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LF091 Fiber Media Converter Series 10/100/1000M Single/Multi-mode OEM logo

Q: How to choose between 100M and 1000M versions?

For IP cameras (<100M) and budget-sensitive projects → 100M. For switches, servers, NAS, NVR, multi-HD streams → 1000M. 2F4E/3F2E/6F2E/SFP are available in either speed.

Q: What are the advantages of SFP pluggable converters?

Hot-swappable without powering down, interchangeable modules for different distances/wavelengths, increases port density, FCC/CE/RoHS certified – ideal for data centers and flexible maintenance.

Q: What makes 6SC2RJ unique?

6F2E is the only model explicitly supporting IEEE802.1Q VLAN and broadcast storm protection, plus industrial power inputs (-48V / +24V / 44-58V DC) and a 4K MAC table. Ideal for multi-service isolation and industrial communication.

Q: What is the difference between 2F4E/3F2E/6F2E and ordinary media converters?

These models have a built-in 12Gbps switching core and backplane bandwidth – they function as mini switches, not just simple optical-electrical converters.

Q: How does the "simplex" (single-fiber) technology in HTB-3100A/B reduce fiber optic cabling costs?

The HTB-3100A/B uses WDM (Wavelength Division Multiplexing) to transmit and receive data over a single fiber strand (e.g., 1310nm / 1550nm). Compared to traditional dual‑fiber converters, it cuts the required fiber core count by half. For long‑distance links (up to 120km) or scenarios with limited fiber availability, this can reduce cable material costs by approximately 50% while doubling the utilization of existing fiber infrastructure.

Available Options / Customization

Port Configuration: HTB-3100AB, GS03, 2F4E, 3F2E, 6F2E, SFP

Speed: 100M, 1000M

Fiber Type: SM/MM, dual-fiber or single-fiber

Optical Connector: SC, FC, ST, LC

OEM/ODM: Custom logo, packaging, color, labeling

Transmission Distance: 550m (multimode), 10km, 20km, 40km, 60km, 80km, 100km, 120km (single-mode)

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Product Description

Fiber Media Converter and Ethernet Switch Series for Copper-to-Fiber Links

fiber media converter series extends Ethernet over single-mode or multimode fibre using fixed optical ports or SFP modules. The family includes 100M and gigabit 1-fibre/1-copper converters plus multi-port switching variants; model names are not interchangeable and the exact data rate, wavelength pair, connector, distance and power input must be locked before production.

Existing exposure terms—fiber media converter, gigabit, RJ45, SFP, SC, single-mode and multimode—are retained. Distance is an optical-budget result, not a stand-alone guarantee.

Series Selection Matrix

Decision	Options to confirm	Engineering impact
Ethernet rate	10/100M or 10/100/1000M	Both ends and all copper devices must support the required rate.
Fibre	Multimode or single-mode; dual-fibre or BiDi single-fibre	Determines wavelength, connector, distance and paired units.
Optical interface	Fixed SC/FC/LC or SFP cage	SFP version shifts optical specifications to the selected module.
Topology	1F1E converter or 2F4E/3F2E/6F2E switching variant	Port count, forwarding capacity and redundancy differ.
Power	External DC, built-in AC or project DC input	Confirm voltage, plug, polarity and surge environment.
Management/features	Unmanaged by default unless explicitly specified; LFP, VLAN, PoE, jumbo frame are model-dependent	Never infer features from enclosure or port count.

Single-Fiber BiDi Pairing

A single-fibre link requires complementary A/B units: the transmit wavelength at one end must equal the receive wavelength at the other. Confirm 1310/1550 or other specified pair, connector polish and link direction. Two identical BiDi units normally will not establish a link.

Technical Specifications and Series Comparison

Model	Fiber Ports	Copper Ports	Speed	Fiber Connector	Distance	Fiber Type	Wavelength	MAC Table	Power Supply	Dimensions (mm)
HTB-3100A/B	1	1	100M	SC/FC/ST	25~120km	SM simplex	1310/1550 (25-60km)	2K	External DC / optional built-in AC	26×70×93
1490/1550 (80-120km)
GS03	1	1	1000M	SC/FC/LC	10~100km	SM (dual-fiber or single-fiber)	1310/1550	2K	Built-in AC	140×110×30
2F4E	2	4	100M / 1000M (optional)	SC/FC/LC	MM 0.5km / SM 100km	SM/MM	850/1310/1550 optional	2K	Built-in / External DC	160×75×26
3F2E	3	2	100M / 1000M (optional)	SC/FC/LC	MM 0.5km / SM 100km	SM/MM	850/1310/1550 optional	2K	Built-in / External DC	160×75×26
6F2E	6	2	100M (10/100M auto-negotiation)	SC/FC/LC	MM 2km / SM 120km	SM/MM	1310/1550	4K	AC 180-260V or DC -48V / +24V / 44-58V	216×140×31
SFP pluggable	1 (SFP cage)	1	100M / 1000M (optional)	SC/LC	MM 0.5km / SM 120km	SM/MM	850/1310/1550	2K/4K	DC 3.3V (hot-swappable)	Module: 56.5×13.4×8.5
Enclosure size customizable

Optical Link Budget and Distance

Calculate margin from transmitter power, receiver sensitivity, fibre attenuation, connector/splice loss and ageing/repair allowance. A 20 km, 80 km or 120 km label represents a configured optical class under stated conditions; installed link quality and SFP/fixed-optics specification determine actual performance.

