Stopping an LU-LU Session by a PLU

A PLU can end an LU-LU session in either of two ways:
  • By sending a CLEAR command and then an UNBIND command, or an UNBIND command only. Either method results in an immediate ending.
  • By sending the Shutdown (SHUTD) command. This command results in an orderly session termination. The SLU and PLU have a dialog that tells each to stop sending data and that ensures that data already sent is received.

Ending the LU-LU session has no effect on the SSCP-LU session.