Connectors And Signals - Star Micronics DP8340 Series User Manual

8-5. Connectors and Signals

Signal
Pin No.
Name
1 GND
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 GND
8 N/C
9 TTY TXDR
10
TTY TXD
11
RCH
12 N/C
13 GND
14
FAULT
15 ~ 16 N/C
17
TTY TXDR
18
TTY RXDR
19
TTY RXD
20
DTR
21 ~ 22 N/C
23
TTY RXDR
24
TTY TXD
25
TTY RXD
Direction
— Frame Ground
OUT This pin carries data from the printer.
(Return channel)
IN This pin carries data to the printer.
OUT This is SPACE when the printer power is ON.
IN This pin is SPACE when the computer is ready to
send data.The printer does not check this pin.
IN This pin is SPACE when the computer is ready to send
data. The printer does not check this pin.
— Signal ground.
Unused.
— This pin is the return path for data transmitted from the
printer on the 20mA current loop.
OUT This pin carries data from the printer on the 20mA cur-
rent loop.
OUT This pin is SPACE when the printer is ready to receive
data. This line carries the same signal as pin 20.
Unused.
— Signal ground.
OUT
This is MARK when the printer is abnormal. (Machine
Error.) Or there is a paper error.
Unused.
— This pin is the return path for data transmitted from the
printer on the 20mA current loop.
— This pin is the return path for data transmitted to the
printer on the 20mA current loop.
IN This pin carries data to the printer on the 20mA current
loop.
OUT This printer turns this pin SPACE when it is ready to
receive data.
Unused.
— This pin is the return path for data transmitted to the
printer on the 20mA current loop.
OUT This pin carries data from the printer on the 20mA cur-
rent loop.
IN This pin carries data to the printer on the 20mA current
loop.
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Function