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A Series User’s Manual
87
Interface Specifications
USB Interface
This is port complies with USB 2.0 Full Speed.
T
Connector Terminal Pin Assignment
Pin
Signal
Description
1
VBUS
5V
2
D -
Differential data signaling
pair -
3
D +
Differential data signaling
pair +
4
GND
Ground
1
2
3
4
1
2
3
4
USB series “B” Receptacle Interface
A Series User’s Manual
88
Serial
The RS232 connector on the printer side is a female, DB-9.
Pin
Direction
Definition
1
Shorted to Pin 6
2
In
RxData
3
Out
TxData
4
N.C.
5
Ground
6
Shorted to Pin 1
7
Out
RTS
8
In
CTS
9
Out
+5V
Note :
Pin 9 are reserved for KDU (keyboard device unit), therefore
do not connect these pins if you are using a general host like
a PC.