Connectors And Signals - Star Micronics DP8340R 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
This pin carries data from the printer.
OUT
(Return channel)
IN This pin carries data to the printer.
OUT This is SPACE when the printer power is ON.
This pin is SPACE when the computer is
ready to send data.The printer does not
IN
check this pin.
This pin is SPACE when the computer is
ready to send data.The printer does not
IN
check this pin.
— Signal ground.
Unused.
This pin is the return path for data
transmitted from the printer on the 20mA
—
current loop.
This pin carries data from the printer on the
OUT
20mA current loop.
This pin is SPACE when the printer is ready
to receive data. This line carries the same
OUT
signal as pin 20.
Unused.
— Signal ground.
This is MARK when the printer is abnor-
mal. (Refer to Error Condition Alarm Mode
OUT
*1.) Or there is a paper error.
Unused.
This pin is the return path for data transmit-
ted from the printer on the 20mA current
—
loop.
This pin is the return path for data trans-
mitted to the printer on the 20mA current
—
loop.
This pin carries data to the printer on the
IN
20mA current loop.
This printer turns this pin SPACE when it is
OUT
ready to receive data.
Unused.
This pin is the return path for data trans-
mitted to the printer on the 20mA current
—
loop.
This pin carries data from the printer on the
OUT
20mA current loop.
This pin carries data to the printer on the
IN
20mA current loop.
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Function