10
the method to change the baudrate. The socket and pin definition is
as below,
3.4.2 USB Connection
The standard accessories of SP-L52 printer includes Mini USB cable
which connects printer and main device. The USB type belongs to
the slave device type. Pins description of Mini-USB as below:
Mini USB Socket and Pin Definition
3.4.3 Bluetooth Connection
Hand-held device, laptop and other information terminal devices with
Pin
Function
Remark
1
，
2
VCC
Battery Positive Pole
3
CTS
When the signal is MARK, it means the
printer is too busy to receive the data. When
the signal is SPACE, it means the printer is
ready to receive the data.
4
RXD
The printer receives the data from the host.
5
DSR
If this signal is SPACE, it means the
printeris online.
6
TXD
The printer sends the data to the host. When
X-ON/X-OFF handshaking protocal is used,
the printer sends the control command
X-ON/X-OFF.
7
，
8
GND
Signal Ground. Battery negative pole.
Pin
Function
Notes
1
V Bus
Power +5V
2
Data-
Data-
3
Data+
Data-
4
Blank
5
GND
Ground
