FENIX IMVICO

TK14 OPERATION MANUAL

2.3.3- Serial RS-232 interface pins assignment

The assignments of the terminals of the RS-232 connector and the functions of its signals are described in the following table:

 

Signal

Signal

 

Pin

name

direction (from

Function

 

 

the printer

 

 

 

 

 

point of view)

 

20

TXD

Output

Data transmission line.

21

RXD

Input

Data reception line.

22

RTS

Output

This signal indicates whether the printer is busy. SPACE

 

 

 

indicates that the printer is ready to receive data, and

 

 

 

MARK indicates that the printer is busy.

24

SG

-

Signal ground.

23

DTR

Output

This signal indicates whether an error occurs.

 

 

 

 

Other

nc

---

Not connected

Table 2.1- Pins Assignments of RS-232 connector terminals.

(*1) Definition of ‘data receiving buffer full’: the state of the printer becomes ‘buffer full’ when the receiving buffer increases to 10 Kbytes maximum.

Note: The printer ignores the received data when the free space in the receiving buffer is 0 bytes.

Pin #19

Pin #21

Pin #23

Pin #24

Pin #20

Fig. 2.6- Serial RS-232 interface pins.

2.3.5- PC serial interface connection

Pin #22

PC

TK14

 

 

FEMALE DB9

Housing: PHDR-24VS (JST)

 

 

Contact: SPHD-001T-P0.5 (JST)

 

RXD 2

20

TXD

 

TXD 3

21

RXD

 

GND 5

23/24 GND

 

DSR 6

19

DTR

 

CTS 8

22

RTS

Fig. 2.7- PC serial cable.

 

shield to chassis

 

 

NOTES:

Same configuration in the printer and in the host system should be set.

The communication protocol should be set properly so that the transmitted data can be received without errors.

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Epson TK14 operation manual Serial RS-232 interface pins assignment, Signal, Function, PC serial interface connection

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