The NI PXI-2535 is a 544-crosspoint, 1-wire FET matrix switch with a 4 × 136 topology for routing low-power DC signals.
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Key product information and technical features.
This high-density PXI matrix provides signal routing for semiconductor and printed circuit board validation systems. NI identifies hardware-triggered deterministic operation and onboard relay counting as additional capabilities.
Verified product specifications.
| Topology | 1-wire 4 × 136 matrix |
|---|---|
| Maximum switching voltage, channel-to-ground | ±12 VDC; 8 VAC (AC peak convention) |
| Maximum switching current | 100 mA |
| Maximum switching power per resistive channel | 1.2 W |
| Maximum scan rate | 50000 crosspoints/s |
| Simultaneous drive limit | 544 switches |
| Row-to-column path resistance | 9 typical; 14 maximum Ω |
| I/O connectors | Four 68-pin VHDCI receptacles |
| Form factor | 3U, one-slot PXI/cPCI module |
| Operating temperature | 0 to 55 °C |
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Manufacturer
Hardware platform
Matrix switching module
NI lists the TBX-68 connector block, part number 777141-01, as an accessory for module part number 778572-35. Follow the documented cabling and shielding requirements.
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Product-specific answers based on available technical information.
It uses a 1-wire 4 × 136 matrix with 544 crosspoints.
No. NI specifies a simultaneous drive limit of 544 switches. Electrical operating limits still apply.