The figure below shows the available GX5296 front panel I/O connectors:

GX5296 Front Panel Connectors
The GX5296 has 2 connectors. All the connectors are available on the instrument’s front panel. The GX5296 has the following connectors:
J1 I/O Signals - 68-pin VHD |
Programmable I/O Levels Data Connector Signals. |
J3 Timing - 68-pin VHD |
Timing & Aux Signals (timing signals are not available on slave boards for a multi-card digital domain configuration) |