The GX6377 is a single slot 3U PXI/CompactPCI switching card combining different types of relays. The card contains high-power switching relays and two groups of 16x2 switch matrix for small signal switching. The high-power switching relays consist of 5 high current Form A SPST relays, 4 Form A SPST relays and 4 Form C relays. The Switch Matrix has a basic configuration of two groups of 2x16 and can be programmatically configured as one group of 2x32 or configured through jumpers as 4x16.
Side view of the GX6377:

GX6377 Multifunction Switching Card