SpaceWire Link Analyser Mk2

The SpaceWire Link Analyser Mk2 combines the functionality of the previous Link Analyser and SpaceWire Monitor, and in addition to many new hardware and software features it enables users to easily gather and analyse data on a SpaceWire link. The Link Analyser Mk2 connects between two SpaceWire devices and a host PC, via the USB port, running the supplied host software.

The SpaceWire Link Analyser Mk2 unobtrusively monitors the SpaceWire link, and provides statistical information in the host software. Data can be captured by the device around a user-specified trigger event, e.g. a disconnect error. The data captured can be viewed as a link level trace (individual n-chars and l-chars), a packet level trace, or a signal level trace (Data and Strobe waveforms).

Faults and errors can also be easily injected into the link to help validate the systems performance and error handling. Screenshots and further explanations of the software are available in the datasheet below. New features in the software include RMAP and emerging protocol analysis, making it easy to decipher RMAP commands being passed across the link. Emerging protocols will be available by update when they are published.

A new API has also been introduced for script automation and coordination with EGSE test equipment. Extra support for running multiple Link Analyser Mk2s has also been added, making it easier to differentiate which instance of the software is responsible for each device.

In hardware, the SpaceWire Link Analyser Mk2 has significantly increased memory which can store up to 16 million events. Support for connecting a logic analyser is also present with 38-pin Mictor connectors (currently supports connection on Logic Analyser 1 port only).

External triggers allow the user to connect a variety of different test equipment and synchronise their measurements with the Link Analyser Mk2.

Product Features

  • Unobtrusive monitoring between two SpaceWire devices, simple connection to PC via USB 2.0 interface

  • Contains 2 x SpaceWire ports, 1 x USB 2.0 port, 2 x 38-pin MICTOR logic analyser connectors (one operational), 2 x SMB connectors (Trigger In and Trigger Out)

  • Link level, packet level, and signal level traces in software, easily displayed in SpaceWire terms

  • RMAP, emerging protocol, and custom protocol analysis

  • User API for EGSE purposes

  • Fault injection capabilities

  • Captured data search capability makes it easy to find specific events and data sequences

  • Data dump allows easy export of raw data

  • Large trace memory (up to 16 million events) with selective tracing to filter out unwanted characters

  • 19” rack mountable, also available from STAR-Dundee

  • Software and accessories included:

    • Windows drivers (Windows 10, 8, 7, Vista, XP, 2000)
    • Linux drivers (2.6 to 3.10 Kernels)
    • Link Analyser Software
    • API for C, with example code and guidance
    • Software and API user manual
    • USB cable
    • 1 year’s technical support and maintenance

Technical Specs

  • Part Number


  • Size
    • 110 x 30 x 112 mm (approx., excluding feet)

  • Power
    • +5V DC, main power brick supplied

  • SpaceWire Ports
    • Compliant to SpaceWire Standard ECSS-E-ST-50-12C (formerly ECSS-E50-12A) and provides support for RMAP (ECSS-E-ST-50-52C)

    • Number of SpaceWire Ports: 2

    • Maximum Speed: 200 Mbits/s

    • Connectors: 9-pin micro-miniature D-type

    • LVDS signalling: Using Xilinx LVDS

  • USB Port
    • USB 2.0 (480 Mbits/s)

  • Trigger input and output
    • SMB connectors with +3.3V signal level and 5V tolerances

  • Trace Memory
    • Capacity for up to 16 million events

    • ±100% post / pre-triggering

  • EMC
    • CE/FCC Certified