Organizing OMS Output Devices in Logical OMSs (SAP Library

Organizing OMS Output Devices in Logical OMSs

The logical OMS (LOMS) concept lets you group output devices according to how they use the external output management system. This section explains how this concept can be useful to you.

You can assign all of your R/3 OMS output devices to a single LOMS. Only a single LOMS is required.

However, it can be useful to group R/3 OMS devices into separate LOMSs for these reasons:

Using separate sets of operating system specific commands: If your OMS is running on several platforms, you can define a different set of OMS commands for each operating system.

Example: You have special printers that require extra SUBMIT command options. You can meet this requirement by assigning these printers to their own LOMS. You can then define a special command set that uses the special options for the LOMS.

If you want to change commands that apply to several LOMSs, you do not have to change each LOMS individually. You can organize your LOMS into command groups. If you change the commands for an LOMS in a command group, these changes also apply to all other LOMSs in the group.

Using different OMS services: You can use LOMSs to allow different sets of OMS services to be used, according to the printer.

Example: You want to use RFC callback to track the status of critical printers in the shipping department. Less important printers should be tracked only by polling. You can meet this requirement by defining an LOMS for each group. In the critical LOMS, callback is activated. In the other LOMS, only polling is activated.

Distributing callback workload: Should you want to distribute the workload of processing status reports from an OMS callback client, you can do so by defining separate LOMSs. For each LOMS, you can specify a different R/3 server as the callback target.

If any of these requirements apply to you, then you may want to design a set of LOMS definitions that meet your requirements before proceeding.

This graphic is explained in the accompanying text First Page of SAP Printing Guide