The Skaarhoj ETH-B4 interface allows control on broadcast lenses in Blackmagic URSA and Studio series cameras. This small device interprets Blackmagic Design's camera control protocol over UDP and translates it to provide a two-way communication between any Skaarhoj controller and a B4 lens. In addition to aperture control, the Skaarhoj SDI-B4works as a tally by incorporating a small LED light, which will indicate whether the selected camera is in preview or program. This Skaarhoj Link Series device is a rugged, self-contained controller (its case is made of anodised aluminium plates that offer high resistance) capable of controlling up to 10 Blackmagic Design cameras, selectable using the rotary switch on one end.
The Skaarhoj ETH-B4 interface allows control on broadcast lenses in Blackmagic URSA and Studio series cameras. This small device interprets Blackmagic Design's camera control protocol over UDP and translates it to provide a two-way communication between any Skaarhoj controller and a B4 lens. In addition to aperture control, the Skaarhoj SDI-B4works as a tally by incorporating a small LED light, which will indicate whether the selected camera is in preview or program. This Skaarhoj Link Series device is a rugged, self-contained controller (its case is made of anodised aluminium plates that offer high resistance) capable of controlling up to 10 Blackmagic Design cameras, selectable using the rotary switch on one end.
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| Avacab Official Reseller |
The ETH-B4 interface, part of the Skaarhoj Link series, is similar to Skaarhoj SDI-B4 Link interface, but the data input is performed over Ethernet instead of via SDI. The protocol in this case is also Blackmagic Camera Control, but over UDP ("UDP Camera Control") and is normally used to control the communication between Blackmagic Cameras and their mounted Canon or Fujinon B4 lenses from any Skaarhoj controller.
With the Skaarhoj ETH-B4 Link, the iris control data is sent separately from the camera control data via Ethernet. The ETH-B4 Link has a camera selector that sets a camera identification filter as well as its IP address. Based on the iris data it receives, it is able to send settings using the Hirose-12 pin connector. It is also able to interpret whether the camera is in preview or program, and show it thanks to the relay and a small built-inLED light.
Data sheet
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| Avacab Official Reseller |
Hardware specs | |
3-pin phoenix connector | 1 |
Selector Switch | 1 |
Hirose 12-pin connector | 2 |
Product W x D x H (mm) | 355 x 105 x 115 |
Weight (g) | 1289 |
Country of Origin | Denmark |
In the box | 12V power supply Micro USB cable |
Connectivity | |
Programming Port | Micro USB |
Networking Port | RJ45 Ethernet |
Power Supply | 12V |
Recommended cables (not in the box) | LAN Cat 6 S/FTP or better |
Operation | |
Universal Control | More than 300 compatible devices |
