SCHROFF DSC-652TH – Card Extender Test Adapter | VMEbus / cPCI Platform
Engineering Background
SCHROFF, a Pentair brand headquartered in Straubenhardt, Germany, has been the benchmark for European industrial enclosure and backplane engineering since 1958. The DSC-652TH Card Extender Test Adapter is a precision in-circuit diagnostic tool engineered for VMEbus and compatible parallel-bus architectures, enabling field engineers and R&D teams to perform live board-level testing without removing the target card from its operational slot.
Product Positioning
Designed for avionics test benches, industrial control validation labs, and defense electronics MRO environments, the DSC-652TH bridges the gap between passive extender cards and active signal-monitoring solutions. It allows oscilloscope probing, logic-analyzer attachment, and thermal imaging access to a fully powered PCB in its native backplane environment — eliminating the signal-integrity compromises introduced by off-board test fixtures.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | SCHROFF (Pentair) |
| Part Number (Primary) | 0660-01039 |
| Part Number (Secondary) | 810-031325-002 |
| Model / Series | DSC-652TH |
| Function | Card Extender Test Adapter |
| Compatible Bus Architecture | VMEbus (IEEE 1014), compatible cPCI derivatives |
| Country of Origin | Germany (DE) |
| Weight | 20 g |
| RoHS Compliance | Refer to SCHROFF datasheet |
| Operating Temperature | Refer to SCHROFF datasheet |
Proven Application Environments
- Defense & Aerospace MRO — In-situ board diagnostics on VME-based mission computers and radar signal processors
- Industrial Automation R&D — Live signal tracing on PLC backplane cards during firmware validation cycles
- Telecommunications — Fault isolation on cPCI carrier-grade platform boards without service interruption
- Test & Measurement Labs — Integration with logic analyzers and oscilloscopes for protocol-level debugging
- Academic & Research Institutions — Embedded systems coursework requiring real-time bus observation
Engineering Advantages
- Native Slot Operation — Board remains fully powered and bus-connected during probing; no signal-path interruption
- SCHROFF Precision Manufacturing — Gold-plated edge connectors and controlled-impedance PCB traces maintain signal integrity at high bus speeds
- Thermal Access — Extended card geometry exposes component topside for IR thermography and heat-sink attachment
- Probe-Friendly Layout — Wide pitch test points compatible with standard 0.1″ oscilloscope probes and logic-analyzer clips
- Passive Design — No active components; zero risk of introducing noise or loading effects onto the DUT bus
System Architecture & Signal Flow
The DSC-652TH inserts between the target PCB and the VME backplane J1/J2 connector rows. All 96 pins (P1) and optional P2 signals are passively routed through the extender PCB to the target card’s edge connector. The extended card geometry — typically 160 mm beyond the standard Eurocard footprint — exposes the full component surface for probing. Signal integrity is maintained through matched-length trace routing and controlled dielectric spacing on the extender PCB substrate.
Sourcing & Quality Verification
- All units sourced from authorized SCHROFF distribution channels or verified OEM surplus with full traceability documentation
- Each unit inspected for connector integrity, PCB delamination, and gold-contact oxidation prior to dispatch
- Part numbers cross-referenced against SCHROFF official BOM: 0660-01039 / 810-031325-002
- Certificate of Conformance (CoC) available upon request for defense and aerospace procurement
- Anti-static packaging with humidity indicator card included
Procurement Process
- Confirm part number compatibility with your VME chassis slot pitch and card format (3U / 6U)
- Submit purchase order via Konmask.com checkout or contact support@konmask.com for volume pricing
- Lead time: typically 1–3 business days for in-stock units; 5–10 business days for sourced orders
- Shipping: DHL Express / FedEx International Priority with full tracking and export documentation
- Returns: 30-day DOA policy; contact support with photos and part number for RMA authorization
Technical FAQ
Q: Is the DSC-652TH compatible with 3U and 6U VME cards?
A: Please verify the slot pitch and connector row configuration against your chassis spec. Contact us with your chassis model for confirmation.
Q: Does the extender introduce any bus loading?
A: No. The DSC-652TH is a fully passive design with no active drivers or terminators. Bus loading is negligible and within VMEbus specification.
Q: Can I use this with a cPCI backplane?
A: The DSC-652TH is primarily designed for VMEbus. cPCI compatibility depends on connector pitch — contact our engineering team for a compatibility assessment.
Q: Is a datasheet available?
A: Yes. Contact support@konmask.com with your inquiry and we will provide the official SCHROFF datasheet and application notes.
Q: Do you offer quantity discounts?
A: Yes. Volume pricing is available for orders of 5+ units. Request a formal quotation via email.
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