Job Trailer Prefix Section

The job trailer begins with the standard four-byte control record prefix containing the combined length of all sections. Table 1 describes the format of the job trailer prefix section.

Table 1. Fields in the Job Trailer Prefix Section
Field Name Offset in Hex Length Type of Data Default Value Valid Range Description
NJTLEN 0 2 binary none 8-32K Length of all sections in the job trailer.
NJTFLAGS 2 1 binary 0 none Reserved for IBM's use.
NJTSEQ 3 1 binary 0 none The sequence indicator, which contains valid information after the header is segmented for transmission. The information specifies:
  • The position of the segment within the record.
  • More record segments follow.
    .1 80 bit 0   High order bit means that more segments follow.
    .7 7F bits 0   Low order 7 bits contain the segment number starting with zero (0).