... mini size pocketable; or module style, or 19" 3RU rack Chinese 3G-SDI, HD-SDI, SD-SDI optical fiber transmission, 40km ... is made of aluminum, elegant appearance, light weightDual switching power supply design, wide voltage range, reliable long-term runningA variety of ... ” rack(up to 17-channel, dual AC/DC power supply, particularly suitable for large volume optical transmission platform construction);2 ...