Keysight (Agilent) M9021A PCIe Cable Interface

The Keysight M9021A PCIe Cable Interface is a 3U, single-slot module that establishes extended-distance PCIe connectivity between a Keysight M9018A PXIe Chassis and an external host computer. It has transparent access to all PXI and PXIe modules within the chassis, enabling remote instrument control and high-speed data transfer via cabled PCIe links up to 2 meters in length.

Technical Specifications

• PCIe Architecture: Gen 2, x8 lane configuration


• Per-Lane Data Rate: 5 GT/s


• Maximum Data Bandwidth: 4 GB/s (external computer to PXIe backplane); 2 GB/s (between chassis)


• Power Consumption: 5 W (typical)


• Power Supply: 3.3V and 12V from M9018A chassis backplane top connector


• Operating Temperature Range: 0 to 55 °C


• Form Factor: 3U PXI, occupies one slot

Key Features

• Front panel x8 PCIe iPass connector for host connection


• Direct x8 link to PXIe backplane


• Compatible with x8 cabled PCIe connectors and passive cables up to 2 meters


• Switchable configuration: Target mode (slot 1) or Host mode (hybrid slots 2, 6, 11, 15) via S301 DIP switch selection


• Typical power draw of 5 W minimizes thermal load on chassis

Interfaces & Cabling

• Single x8 PCIe iPass front panel connector


• External connection via standard x8 cabled PCIe cable


• Keysight Y1202A (2 meter, x8) and 0.5 meter x8 PCIe cables available as accessories

Compatibility & Integration

• Designed exclusively for the M9018A PXIe Chassis; not compatible with standard PXIe system slots in other platforms


• Pairs with Keysight M9048A Gen 2 x8 Host PC card for optimal performance


• Supports Windows 7 and Windows 10 (32-bit and 64-bit editions)


• Compatible with IVI-COM, LabVIEW, and IVI-C compliant drivers


• Required power sequencing: power on chassis before host PC; power down host PC before chassis