Gigabit 1000M Fiber Optic to RJ45 Media Converter

Gigabit 1000M Fiber Optic to RJ45 Media Converter

Complies with IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3ab 1000Base-T, IEEE 802.3z 1000Base-SX/LX

Product Details

OPTFOCUS Series Gigabit Fiber Media Converter Offering the flexibility with all kinds of 10/100/1000Mbps Ethernet Media on RJ-45 port and performing highly stable Gigabit fiber capability, the OPTFOCUS Gigabit media converter series OFS-GAS-1 supports conversion between 10/100/1000Base-T and 1000Base-LX/SX network. The OFS-GAS-1 series offer three types of connector, SC / SFP / WDM connector, with single-mode or multi-mode media as required so that an Gigabit fiber network can be efficiently constructed through the Ethernet. 

Designed in compact size, the OFS-GAS-1 can be used as a standalone unit or being installed in the media converter chassis such as the OFS-RACK-14 ( 14-slot Media Converter Chassis to build a centralized fiber-optic network. The media chassis can feed OFS-GAS-1 power to maintain the fiber-optic network at one location.

As the OFS-GM/GS series fully complies with IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3ab 1000Base-T and IEEE 802.3z 1000Base-LX/SX, the installation of the Gigabit media conversion is quite quick and easy by simple plug and play. The OFS-GAS-1 also supports flow control and back pressure in half-duplex to eliminate packets loss. Even when the web UI is not available.

Main features

◆ Complies with IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3ab 1000Base-T, IEEE 802.3z 1000Base-SX/LX

◆ TP port supports 10/100/1000Base-T auto-negotiation and auto-MDI/MDI-X

◆ Multimode Fiber: the max distance up to 224m/ 550m 

Singlemode Fiber: the max distance up to 100km

◆ 1000Base-SX: 50/125μm or 62.5/125μm multi-mode fiber cable, up to 220/550m

◆ 1000Base-LX: 9/125μm single-mode cable provides long distance for 10km 

◆ 1000Base-LX WDM interface for up to 20km (single-mode fiber 9/125μm) 

◆ 1000Base-LX WDM interface for up to 60km (single-mode fiber 9/125μm) 0

◆ 1000Base-T: 2-pair Cat. 5/5e/6 UTP cable, up to 100 meters

◆ Auto-Negotiation for 10/100/1000Base-T; Half-Duplex or Full-Duplex for 10Mbps and 100Mbps

◆ Layer 2 key Feature

–IEEE 802.3x Full-Duplex Flow-Control and Back-Pressure in Half-Duplex eliminate the loss of packets 

–Support auto MDI/MDI-X function 

–Store-and-Forward mechanism

–Non-blocking full wire-speed forwarding rate 

◆ Media conversion between 10/100/1000Base-T and 1000Base-SX/LX

◆ Fiber media allows:

–Multi-mode fiber using SC/LC/WDM connector

–Single-mode fiber using SC/LC/WDM connector

◆ Compacts size for easy installation and working with OPTFOCUS MC family Media Chassis (OFS-RACK-14)

◆ Wall-Mountable design

◆ LED indicators for easy network diagnose

◆ Choice of fiber-connector from 1000Base SFP interface


With high performance of data transmission and easy installation, the OFS-GAS-1 can build the network solution of FTTH (Fiber to the Home) or FTTC (Fiber to the Curb) for ISPs and FTTB (Fiber to the Building) for small office network environment of enterprises.


Technical Specifications

◆Operating standards:  

IEEE802.3 10Base-T Ethernet,

IEEE802.3u 100Base-TX/FX Fast Ethernet, 

IEEE802.3ab 1000Base-T , 

IEEE802.3z 1000Base-SX/LX Gigabit


◆MAC address table: 4K

◆Data Buffer: 256K

◆Connector: UTP: RJ-45,10/100/1000Mbps;  Fiber: SC,1000Mbps

◆Cable :

UTP cable: Cat 5e or Cat 6 (the max distance up to 100m)

Fiber : multimode : 50/125, 62.5/125μm (the max distance up to 550/224m)

Singlemode : 8.3/125, 8.7/125, 9/125μm (the max distance up to 120km)

◆Connector: FC/PC or SC or SFP port

◆Flow control  

Full Duplex:  IEEE802.3x

Half Duplex: back pressure.

◆Conversion mode: Medium conversion

◆Delay: <10μs

◆Bit error rate: <1/1000000000

◆MTBF: 80,000 hours


POWER (power),

FX LINK (fiber link action),

TP LINK1000 (twisted pair connection 1000M)

TP LINK100 (twisted pair connection 100M),

TP ACT (twisted pair packet forwarding action)

FDX (Ethernet interface mode indicator ON, Full duplex/ OFF, Half duplex)

◆Power Requirement:

Input :AC 170 ~ 240V or DC -36V-72V

Output:DC 5V 2A

◆Power consumption: 5W

◆Ambient temperature:0 ~ +50℃

◆Storage temperature:-20 ~ +70℃

◆Humidity:5% ~ 90%

◆Dimensions: Internal power:  30×110×140mm

◆External power:  26×70×93mm

Fiber Information



Fiber type


Max. distance

TX power


Link Budget




Order Information


Product description


10/100/1000M SFP Slots Media Converter, without SFP module



Each product is packed in a high quality PE bag, Then put into a box or carton and secured by 2 inserts.

Last put each box into pallets and properly wrapped for sea or air voyage.

Payment and Shipment


Standard payment terms: T/T 30% DEPOSIT,70% BANLANCE before shipping.

Online trade assurance order,all is up to you.

More payment terms could be provided(PAYPAL,WESTERN UNION,MONEYGRAM).


Delivery time:Generally it is 1-2 days if the goods are in stock,or it is 2-4 days if the goods are not in stock,it is according to quantity.



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