Main Control Board Description; Usb Interface; Parameter; Interface Signal - SNBC BTP-M300 Service Manual

3 Main Control Board Description

BTP-M300 can be connected to another device with USB, serial, parallel, Ethernet or WIFI interface.

3.1 USB interface

3.1.1 Parameter

Data transfer:
Connector:

3.1.2 Interface signal

The printer built-in USB interface supports USB1.1 protocol, of which the outlet is USB A type.
Interface signal is defined as below:
Pin
1
2
3
4

3.1.3 USB interface connection

Host
VBUS.....................................VBUS
DATA- ...................................DATA-
DATA+................................... DATA+
GND .......................................GND
Caution:
The vertical USB interface can not be used when set the receiving buffer to 40Bytes.

3.2 Serial interface

3.2.1 Parameter
Data transmission:
Handshaking:
Voltage:
Baud rate:
Data bit:
Parity bits:
Stop bit:
Connector:
Caution:
Handshaking, baud rate, data bit and stop bit can be set by EEPROM and feed button.
Supports USB1.1 Protocol
USB B type standard socket
Signal name
VBUS
DATA-
DATA+
GND
Printer
Asynchronous serial communicate
DTR/DSR or XON/XOFF
MARK = -3 to -15V: Logic "1"/ OFF
SPACE = +3 to +15V: Logic "0"/ ON
1200, 2400, 4800, 9600, 19200, 38400, 57600 bps
[bps: bits per second]
7 bit or 8 bit
No
1 bit or 2 bit
D-SUB 25PIN hole socket
Function
+5V
Data-
Data+
Ground
- 4 -
BTP-M300 Service Manual