U80II User’s Manual
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6.2 RS-232 serial interface
The serial interface of the printer is compatible with RS-232, its connector is 9PIN female D type.
PIN No.
Signal definition
PIN1 Not
connected
PIN2 RXD
PIN 3
TXD
PIN 4
DTR
PIN 5
Signal Ground
PIN6 DSR
PIN 7
DTR
PIN 8
DSR
PIN 9
Not connected
User can query interface settings status via printing self-test page. The default setting is as follows:
Baud rate: 19200bps, Data bit: 8, Parity bit: none, stop bit: 1
Handshake: DTR/DSR
6.3 USB interface
Parameters
Data transmission: Support USB1.1protocol
Connector (Printer side): USB B type socket. Support and pass USB HUB
1) Interface signal definition and functions
PIN
Signal Name
Description
1 VBUS
+5V
2
DATA-
Printer data transmit line minus
3
DATA+
Printer data transmit line plus
4 GND
Ground
2) Interface Connector
6.4 Ethernet interface
1) Interface features
¾
Support of 10BASE-T communication
¾
Compatible with Ethernet II standard frame type
¾
Indicator shows network connecting status and data transmission status
¾
Supports 9100 port print
¾
Supports status back
¾
Supports parameter configuration