BIXOLON SRP-330 - Page 9

Rev. 1.05
- 9 -
SRP-330
Pin
No.
Signal
Name
Signal
Direction
Function
BODY
Frame
GND
-
Frame Ground
2
TXD
Output
Transmit Data
3
RXD
Input
Receive Data
6
DSR
Input
This signal indicates whether the host computer can
receive data. (H/W flow control)
1) MARK(Logic1) : The host can receive a data.
2) SPACE(Logic0) : The host can not receive a data.
3) The printer transmits a data to the host, after
confirming this signal.
4) When XON/XOFF flow control is selected, the
printer does not check this signal.
7
Signal GND
-
Signal Ground
20
DTR
Output
This signal indicates whether the printer is busy. (H/W
flow control)
1) MARK(Logic1) : The printer is busy.
2) SPACE(Logic0) : The printer is not busy.
3) The host transmits a data to the printer, after
confirming this signal.
4) When XON/XOFF flow control is selected, the host
does not check this signal.
Shield
Frame
GND
-
Frame Ground
1-2-1-2 Dual Serial Interface
(TXD) 2
(RXD) 3
(RTS) 8
(CTS) 7
(DSR) 4
(DTR) 6
(S.G) 5
HOST
SIDE(9P)
PRINTER
SIDE(9P)
3 (RXD)
2 (TXD)
8 (CTS)
7 (RTS)
4 (DTR)
6 (DSR)
5 (S.G)