Pole Switched Matrices

There are router restrictions for various Pickering matrices called Pole Switched Matrices.

SubUnit Type = MATRIXP

More info refer to Pole Switched Matrices.

Pickering MATRIXP Module Range

i.e. 40-505..509, 40-541..542, 40-567..568, 40-575..579, 40-596..598, and more

Background

This type of matrix is optimized for density but has switching limitations: Only one crosspoint per column can be switched simultaneously.

Router Behaviour

The router does not know about pole switched matrices and handles the routing like using a standard matrix.

Although if closing 2 crosspoints in one column SPM returns an error.

Example:

Connecting Y7 with Y12 via column X6 requires 2 crosspoints and thus prohibited.

Error: "Invalid channel closure or write pattern for pole switched matrix sub-unit"

Applying pre-defined routes/multi-point routes or route groups to Pole Switched Matrices can end up in an error because the router tries to close more then one crosspoint in a column which is not possible.

Example:

A multi-point route Y4-X2-X7 might result in a crosspoint setting shown in the left image or in a crosspoint setting shown in the right image, which is not possible.

To avoid this restriction, always use endpoint connections instead of multi-point routes when using Pole Switch Matrices and use the row signal as a starting point:

SPM_Switch_ConnectEndpoints ("Y4", "X2, X7")

Note: If SPM runs in Offline Mode then the error will not be seen because the error will only be generated from the connected hardware.