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HP ProCurve 10-GbE CX4 Media Converter (J8439A) is an optical media converter that connects to CX4 ports, providing 10-Gigabit connectivity up to 300 m on multimode fiber.
Dimensions: 2.83(d) x 0.98(w) x 0.59(h) in. (7.19 x 2.49 x 1.5 cm)
Weight: .06 lb. (0.03 kg)
The CX4 Media Converter connects directly to the CX4 port, and a 12-strand multimode ribbon cable is used between CX4 Media Converters.
The 12-strand multimode ribbon cable can have either 62.5 or 50 micron core diameters, terminated by standard Multiple Terminations Push-pull Latch (MTP) connectors in a crossover configuration. The ribbon cables are known as Multi-fiber Push (MPO).