z/OS MVS Using the Subsystem Interface
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Job transmitter data header (JDXHJXMT)

z/OS MVS Using the Subsystem Interface
SA38-0679-00

Header for job transmitter data. Data for the following devices may be returned within this header:
  • NJE job transmitters
  • OFFLOAD job transmitters
The total length of the data for a device is accounted for by the prefix section which follows this header structure. The prefix section will also identify the type of data returned in this header. For job transmitter devices the data (section) type is JDTYJBXM. The following sections could be returned within this header:
Field Name
Description
JDXHEYE
Eye catcher
JDXHOHDR
Offset to first (prefix) section
JDXHJPL8
Address of IAZJPLXI for this device
JDXHJPLX
31-bit part of the pointer
JDXHNEX8
Address of header of the next device
JDXHNEXT
31-bit part of the pointer
JDXHPAR8
Address of parent device (offload, line or NJE connection)
JDXHPARN
31-bit part of the pointer

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