Specifications

58
14.3.3 USB
Pin
Signal Name
1
VBUS
2
D -
3
D+
4
GND
14.3.4 Connection with host:
Host 25S
Printer 9P
Host 9S
Printer 9P
(PC or compatible)
(PC or compatible)
DTR 20
……
1 DSR
DTR 4
……
1 DSR
DSR 6
……
6 DTR
DSR 6
……
6 DTR
TX 2
……
2 RX
TX 3
……
2 RX
RX 3
……
3 TX
RX 2
……
3 TX
CTS 5
……
7 RTS
CTS 8
……
7 RTS
RTS 4
……
8 CTR
RTS 7
……
8 CTS
GND 7
……
5 GND
GND 5
……
5 GND
12
3 4
12
3 4
USB series “B” Receptacle Interface
Connector Terminal Pin Assignment