Routing codes send system messages to the consoles where they are to be displayed. More than one routing code can be assigned to a message to send it to more than one console. For more information on message routing, see the following documents:

• z/OS MVS Programming: Authorized Assembler Services Guide
• z/OS MVS Programming: Authorized Assembler Services Reference SET-WTO
• z/OS MVS Installation Exits
• z/OS MVS Initialization and Tuning Reference