- - - - - - - - - A P P E N D I X C INTERFACE CABLE
11
Busy
29
From
printer
A high signal in
dicates that the
printer cannot
receive data. The
signal becomes high
in the following
cases:
1. During data entry
2. During printing
3. In offline state
4. During printer
error state
12
Paper End
30
From
printer
A high signal in
dicates that the
printer is out of
paper.
13
Select
No
return
From
printer
This signal indicates
that the printer is
ready to receive
data.
14
OV
No
return
Logic ground
15
Not used
16
OV
No
return
Logic ground
17
Frame Ground
No
Printer's frame
return
ground. In the
pri nter, the frame
ground and the
logic ground are
isolated from each
other.
117