RP 3160 STAR User’s Manual
6
2-2-1. Interface Connector
<9 Pin Serial>
<USB “B” Type>
USB interface
PIN
SIGNAL
I/O
DESCRIPTION
1
+5V
-
+5V
2
DATA-
-
Printer transmit data line
3
DATA+
-
Printer transmit data line
4
GND
-
System Ground
9Pin Serial Interface
PIN
SIGNAL
I/O
DESCRIPTION
2
RXD
Input
Printer receive data line RS-232C level
3
TXD
Output
Printer transmit data line RS-232C level
4,7
DTR
Output
Printer handshake to host line RS-232C level
5
GND
-
System Ground
6
DSR
Input
Data Send Ready
1,8,9
NC
