Citizen Systems clp-521z Benutzerhandbuch

45

This printer is connected to a computer and prints according to commands

sent from the computer.

There are three types of computer interfaces, and these are connected to

devices suited to each type of interface. The printer can also be connected

to a computer by the optional Ethernet and wireless LAN.

SystemStart/stop asynchronous duplex com

m

unication

Signal level

RS-232C

Baud rate

2400, 4800, 9600, 19200, 38400,57600, 115200bps

Bit length

7Bit, 8Bit

Stop bit

1Bit 2Bit

Parity

Odd, even, none

Connector

D-SUB 25PIN

Pin No. Signal code

Signal name

Function

1

FG

Protective

Protective grounding

grounding

2

TXD

Transmitted data

Signal line that transmits data from the
printer to other devices

3

RXD

Received data

Signal line that transmits data from other
devices to the printer

4

RTS

Transmission

Pull up to +12V through 3.3k

Ω

request

5

NC

------

Not used

6

DSR

Data set relay

Signal line that is active when an external
device can interface with the printer

7

SGND

Signal line

Shows the ground level of the signal line

ground

8-19

NC

------

Not used

20

DTR

Data terminal

Signal line that is active when an external

relay

device can interface with the printer

21-24

NC

------

Not used

25

VCC

+5V

(FACTRY USE ONLY )