... SDI Fiber Optic transceiver, 40km, CWDM wavelength, 19" 3RU rack for global market Features3G-SDI/HD-SDI/SD-SDI signal auto ... made of aluminum, elegant appearance, light weightDual switching power supply design, wide voltage range, reliable long-term runningA variety ... : 1) 3RU 19” rack(up to 17-channel, dual AC/DC power supply, particularly suitable for large volume optical transmission platform ...