Citizen CL-S700R ユーザーズマニュアル

 2-52 

 

System 

Start/stop asynchronous full duplex communication 

Signal level 

RS-232C 

Baud rate 

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

Data length 

7 bits, 8 bits 

Stop bit 

1 bit, 2 bits 

Parity Odd, 

even, 

none 

Connector 

D-SUB DBR40-251F100 25PIN (ACON) 

 

(2)  Signal line and pin assignment 
 

Pin No.  Signal Abbr. 

Signal name 

Function 

1 

FG 

Frame ground 

Protective grounding 

2 

TXD 

Transmit Data 

Signal line that transmits data from the printer to 
the host 

3 

RXD 

Receive data 

Signal line that transmits data from the host to 
the printer 

4 RTS 

Request 

To 

Send 

Pulled up to +5.4V through 3.3 kΩ 

5 NC 

------ 

Not 

used 

6 

DSR 

Data Set Ready

Signal line that is active when the host can 
interface with the printer 

7 

SGND 

Signal ground 

Signal grounding line 

8-13 NC 

------ 

Not 

used 

14 

VCC 

+5V 

(Factory use only ) 

15-19 NC 

------ 

Not 

used 

20 DTR 

Data 

Terminal 

 

Ready 

Signal line that is active when the printer can 
interface with the host 

21-25 NC 

------ 

Not 

used