
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.
Ethernet
The following port complies with Ethernet communication.
Pin
Signal
1 Transmit+
2 Transmit-
3 Receive+
4 Reserved
5 Reserved
6 Receive-
7 Reserved
8 Reserved
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