Toshiba B-EV4D SERIES ユーザーズマニュアル

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APPENDIX 2  INTERFACE 
ENGLISH VERSION EO1-33088 
APPENDIX 2  INTERFACE 
 
EA2- 1 
APPENDIX 2  INTERFACE 
 Interface Cables 
 
To prevent radiation and reception of electrical noise, the interface cables must meet the following 
requirements: 
• Fully shielded and fitted with metal or metallized connector housings. 
• Keep as short as possible. 
• Should not be bundled tightly with power cords. 
• Should not be tied to power line conduits. 
 
 RS-232C Cable description 
 
The serial data cable used to connect the printer to a host computer should be one of the following two 
types (9-pin or 25-pin connector): 
 
 
 
 
 
 
 
 
NOTE: 
Use an RS-232C cable with a connector with inch type securing screws.  
Connector to the Host Computer
 
Function 
9 pin 
25 pin 
 
 
 
RXD 2  3 
TXD 3  2 
DTR 4  20 
GND 5  7 
DSR 6  6 
RTS 7  4 
CTS 8  5 
 
 
 
Connector to Printer
 
Pin No.
Function 
1 +5V 
2 TXD 
3 RXD 
4 RTS 
5 GND 
6 CTS 
7 RTS 
8 CTS 
9 +5V