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