2-1 stp-131s serial interface, Stp-131 – BIXOLON STP-131 User Manual
Page 11
Rev. 1.06
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STP-131
2-2-1 STP-131S Serial Interface
Pin No.
Signal name
Direction
Function
FG. - Frame
Ground
20 TxD Output Transmit
Data
19 RxD Input Receive
Data
21
CTS
Input
Clear To Send
22 SG
-
Signal
Ground
18
RTS
Output
Request To Send
PRINTER HOST
20 TXD(O)
---------------------
2 RXD(I)
19 RXD(I)
---------------------
3 TXD(O)
18 RTS(O)
---------------------
8 CTS(I)
21 CTS(I)
---------------------
7 RTS(O)
22~25 FG,SG
(GND) ---------------------
5 FG,SG
(GND)
4
DTR(O)
6
DSR(I)
CONNECT