First, PNODE and SNODE are primary node and secondary node. They will not both be used in one transfer by the same machine -- one is the sending node and one is the receiving node, so they are on opposite ends of the file transfer.
Second, questions like this about commands for a software product are best addressed to the vendor. If your site has a license for the software, you have access to vendor support and can raise that issue with the vendor. You may, or may not, get an answer on a forum since responses will depend upon people having knowledge of the product.