The OEM Auxiliary Device Query Reply

The OEM Auxiliary Device query reply format is as follows:

Table 1. OEM Auxiliary Device Base Format with Direct Access Self-Defining Parameter
Offset	Length	Content	Meaning
0–1	1 word	Length	Length of structure (includes self-defining parameters)
2	1 byte	X'81'	Query reply ID
3	1 byte	X'8F'	OEM query reply
4–5	2 bytes	FLAGS	Reserved
6–13	4 words	DTYPE	Device type
14–21	4 words	UNAME	User assigned name
22	1 byte	X'04'	Parameter length
23	1 byte	X'01'	Direct access
24–25	1 word	DOID	Destination/origin ID assigned by the subsystem

Refer to IBM 3270 Information Display System Data Stream Programmer's Reference for the field definitions for this query reply.

The OEM auxiliary device processor supports two self-defining parameters, 01 and 03. These are defined in Table 1.