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    HDA-1911 / HDA-3911: 3G/HD/SD SDI Distribution Amplifier (DA) Datasheet (DS-PUB-2-0388A-EN) File size: 450.3 KB, posted Sep 03 2020
    The HDA-1911 and HDA-3911 from Grass Valley are 3G/HD/SD SDI video distribution amplifiers (DAs) that support a variety of compressed and uncompressed serial digital video signals.

    The HDA-1911 and HDA-3911 provide up to nine reclocked outputs with automatic equalization for up to 200 meters (656 feet) of cable using Belden 1694A at 1.5 Gb/s and up to 100 meters (328 feet) at 3 Gb/s.

    The HDA-1911 and HDA-3911 offer fiber connectivity, making it ideal for longer cable lengths. Critical applications protection is provided by a protection bypass relay available on selected rears.

    The HDA-1911 and HDA-3911 share the same feature set and specifications, except that HDA-1911 is a 2 RU card built for the Densité 2 frame while the HDA-3911 is a 3 RU card made for the Densité 3 frame series. Each product has its specific rears as illustrated in the Key Features section and in the ordering information.