4
(3) Keyboard COM1 and COM2 pin assignment
KEYBOARD COM1
KEYBOARD COM2
Pin
Configuration
Pin
Configuration
1
Power input 5 volts,
250mA
1
Power input 5 volts,
250mA
2
RxD
2
TxD
3
TxD
3
RxD
4
Not used
4
Not used
5
Ground
5
Ground
6
Not used
6
Not used
7
Not used
7
Not used
8
Not used
8
Not used
9
Connect with Pin1
internally
9
Not used
(Short JP4: Connect with
Pin1 internally)
Note:
(1) Be sure to connect well the scanner and keyboard before turn on the
printer power
(2) Please disable the CTS/RTS and Xon/Xoff handshaking of the scanner.
(3) The postfix 0Dh and 0Ah should be set in scanner.
The information contained herein is subject to change without notice.
Reproduction of this manual either in part of its entireties is forbidden.
Note that the manufacturer assumes no responsibility for any injury or
loss incurred while using this manual.
