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CBM-270 User’s Manual
CITIZEN
38
7
77
7.
..
.S
SS
SE
EE
ER
RR
RI
II
IA
AA
AL
L L
L I
II
IN
NN
NT
TT
TE
EE
ER
RR
RF
FF
FAC
ACAC
ACE
EE
E
7
77
7.
..
.1
11
1S
SS
Sp
pp
pe
ee
ec
cc
ci
ii
if
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fi
ii
ic
cc
ca
aa
at
tt
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io
oo
on
nn
ns
ss
s
(1) Synchronous system : Asynchronous
(2) Baud rate : 1,200, 2,400, 4,800, 9,600, 19,200 bps (Selected by the user)
(3) 1-word configuration
Start bits : 1 bit
Data bits : 8 bits or 7 bits (Setting upon shipment)
Parity bits : Odd, even, or no parity (Selected by the user)
Stop bits : 1 bit or more
(4) Signal polarity
RS-232C
·
Mark = Logic "1" (-3
~
-12 V)
·
Space = Logic "0" (+3
~
+12 V)
(5) Received data (RXD signal)
·
Mark = 1
·
Space = 0
(6) Reception control (DTR signal)
·
Mark : Data not transferable
·
Space : Data transferable
(7) Transmission control (TXD signal)
·
DC1 code(11H) X-ON : Data receivable
·
DC3 code(13H) X-OFF : Data not receivable
7
77
7.
..
.2
22
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or
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s s
s P
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Pi
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in
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n C
CC
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on
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No. Signal Name Input/Output Function
1 FG Frame Ground
7 GND Signal Ground
3 RXD Input Received Data
20 DTR Output Printer BUSY Signal
2 TXD Output Transmitted Data
6 DSR Input Data Set Ready
[Note] 1. The RS-232C signals are based on the EIA RS-232C.
2. The received data should be always maintained in the Mark status when no data is
being transferred.
Applicable connectors (D-Sub connectors)
Printer side : 17LE-13250 (Anphenol) or its equivalent
Cable side : 17JE-23250 (Anphenol) or its equivalent