IEEE Pause Frame support |
| Applications | Fiber extension, LAN connectivity, high-density deployments |
| Chassis Compatibility | Perle Media Converter Chassis |
| Warranty | Lifetime |
| Support | Free Worldwide Technical Support |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
