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TRANSITION E-100BTX-FX-05(SM)NA Fast Ethernet 100BASE-TX to 100BASE-FX Stand-Alone Media Converters 100 Mbps 1xRJ45,1x100Base-FX

  • 100 Mbps
  • 1xRJ45,1x100Base-FX

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

E-100BTX-FX-05(SM) Fast Ethernet Media Converter extend Network Distance Used in pairs, this media converter can extend distances between two twisted pair switches or a switch and a server up to 20 km over single mode fiber.

Learn more about the Transition Networks E-100BTX-FX-05(SM)NA




IEEE Std. 802.3 100BASE-FX, 100BASE-TX
Max Distance
12.4 miles
Transfer Rate
100 Mbps
- Power
- SDF or LKF (Link Fiber)
- SDC or LKC (Link Copper)
- RXF (Receive Fiber)
- RXC (Receive Copper)
Power Adapter
External AC/DC required: 12 VDC, 0.5 A, unregulated, standard


0° ~ 50° C
5-95% (non-condensing)


Operates under heavy traffic loads without excess heat, so there is no need for a failure-prone internal fan.

Round trip delay of only 40 bit times—far below the Class II rating of 92 bit times.

Auto-Negotiation (802.3u)

- Allows devices to perform automatic configuration to achieve the best possible mode of operation over a link.


- Automatically detects and configures the twisted pair port on the converter to the correct MDI or MDI-X configuration.

Link Pass Through

- Link Pass Through is a troubleshooting feature that allows the media converter to monitor both the fiber and copper RX ports for loss of signal.

Far End Fault (FEF)

- A troubleshooting feature that is generally used in conjunction with Link Pass Through to notify both end devices of a loss of link.

Automatic Link Restoration

- Transition Networks's converters will automatically re-establish link in all network conditions.

Pause (IEEE 802.3xy)

- Pause signaling is an IEEE feature that temporarily suspends data transmission between two devices in the event that one of the devices becomes overwhelmed.

The converters will also automatically re-establish link when connected to two 10/100 auto-negotiating switches if link is lost. With other manufacturers' converters the user must intervene to re-establish link.

Dimensions & Weight

4.7 x 3 x 1 in

Manufacturer Warranty

1 year limited
1 year limited
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Transition Networks E-100BTX-FX-05(SM)NA

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Volume Discounts
  • 2-5 $445.49 ea.
  • 6-11 $440.99 ea.
  • 12+ $438.74 ea.

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