Implicit Termination Of Ipds Mode; Dsc Data Stream Modes - IBM 6400 Programmer's Reference Manual

IPDS for Control Units
Figure 35. DSC Data Stream Modes

Implicit Termination of IPDS Mode

If IPDS mode is active across more than one transmission through the use of
data chaining, any of the following causes termination of the in-chain state and is
an implicit termination of IPDS mode:
Note: IPDS always returns to the home state upon termination.
180
6400 IPDS
Copy (BSC)
•
Erase Write (WCC equals Reset)
•
Erase Write Alternate (WCC equals Reset)
•
Power-on-Reset (POR).
•