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Table 4.1 DPC-compatible interface signal lines (Positive logic)
-
continued
Signal name Direction
System-Printer
COIltentS
Write
Information
Parity
(WIFP)
Write Check
(++)
Even parity signal for data from mainframe.
! parity is also available by setting. This signal
can be ignored by setting.
If a parity error occurs in
!JIF
signals from
the
/
sysrem,
this signal is logical 1.
paper
Moving
l5V
oi
Cc-)
Bottom of Form /
5
V 0
(++)
Top fo Form
5v
0
(++>
s
signal is logical Lwhen
rhe
paper
incwes.
I
When
rhe
last line on a page is being printed, this
signal is logical 1.
when
the first line on a
page
is being printed,
i
this signal is logical 1.
IDENT
0 (++)
IDEw 1
5v
0
‘Ihis signal indicates the type of print band.
IDENT 1 IDENT 0
0 0
Undefined
1 1
48-character-set print
band
0 1
64-character-set print band
1 0
96-character-set print
bend
+ Signal level 1 Active
Signal level 0
Fake
Negative logic is also available by setting (except for Connect
l/2
signals).
+t These signals can always be set 0 by setting.
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