These 4-byte fields identify a predefined set of protocols used
by either the primary logical unit (bytes 14–17) or the secondary
logical unit (bytes 18–21) to send data through the VTAM® network. See
Figure 1.
These send protocols are:
- Bit setting 0123 4567
- (Bytes 14 or 18) Meaning
- Printer data stream profile
- 1... ....
- Base data stream profile is supported.
- 0... ....
- Base data stream profile is not supported.
- .1.. ....
- General data stream is supported.
- .0.. ....
- General data stream is not supported.
- ..1. ....
- Job SNA character string (SCS) subset is supported.
- ..0. ....
- Job SNA character string (SCS) is not supported.
- .... 1...
- Word processing in raw form is supported.
- .... 0...
- Word processing in raw form is not supported.
- ...x .xxx
- Reserved.
- Bit setting 0123 4567
- (Bytes 15 or 19) Meaning
- Additional data stream profile
- .1.. ....
- Card format is supported.
- .0.. ....
- Card format is not supported.
- ...1 ....
- Basic exchange format is supported.
- ...0 ....
- Basic exchange format is not supported.
- .... .1..
- Word processing exchange diskette format is supported.
- .... .0..
- Word processing exchange diskette format is not supported.
- x.x. x.xx
- Reserved.
- Bit setting 0123 4567
- (Bytes 16 or 20) Meaning
- Console
- 1... ....
- Base data stream profile is supported.
- 0... ....
- Base data stream profile is not supported.
- .1.. ....
- General data stream profile is supported.
- .0.. ....
- General data stream profile is not supported.
- ..1. ....
- Job SNA character string (SCS) subset is supported.
- ..0. ....
- Job SNA character string (SCS) subset is not supported.
- ...x xxxx
- Reserved.
- Bit setting 0123 4567
- (Bytes 17 or 21) Meaning
- FM or FM header usage
- .00. ....
- A one-level destination suspension stack is supported.
- .01. ....
- A two-level destination suspension stack is supported.
- .10. ....
- Reserved.
- .11. ....
- A three-level destination suspension stack is supported.
- ...1 ....
- Compaction is supported.
- ...0 ....
- Compaction is not supported.
- .... 1...
- PDIR for all media is supported.
- .... 0...
- PDIR for all media is not supported.
- .... ..1.
- Query for data set FM header type 2 is supported.
- .... ..0.
- Query for data set FM header type 2 is not supported.
- .... ...1
- (Byte 17 only) The secondary logical unit needs to receive a CD
with every EDS.
- .... ...0
- (Byte 17 only) The secondary logical unit does not need to receive
a CD with every EDS.
- .... ...1
- (Byte 21 only) The primary logical unit needs to receive a CD
with every EDS.
- .... ...0
- (Byte 21 only) The primary logical unit does not need to receive
a CD with every EDS.
- x... .x..
- Reserved.