Multi-Protocol Breaker

Multi-Protocol Breaker

Part Number: QTL2602

Product Details

The Multi-Protocol Breaker is a versatile tool from Quarch, a standalone fault injection and monitoring device for testing critical communication links in the automotive, aviation, and aerospace industries.

Using simple pluggable terminal blocks, the breaker connects to a wiring loom.  It can support many communication links from RS-232 to Ethernet.

When in place, we can create physical layer interruptions from short data glitches to permanent failures.  This allows our customers to prove that their links are fault-tolerant and appropriately redundant.

Power and our data lines are supported. In addition to fault injection, we can also monitor the signals in real-time. Plus record them for later analysis.

QPS logo
QPS – Quarch Power Studio
TestMonkey GUI
TestMonkey GUI



  • Connect into a wiring loom with a power rail and up to 4 data lines.
  • Inject physical later events and faults including hot-plug, pin-bounce, glitch and link failure
  • Real-time monitoring of bus transitions and capture using Power Studio or python script

Technical Specifications

  • Power rail switching: Up to 25 Volt, 8 Amp
  • Data switching: -15V to +15V, 30mA
  • 1 power rail, 4 data lanes, 1 ground
  • External trigger ports for timed events
  • Compatible with Quarch Power Studio for long term capture of digital signals at 250KHz
  • Power from 12v or PoE
  • Control via USB or LAN

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