Star Micronics TSP600 User Manual download pdf (Page 108)

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APPENDIX

Appendix D: Serial Interface

D-1. RS-232C Connector

Pin No.

Signal name

Direction Function

25 Pin

9 Pin

1 F-GND — Frame ground

2 3 TXD OUT Transmission data

3 2 RXD IN Receive data

4 7 RTS OUT Same as DTR signal.

5 8 N/C Not used

6 6 DSR IN • DIP Switch 3-7=OFF

STAR Mode

Status of this signal is not checked.

ESC/POS Mode

In DTR/DSR communication mode, indicates whether data receive

from host is enabled or disabled.

Space: Receive enabled

Mark: Receive disabled

(except when transmitting data by DLE EOT, and GS a)

This signal is not checked in the X-ON/X-OFF communication

mode.

• DIP Switch 3-7=ON

This signal used for external reset. Priter is reset whenever signal

is in mark state with pulse width of 1mS or more.

7 5 S-GND — Signal ground

8~19 1,9 N/C Not used

20 4 DTR OUT Indicates whether data receive from host is enabled or disabled.

1) DTR/DSR Communication Mode

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. The busy condition can be

changed by using DIP SW 1-6 as follows:

1 2 ... 103 104 105 106 107 108 109 110 111 112 113

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Star Micronics TSP600 User Manual Page 108