CSN-A1K User manual
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/
72
2
Transmit data(Txd, printer output)
3
Receive data(Rxd, printer input)
4
CTS/DSR(printer input)
5
RTS/DTR(printer output)
5.1.3 TTL connector
J3
User side matching connector
Molex, 53047 Series 5 contacts
(
male
)
Molex 51021 Series
(
female
)
Contacts: 50079/50058
Pin number
Signal name
1
GND
2
Transmit data(Txd, printer output)
3
Receive data(Rxd, printer input)
4
CTS/DSR(printer input)
5
RTS/DTR(printer output)
5.2 USB port
5.2.1
J2 Power supply connector
Pin number Signal name
1
GND
2
GND
3
V bat
4
V bat
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