The Keysight U2751A is a USB modular switch matrix designed to establish flexible connection paths between multiple test instruments and various points on a device under test. This 4×8 two-wire matrix with 32 crosspoints operates at up to 45 MHz with -30 dB crosstalk, delivering maximum switching times of 4 ms. The module handles up to 42 V / 2 A in standalone operation, with channel resistance power loss limited to 6 W per module.
The U2751A connects via high-speed USB 2.0 (480 Mbps) using USBTMC-USB488 standard and communicates through a DB25 connector. It operates independently or integrates into the U2781A USB Modular Product Chassis for expanded multi-module configurations. Power consumption is +12 VDC at 2 A maximum.
– Technical Specifications
• Matrix Configuration: 4×8 two-wire with 32 two-wire crosspoints
• Bandwidth: Up to 45 MHz (without terminal block)
• Crosstalk: -30 dB at 45 MHz
• Switching Time: Maximum 4 ms
• Power Handling (Standalone): 42 V / 2 A maximum
• Channel Resistance Power Loss: 6 W per module maximum
• Multiple Closed Channels: Supported simultaneously
• Relay Cycle Counter: Included
• Power Consumption: +12 VDC, 2 A maximum
• Module Dimensions: 120.00 mm (W) × 183.00 mm (D) × 44.00 mm (H) with bumpers
• Weight: 480 g with bumpers; 428 g without bumpers
– Key Features
• SCPI and IVI-COM command standards supported
• Bundled BenchVue USB Modular Switch Matrix App with Command Logger and Code Converter
• Agilent Measurement Manager (AMM) integration for streamlined configuration and data logging
• Operating temperature range: 0 °C to +50 °C
• Relative humidity: 20% to 85% RH (non-condensing)
• IEC 61010-1:2001/EN 61010-1:2001 and IEC 61326-1:2002/EN 61326-1:1997+A2:2002 certified
– Compatibility & Integration
Supports development in Keysight VEE, NI LabVIEW, Microsoft Visual Studio, Visual Studio .NET, C/C++, Visual Basic 6, and Microsoft .NET Framework. Compatible with U2922A terminal block and U2781A chassis. Windows operating systems required; Windows 7 (32-bit and 64-bit) supported.
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