The Keysight L4491A provides the switch drive control and space to mount all the most popular switches and attenuators. It comes standard with 64 coil drives integrated into the enclosure. An additional 64 coil drives can be added with option 002. The 4U version features a unique switch mounting system so that switches and attenuators are mounted vertically in the enclosure for a compact, reliable solution to meet your custom needs. The distribution boards provide the right power and control signals from the driver to the switches using standard ribbon cables enabling simple connections to the switches. Switch sequences, verification, relay counts and the graphical Web interface ensure quick set-up and help reduce the time for troubleshooting and repair. The RF Switch Platform easily integrates into your test environment with standard rack mount kits, LAN and GPIB connectivity, graphical Web interface and software drivers for the most common programming environments.