Panasonic Kx-P3626 Operating Instructions Manual page 63

Connector
Pin
Signals
STB...STROBE
*
This
is
a synchronizing
input signal to
read data
into
the
printer.
•
This signal
is
normally
high.
Data
is
read
in
when
it
is
low.
DATA1-DATA8
•
These
are the input signals
which
carry the
6
data
bits of
information.
* The
signal
is
read
In
synchronization with the
STROBE
pulse.
A
high
level
indicates
a
logical
ACK...ACKNOWLEDGE
*
This
is
an
output signal to
the
computer
indicating that the printer
is
ready
to
receive the
next
data.
When
the condition
becomes
true,
the
signal
goes
low.
* The
ACK
signal
is
automatically sent
whenever
the printer
is
switched
ON
LINE and
the
BUSY
signal
drops from
high to low.
BUSY
* This output
signal indicates
the status
on which
the
printer
cannot
receive data.
*
The
signal
is
high
under
the following
conditions:
1.
receive
buffer
full
2.
printer
is
processing data
3.
printer
is
OFF
LINE
4.
printer
is in
an
error condition
PO...PAPER
OUT
*
This output signal indicates
the
absence
of
paper and goes
high during
a "Paper Out"
condition.
SLCT...SELECT
*
This output signal
is
high
in
the
ON
LINE
mode
and low
when
OFF
LINE.
* The
printer
enters the
ON
LINE mode:
1
.
when
the
prin ter
is
turned
on
2.
when
PRIME
is
received
3.
when
the
RESET
(x>mmand
is
received
4.
when
the
ON
LINE
switch
is
pressed
*
The
printer
enters the
OFF
LINE mode:
1
.
when
the
printer is
out of
paper
2.
when
the printer
is
switched
OFF
LINE
AUTO FEED
XT(AFXT)
•
While
this
input signal
is
low,
one
line
feed
(LF)
command
will
be added
to
each
carriage return
(CR).
• Auto
LF
setting
in
the
FUNCTION mod
e can
alter
the
response by the
printer to
an
AFXT
signal.
If
auto
LF
Is
ON,
the printer
will
p erform
a
CR+LF
regardless of
the
level of
the
AFXT
signal.
When
auto
LF
is
OFF,
automatic action
is
disabled.
SG...SIGNAL
GROUND
• The
twisted pair return
wires
(pins
19-30)
are
connected
to signal
ground.
FG...FRAME
GROUND
•
Frame ground
is
the
same
as
chassis ground.
+5V
•
This
is
for
evaluation only.
It
should
not
be used
to
supply
power
for
external
equipment.
PRIME
•
This input signal
is
normally high
and goes
tow
to
reset the
printer.
It
can be
received anytime
during
printer
operation.
ERROR
•
This output signal
is
normally
high,
and goes
low
when
an
error occurs.
An
error condition
can be caused
by:
1
.
a "Paper
Out" condition
2.
the printer
is
OFF
LINE
3.
an overioad
condition exists
SLOT
IN
• This
input signal
is
normally
low,
and goes
high
when
using the
Setup
disl<.
Timing Chart
(When
normal
printing
code
is
received)
ATA1--8
STB
BUSY
ACK
T2 T3
T7-
T1...0.5HS
(Min)
T2...0.5MS (Min)
T3...0.5
\is
(Min)
T4...Approx.
8
MS
T5, T6...Approx.
4 ^s
T7...1
ms
or less
when
buffer
is
not
full
1
s or less
when
buffer
is full
Timing diagram
63