Supported NJE Sub Record Control Byte Values

A sub record control byte (SRCB) identifies each record sent or received over an NJE link. The following list identifies the SRCB values that RSCS uses. For more information, see z/OS: Network Job Entry (NJE) Formats and Protocols.

X'00'

Used for NMRs.

X'80'

Record without carriage control; the data begins immediately after the SRCB.

X'90'

Record with machine carriage control. The carriage control opcode byte immediately follows the SRCB; the data follows the carriage control byte.

X'A0'

Record with ASA carriage control. The carriage control opcode byte follows the SRCB; the data begins immediately after the carriage control byte.

X'B0'

Advanced Function Printing (AFP) record; the SRCB is followed by an X'5A' carriage control byte and the data.

X'C0'

Job header, starting with the general section, immediately follows the SRCB.

X'D0'

Job trailer, starting with the general section, immediately follows the SRCB.

X'E0'

Dataset header, starting with the general section or (rarely) the record characteristics change section, immediately follows the SRCB.