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Connector and
R
T rm'
i
neumgg
.
.Signal
Code
name
i
2
Send Data
SD
l?eceive
3
D ata;
RD
V
;
..
;
Request
4
RS
l
Send
to
,
'°
géfg
5
cs
',
Data
set
6
DR
Ready
1
'
,
'
'
"
Signal
7
3G
Ground
Carrier
8
CD
Detect
i
,
External
20
ER
Ready
i
NOTE: Hand
shaking
(1) Reception
is
0
Reception
possible
when DR and CD
other times.
Olf ER is set, ER line is ON when data
when
busy (print
buffer remainder is low and data
(2)
Transmission
OData is transmitted when DR
pin
arrangement
'"
EP
93::/'irgicted
.
Function
>
sent
Data
line
connected
printerto
Data
line
sent
'_#
ed terminal
to
,
,
Controls
transmission
ON:
<>
carrier
output
'
OFF:
carrier stop
Controls
data transmission
ON:
1
data transmission
possible
17"
OFF: data
transmission
l
possible
i
Indicates condition
nected device
'
i'
ON:
transmission/reception
possible
%
.
device
'
OFF:
transmission/reception
i
possible
not
nected device
Provides basic
}
«a
potential
Detects
carrier
i
3
ON:
receiving
¢
OFF:
not
receiving
signal
Indicates condition
printer
ON:
printer preparation
i
W_,
completed
OFF:
printer preparation
completed
not
ON
f +
V
OF-'F
:
v
«
(RS—232Cl
connector
ON;
reception
are
be
received,
can
cannot
and CS
ON.
are
"
'
Note
summary
from this
'
terminal
from
connect-
this printer
.
..
_
l
l
ig?rmatllié
carrier
iterminal
mode
1
,
not
of
con-
;
when
'ON
at
connected
cable is
not
con»
nected
at
i
con-
?
ground
ON when
'
signal
'cable is
access
access
not
con-
nected
'Enables
of this
on/off
'
'setting
selection.
ON
un-
,less
other'
wise
spe-
cified.
data is
ignored
at
but becomes OFF
be
received).
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