Connectors And Signals - Star 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
This pin carries data from the printer.
OUT
(Return channel)
IN This pin carries data to the printer.
This is SPACE when the printer power is
OUT
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 trans-
mitted from the printer on the 20mA cur-
—
rent loop.
This pin carries data from the printer on
OUT
the 20mA current loop.
This pin is SPACE when the printer is
ready to receive data. This line carries the
OUT
same signal as pin 20.
Unused.
— Signal ground.
This is MARK when the printer is abnor-
mal. (Machine Error.) Or there is a paper
OUT
error.
Unused.
This pin is the return path for data trans-
mitted from the printer on the 20mA cur-
—
rent 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
OUT
is 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
OUT
the 20mA current loop.
This pin carries data to the printer on the
IN
20mA current loop.
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Function