User's Manual

Thermal printer User’s manual
14
5 Interface pin definitions
The printer has a cash drawer driver interface and many kinds of communication interfaces: parallel, serial
(RS-232), USB and Ethernet ports. USB port and cash drawer interfaces are standard interfaces, and it has
Ethernet, serial and parallel ports as optional.
5.1 Parallel interface pin definition（DB25M）
Number
Signal
Function
Number
Signal
Function
1
/STROBE
Gate. Low level is
effective
10
/ACK
Confirm. Low level is effective
2
DATA0
Data bit is 0
11
BUSY
Busy
3
DATA1
Data bit is 1
12
PE
Paper out
4
DATA2
Data bit is 2
13
SEL
Choose
5
DATA3
Data bit is 3
14
/AUTOFEED
Change line automatically. Low
level is effective
6
DATA4
Data bit is 4
15
/ERROR
Error. Low level is effective
7
DATA5
Data bit is 5
16
/INIT
Initialize. Low level is effective
8
DATA6
Data bit is 6
17
/SELIN
Choose input. Low level is
effective
9
DATA7
Data bit is 7
18-25
GND
Ground wire
5.2 USB interface pin definition（standard B type female base)
1） Pin definition
Pin Number
Signal name
Typical wire color
1
VBUS
Red
2
D-
White
3
D+
Green
4
GND
Black