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105 Main
105 Main

GAOTek 4-Port 10/100Base-Tx and 1-Port 100Base-Fx Ethernet Switch

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GAOTek 4-Port 10/100 Base-Tx and 1-Port 100 Base-Fx Ethernet Switch has four RJ-45 Ethernet ports and one optical port thus assuring the easy implementation and expansion of 100Base-TX/FX networks. The switch is completely transparent when connected so the network performs and also it enables the co-existence of both copper and fiber mediums. Added flexibility is available with ST, SC, FC and SFP connectors. Extra distances are possible with the single mode version delivering up to 49.70 mi (80 km) connectivity per transmitted segment. It allows the installation of fiber cabling anywhere within a Fast Ethernet network topology by directly connecting to existing devices and its compact modular design facilitates deployment in a narrow desktop location to save space.

Key Features:

  • Complies with IEEE802.3, IEEE802.3u standard
  • Provides 4-port 10/100M RJ-45 and 1-port fiber ports
  • Supports auto duplex(HDX/FDX) auto MDI/MDIX function
  • Auto MDI/MDI-X support on RJ-45 port
  • Supports jumbo frame size 2K bytes
  • Status LED for easy monitoring of device status
  • Fanless design, natural cooling

Technical Specifications:

Interface 4 × Ethernet port (RJ45) 10/100Base-Tx

1 × Optical port (1×9 or SFP) 100Base-Fx

Optical Port Available for 1310 nm/1490 nm/1550 nm Single mode, 1310 nm Multi mode

Transfer Distance: up to 74.5 mi (120 km)

Connectors: SC, ST and FC optional

Fiber core: 9 µm/125 µm on single-mode fiber; 50 µm /125 µm and 62.5 µm /125 µm on multi-mode fiber

Ethernet Port Cable: Cat 5/5e/6 UTP cable

Available speed: force 10 Mbps, force 100 Mbps and auto-detective 10 Mbps/100 Mbps. Full-Duplex and Half-Duplex auto-negotiation

Connectors: RJ-45 Connector; MDI/MDI-X connection auto-sensing

Status IEEE802.3 (10Base-T)
IEEE802.3u (100Base-TX)
LED Indicators Power Status, Speed, FX Link/Act, TX Link/Act
Power Requirement 12 V DC, External AC to DC adapter
Operating Temperature 14 °F to 158 °F (-10 °C to 70 °C)
Storage Temperature 14 °F to 158 °F (-10 °C to 70 °C)
Operating Humidity 10 % RH to 90 % RH (non-condensing)
Storage Humidity 5 % RH to 90 % RH (non-condensing)

Additional Information:


  • In the installation of fiber cable network
  • Ideal for(FTTH) optical fiber solution
  • Ideal for city optical fiber networks


The following illustrates typical applications for this GAOTek Fiber Switch. The actual distances will depend on several factors including the quality of cables used and the terminal equipment employed.


Ordering Information

Double Fiber Description
GAO-FSC-105-A 100Base-Fx to 4*10/100Base-Tx, Multi-mode, 1.24 mi (2 km), SC/ST/FC optional
GAO-FSC-105-B 100Base-Fx to 4*10/100Base-Tx, Single mode, 15.53 mi (25 km), SC/ST/FC optional
GAO-FSC-105-C 100Base-Fx to 4*10/100Base-Tx, Single mode, 24.85 mi (40 km), SC/ST/FC optional
GAO-FSC-105-D 100Base-Fx to 4*10/100Base-Tx, Single mode, 37.28 mi (60 km), SC/ST/FC optional
GAO-FSC-105-E 100Base-Fx to 4*10/100Base-Tx, Single mode, 49.70 mi (80 km), SC/ST/FC optional
Single Fiber
GAO-FSC-105-F 100Base-Fx to 4*10/100Base-Tx, Bi-Directional, 15.53 mi (25 km), SC/ST/FC optional
GAO-FSC-105-G 100Base-Fx to 4*10/100Base-Tx, Bi-Directional, 24.85 mi (40 km), SC/ST/FC optional
GAO-FSC-105-H 100Base-Fx to 4*10/100Base-Tx, Bi-Directional, 37.28 mi (60 km), SC/ST/FC optional
GAO-FSC-105-I 100Base-Fx to 4*10/100Base-Tx, Bi-Directional, 49.70 mi (80 km), SC/ST/FC optional
SFP Port
GAO-FSC-105 (SFP) FE SFP port to 4*10/100Base-Tx
Optional SFP 
SFP-SX-MM-1 155 Mbps, 1310 nm, 1.24 mi (2 km), Duplex LC
SFP-LX-SM-2 155 Mbps, 1310 nm, 12.42 mi (20 km), Duplex LC
SFP-LX-SM-3 155 Mbps, 1310 nm, 24.85 mi (40 km), Duplex LC
SFP-ZX-SM-4 155 Mbps, 1550 nm, 49.70 mi (80 km), Duplex LC



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