9030/40 Diagrams 9-23
I/O
Backplane Signal Definitions (Continued)
Signal Definition
NSTS
110
bus status (negative true).
NSWO
Select code switch 0 (negative true).
NSWI
Select
code switch 1 (negative true).
NSW2
Select
code switch 2 (negative true).
NSYNC Synchronize (negative true).
NUAD
Your address; slot/select code select (negative true).
NWAIT
(Not used)
PPON
Primary
power on;
all
outputs
in
spec.
READ
I/O bus data direction (positive true; high indicates data to lOP).
SGND Safety
ground.
SPON
Same
as PPON.
To Next Page
Loading...
