# Substation ES Parameters

Substation ES provides facilities and standard z/OS methods for installation, administration, and operational staff to configure and administer Substation ES.

Substation ES contains PDS members with a default set of parameters, which are normally sufficient to activate the Substation ES and ESB interfaces. However, during installation, you must modify the parameters that declare the back-end systems (usually CICS and IMS) and that define the connections to the back-end systems.

For the suggested parameters to be changed during installation, see Changing Substation ES Parameters.

For detailed parameters, see the following topics:

- Syntax and Rules
- System Startup Parameters
- Common Initialization Parameters
- Administration Interface Parameters
- System Initialization Parameters
- CICS Interface Parameters
- RED Interface Parameters
- IMS Interface Parameters
- ESB Interface Parameters
- TIBCO Messaging-Specific Parameters
- EMS-Specific Parameters
- Rendezvous-Specific Parameters

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