Mil1394 (AS5643) Repeater - Overview

Over the last few years DapTechnology has built a large variety of different repeater models. Starting with simple one-channel node-replacements (RB400T) the requirements grew with the different aerospace programs. By now we have built about 25 different configurations. They span from multi-channel configurations to fibre-optics and EMI hardened solutions.

Until now these repeater projects were handled strictly as custom solutions that originated from one particular off-the-shelf design and they were not really COTS. There was always a certain amount of engineering involved with a new customer requirement. But after having built so many different configurations we now feel confident to actively promote the entire product range. All the engineering is done and it is just a matter of bringing together the individual components. We still can't put them all on the shelf but at least we now have a wide variety of solutions that we can offer with one part numbering scheme. And should you still not be able to get your entire repeater project covered within that COTS offering then we can always put our expertise to work and assist you in defining, designing and building your special repeater.

Please click on image to download overview datasheet.

Construct your own Repeater!

DapTechnology has created an elegant part numbering scheme to cover all different aspects and configurations of aerospace compliant repeaters. Please check the graphic below as well as the following sections for detailed explanations and configuration steps.

Summary: The individual components of this part number represent space holders for sequence of numbers and letters that uniquely describe a specific feature of the repeater. For example the Repeater Type defines the overall connectivity scheme, i.e. it describes via what media (copper, fiber, UTP) the individual ports are connected to other devices. Configuration describes the overall physical arrangement of the interconnectivity (how many PHY ports are connected to a connector and how these connectors are physically arranged on the housing. Even though the different physical media defined in Repeater Type define maximum transmission speeds the Speed Mode is an essential component as for certain A&D programs the transmission speeds might want to keep set to certain (maximum) levels (e.g. S200 or S400). Channel Number refers to the total count of independent bus channels supported within one repeater. The maximum channel count we had so far was a 12 in a rather complex multi-channel repeater system. An important manufacturing criteria for each repeater assembly are the overall Power Options and the corresponding string defines supply voltages (12V or aircraft power), battery options, etc. . Housing details like material, size and surface finishes are defined in Housing Type and Housing Finish. Connector Details specs what 38999 connectors are used (material, pin gender, …). Special Options allows to define further details like connector keying and leaves room for further expansions. For further details of how to determine your unique part number please use the following links to the Configurator pages. They will guide you through the process of determining all different possibilities by listing valid parameters.

Click on the icon to see standard repeater details (applicable to all repeaters unless specified differently).   

Cable Harnesses

DapTechnology has also built a variety of accompanying cable harnesses. We only use qualified wires from W.L. Gore and are able to build suitable connector interfaces to your project. Below are a few ideas. However, we want to emphasize that we are by no means limited to these configurations (connectors, cable lengths, etc.....). Please consult us directly to discuss your detail needs.