PoE Media Converter With LFPT Fast Ethernet Singlemode Fiber 30W Budget DC48V

Product Specification

10/100 PoE Optic Media Converter

Introduction to Fast Ethernet Converter

Model: TA540-PSE-FE, we support your model

Olycom 10/100Mbps Megabit PSE fiber to copper Ethernet converter provides you with

• IEEE 802.3af/at Power Sourcing Ethernet (PSE) functionality on the twisted pair port
• supplying both data and electric current to devices like IP security cameras and VoIP phones
• install Powered Devices (PD) anywhere around the LAN
• performs media conversion as well as providing electric current to the end-device at the remote site

Key Features of PoE Media Converter

• 1 x 100Base-FX or SX fiber port
• 1 x 10/100Base-TX port for data and power
• IEEE802.3af/at compliant
• External Power supply
• Diagnostic and unit LEDs and PoE current indicator LEDs
• Externalized DIP switch for convenient configuration

Specification of 100M Ethernet Fiber Converter

What is LFPT in a Media Converter?

Definition

Link Fault Pass-Through (LFPT) is a critical network fault propagation mechanism integrated into managed media converters that ensures end-to-end link failure visibility across heterogeneous network segments. When a fault or link-down event is detected on one port of a media converter — whether on the copper (RJ45) side or the fiber (SFP/SC) side — LFPT automatically forces the opposite port down as well, propagating the failure signal across the media boundary so that upstream and downstream network devices can detect and respond to the fault in real time.

Without LFPT, a media converter acting as a transparent bridge between copper and fiber segments would mask link failures on one side, leaving connected switches, routers, or end devices unaware that connectivity has been lost — resulting in traffic blackholing, delayed failover, and extended network downtime.

How Does LFPT Work?

In a typical media conversion deployment, a converter sits between a copper-based device (such as an Ethernet switch) and a fiber optic link. Under normal operation, both ports remain active and traffic flows transparently between the two media types.

When LFPT is enabled and a link failure occurs — for example, a fiber cut or SFP signal loss on the optical side — the media converter immediately brings down the copper-side port to mirror the fault condition. This triggers a standard link-down notification to the connected switch or router, allowing Spanning Tree Protocol (STP), Link Aggregation Control Protocol (LACP), or IP routing protocols to initiate failover and reroute traffic through an alternate path.

The same process applies in reverse: a copper-side link failure is propagated to the fiber port, ensuring symmetrical fault detection across both network segments.

Key Technical Benefits

- End-to-End Fault Visibility — Eliminates blind spots at the media conversion boundary, ensuring that link failures are visible to all connected network devices regardless of physical media type

- Accelerated Failover — Enables routing and switching protocols to detect failures immediately and trigger redundancy mechanisms without waiting for protocol-level timeout timers

- Traffic Blackhole Prevention — Prevents network devices from continuing to forward traffic toward a failed link, reducing packet loss and improving overall network resilience

- Redundancy Protocol Compatibility — Fully compatible with STP, RSTP, LACP, and dynamic routing protocols such as OSPF and BGP, ensuring seamless integration into high-availability network architectures

- Bidirectional Fault Propagation — Monitors and propagates link faults in both directions — copper-to-fiber and fiber-to-copper — for complete fault symmetry

LFPT in High-Availability Network Designs

LFPT is particularly essential in carrier-grade, industrial, and enterprise network deployments where media converters are deployed at the edge of fiber backbone links. In these environments, even a brief delay in fault detection can result in significant traffic loss and SLA violations.

By enabling LFPT, network engineers ensure that the media converter behaves as a fully transparent and fault-aware network element, rather than an opaque device that inadvertently conceals infrastructure failures. This is especially critical in deployments utilizing redundant fiber paths, link aggregation groups (LAGs), or rapid failover topologies, where rapid and accurate fault signaling is a fundamental requirement for maintaining network continuity.

Why LFPT Matters?

As networks grow increasingly dependent on hybrid copper-fiber architectures — particularly in 5G fronthaul/backhaul, industrial automation, and campus network extensions — the ability to propagate link faults transparently across media boundaries becomes a non-negotiable requirement. LFPT transforms the media converter from a passive physical-layer device into an intelligent, fault-aware network element, ensuring that the integrity of end-to-end connectivity monitoring is maintained regardless of the underlying transmission media.

Application of PoE Fiber Optic Converter

What is MoQ?

1 Pc/Pair.

For many models, we have stock, it is easy to send samples for your testing.

Can I have a discount?

Yes and it is usually based on quantity and after sample testing.

What is your warranty period?

For commercial models like fiber Ethernet media converter or fiber optic PoE switch, it is 1 year.

For industrial grade products, it is 3 years.

We do lifetime technical support if the models are from Olycom company.

Can I have my own packing box?

Yes, the standard packing box does have not have Chinese letters or logo.

Its fine to customize your own version like putting your logo, model name or slogans on it.

What is your payment terms?

In most cases we do T/T wire transfer and full amount should be collected before shipment.

For sample orders, we receive PayPal payment for shorter processing time.

Sometimes Alipay or WeChat payment is fine, it depends on the cases.