Specifying installation defaults for TRANSMIT and RECEIVE

Before people at your installation can use TRANSMIT and RECEIVE, you must specify installation defaults that control TRANSMIT and RECEIVE processing, and system ID-node name associations. To do so, you can use the INMXPARM CSECT or member IKJTSOxx of SYS1.PARMLIB. With IKJTSOxx, you avoid having to update, reassemble and link-edit the CSECT, and you can update or list the defaults dynamically using the PARMLIB command. For information about using the PARMLIB command, see .

If TSO/E finds both, the INMXPARM CSECT and the TRANSREC statement in member IKJTSOxx of SYS1.PARMLIB, it uses either of it as shown:

Table 1. Usage of INMXPARM CSECT versus TRANSREC statement
	INMXPARM is IBM-supplied	INMXPARM is customized
No TRANSREC statement present	Error message INMR152I or INMX152I is issued	INMXPARM is used
TRANSREC statement present with operands	Defaults from IKJTSOxx are used	Defaults from IKJTSOxx are used
Note: If the TRANSREC statement is found without operands in IKJTSOxx it is treated as if it is not present.