CITIZEN CBM-270 User Manual
Page 38
CBM-270 User’s Manual
CITIZEN
38
7777.... SSSSE
E
E
ER
R
R
RIIIIA
A
A
AL
L
L
L IIIIN
N
N
NT
TT
TE
E
E
ER
R
R
RF
FF
FAC
AC
AC
ACE
E
E
E
7777....1111
SSSSppppeeeecccciiiiffffiiiiccccaaaattttiiiioooonnnnssss
(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
7777....2222
C
C
C
Coooonn
nn
nn
nneeeeccccttttoooorrrr''''s
s
s
s P
PP
Piiiin
n
n
n C
C
C
Coooonnnnffffiiiigggguuuurrrraaaattttiiiioooonnnn
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