If you want to modify the sample application definition table that is supplied on the distribution tape, note in particular the following points:
XCOMAPPL is the default APPLID for the CA XCOM Data Transport server. If your installation is running only one version of CA XCOM Data Transport, you can retain XCOMAPPL as the server name. However, if you are running more than one version of CA XCOM Data Transport within the same VTAM environment or in the same network, provide each CA XCOM Data Transport server with a unique APPLID. Set up an application definition table for each server.
If the server for your installation uses an APPLID other than XCOMAPPL, let other CA XCOM Data Transport installations know that APPLID.
Provide the MODETAB parameter in each APPL statement with the name of the logon mode (logmode) table in use at your installation. VTAM searches the logmode table for an entry with the name specified in the DLOGMOD parameter. The logmode describes the session parameters used in an application (defined in an APPL statement) when it participates as a Secondary Logical Unit (SLU).
The DLOGMOD parameter in each APPL statement specifies the applications logmode entry name. The default logmode is XCOMMODE. This name matches the logmode table entry name used in the sample configurations in all other implementations of CA XCOM Data Transport. We recommend that you retain this default.
The ACBNAME parameter contains the name that an application program specifies in an ACB control block when it wishes to establish a connection with the VTAM application.
Normally, the name coded in the APPL statement and the value of the ACBNAME are identical. If the ACBNAME parameter is not coded, the name of the APPL definition statement is then used as its value. The ACBNAME used in the APPL statement must match the ACBNAME parameter either in the CA XCOM Data Transport Default Options Table or in the EXEC statement of the server JCL.
Use XCOMnn as the value of ACBNAME in the application definitions batch jobs. If another name is used, assign this name as the value of the JOBACB parameter in the CA XCOM Data Transport Default Options Table.
Important! Do not specify APPC=YES in the APPL definition statement. CA XCOM Data Transport implements a record‑level LU 6.2 API based on VTAM macros.
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