Ethernet Rate, Duplex and Auto-Negotiation

A gigabit converter does not increase the speed of a 100M camera or switch. Confirm copper auto-negotiation, duplex behaviour and any forced settings at both ends. For SFP models, verify module data rate, MSA compatibility, DOM requirement and permitted temperature range. LFP, jumbo-frame size, VLAN, PoE and managed functions are available only when listed on the exact datasheet.

Common Commissioning Failures and Prevention

Risk	Result	Control
BiDi A/B wavelengths not paired	No optical link	Match Tx/Rx wavelength pairs and connector polish.
100M unit in gigabit path	Throughput limited to Fast Ethernet	Approve rate on both ends and verify auto-negotiation.
Distance selected by label only	Unstable link or no margin	Calculate optical budget including fibre, connectors, splices and ageing margin.
SM/MM mismatch	High loss or modal problems	Match fibre type and wavelength to installed cabling.
Power-supply mismatch	Damage or intermittent reboot	Confirm input range, polarity, earthing and plug.
Unverified feature claim	Tender or commissioning failure	List LFP, jumbo frame, VLAN, PoE and management requirements per exact model.

Pre-shipment Quality and Acceptance Plan

LinkFiber can inspect exact model, port count, rate, wavelength, optical power, receiver response, connector, MAC learning, power input and labels. Project acceptance may add packet-loss/throughput testing, burn-in, link-flap recovery, power-cycle tests and paired BiDi verification.

Approve one complete A/B link or two-fibre pair.
Record rate, wavelength, connector, fibre type and distance class.
Verify copper link at the required speed and duplex.
Check every ordered power-supply option and plug.
Test multi-port models under simultaneous traffic where required.
Match SFP modules and feature claims to the exact model.

B2B Buyer Guide: Information Required for an Accurate Quote

Provide copper rate and port count, fibre count/type, connector, link length and loss, BiDi or dual-fibre topology, SFP or fixed optics, power input, operating environment, LFP/jumbo/PoE/management requirements, quantity, plug, label/logo and inspection documents.

MOQ, Samples, Lead Time and Packing

Commercial item	Standard B2B arrangement
MOQ	Project-based quantity; samples and trial orders available on request
Lead time	Normally 5–10 days after configuration confirmation
Packing	Protective bag/inner carton and export carton; project-specific packing available
Customization	Ports, adapters, trays, labels, logo, accessories, manual, inspection report and packing
Documents	Exact-model datasheet, packing list and lot inspection records; compliance evidence must match the supplied variant

Related Transmission Products

Compare the complete fiber media converter and Ethernet switch series and other Fiber Optic Transmission Equipment. LinkFiber can match paired converters, SFP modules, patch cords and power supplies under one configuration sheet.

FAQ

Q：

How to pair single-fiber converters?

A：

HTB-3100A (Tx1310nm / Rx1550nm) must be paired with HTB-3100B (Tx1550nm / Rx1310nm). Other single-fiber models (GS03 single-fiber, 2F4E single-fiber) follow the same wavelength matching principle.

Q：

How to choose between 100M and 1000M versions?

A：

For IP cameras (<100M) and budget-sensitive projects → 100M. For switches, servers, NAS, NVR, multi-HD streams → 1000M. 2F4E/3F2E/6F2E/SFP are available in either speed.

Q：

What are the advantages of SFP pluggable converters?

A：

Hot-swappable without powering down, interchangeable modules for different distances/wavelengths, increases port density, FCC/CE/RoHS certified – ideal for data centers and flexible maintenance.

Q：

What makes 6SC2RJ unique?

A：

6F2E is the only model explicitly supporting IEEE802.1Q VLAN and broadcast storm protection, plus industrial power inputs (-48V / +24V / 44-58V DC) and a 4K MAC table. Ideal for multi-service isolation and industrial communication.

Q：

What is the difference between 2F4E/3F2E/6F2E and ordinary media converters?

A：

These models have a built-in 12Gbps switching core and backplane bandwidth – they function as mini switches, not just simple optical-electrical converters.

Q：

How does the "simplex" (single-fiber) technology in HTB-3100A/B reduce fiber optic cabling costs?

A：

The HTB-3100A/B uses WDM (Wavelength Division Multiplexing) to transmit and receive data over a single fiber strand (e.g., 1310nm / 1550nm). Compared to traditional dual‑fiber converters, it cuts the required fiber core count by half. For long‑distance links (up to 120km) or scenarios with limited fiber availability, this can reduce cable material costs by approximately 50% while doubling the utilization of existing fiber infrastructure.

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