If you specify 'R', you are telling the local node that it is a receive only node and that it will not send anything. Because of this, specifying R and P contradict each other. You cant be a receive only node and send passwords.
So to send passwords to SYV from SYSZ and vice versa, you will need the following commands:
On SYSZ, to send passwords only SYSV and SYSX. It will receive commands and passwords from SYSV and SYSX.