Citizen Systems CBM-270 Benutzerhandbuch

CBM-270 User’s Manual

(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

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