The batch terminal data sets are input and output data set pairs that appear as terminals to CA WA CA 7 Edition. The input data set contains commands for CA WA CA 7 Edition applications. The output data set contains responses from those applications.
Organization
The batch terminal data sets are physical sequential. The input data set is an 80 byte unblocked or blocked file. The output data set is variable blocked with a maximum record length of 137.
Input data set: DCB=(RECFM=FB,LRECL=80,BLKSIZE=80 * n)
The block size on the input data set must match BUFSIZE in the LINE statement in the initialization file.
Output data set: DCB=(RECFM=VB,LRECL=137,BLKSIZE=137 * n + 4)
Note: n is a user-defined value.
Space Requirements
The input data set requires five tracks minimum. The output data set requires ten cylinders minimum. Allocate each data set in a single extent.
These allocations are recommendations only. The actual requirements can be more or less depending on intended use of the batch terminal. Up to eight batch terminal pairs of data sets can be defined.
DASD Restrictions
Do not use SMS for these files. If SMS is used, a DSNTYPE=EXT can cause problems across a CA WA CA 7 Edition shutdown, with BTI data being lost.
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