The Keysight 34931T is a terminal block for the 34931A dual 4x8 armature matrix. This terminal block is used for discrete wiring. It supports up to 20 AWG wire size typical for <100 connections or 24 AWG for >100 connections. The 34931T is a detachable terminal block with screw-type connections that provides a flexible method for connecting external wiring.

For more detailed information, please see the document linked here beginning on page 31.

On the 34931T terminal block, only two sets of screw terminals are for use with the 34931A module. See the following drawing: