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TRANSITION J/GE-CF-01(SX)-NA Just Convert-IT Stand-Alone Media Converter 1 Gbps 1 x network - Ethernet 1000Base-SX - SC multi-mode female x 2 1 x network - Ethernet 1000Base-T - RJ-45 female

  • 1 Gbps
  • 1 x network - Ethernet 1000Base-SX - SC multi-mode female x 2 1 x network - Ethernet 1000Base-T - RJ-45 female

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

1000BASE-T to 1000BASE-SX Media converter is an inexpensive, no frills way to extend the distance between Gigabit Ethernet connections with the use of fiber optic cable, while maintaining the same quality and reliability found on Transition's full-featured line of products.

Learn more about the Transition Networks J/GE-CF-01(SX)-NA




IEEE 802.3, IEEE 802.3u , CE, FCC Class A certified, CSA, UL, CISPR 22 Class A, EN55024, EN55022 Class A
1 x network - Ethernet 1000Base-SX - SC multi-mode female x 2
1 x network - Ethernet 1000Base-T - RJ-45 female
Max Distance
1800 ft
Transfer Rate
1 Gbps


32 °F ~ 122 °F
5 - 95%


Cabling Type: 1000Base-SX, 1000Base-T

Data Link Protocol: Gigabit Ethernet

Enclosure Type: External

Power Consumption Operational: 3.2 Watt

Dimensions & Weight

3" x 4" x 1"
0.4 lbs.
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 J/GE-CF-01(SX)-NA

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  • Benjamin C.
  • 1/15/2012 11:03:13 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice product

Pros: It works! It's fast. It's small.

Cons: We had some trouble with certain switches not linking to the copper port. We tried regular and crossover cables, no dice. Other switches worked fine.

If I had to guess, I'd say it's something to do with the port speed negotiation because the switch that worked seemed to default to 1G rather than 100Mbs.

There was nothing in the instructions about this.

Heck, knowing my luck, I happened to have the one and only switch that this won't work with.

Other Thoughts: This unit fit our application exactly.

We opted for the rack-mount kit which makes the unit look even more at home our rack.

Despite the small hang-up during install with the switch compatibility, after we swapped some Ethernet switches around, it's been racing along ever since.

I would certainly buy more of these if the need arose.

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