SeeTech ST-150 - Page 45

SERVICE MANUAL FOR ST-150(F)
45/47 SeeTech
RJ-11 4P (ST-150(F))
Pin No.
Signal Name
Signal Direction
Contents
1
FRAME GND
-
Frame Ground
2
GND
-
Signal Ground
3
TXD
Output
Transmit Data
4
RXD
Input
Receive Data
PC D-SUB 9 P (Female)
CONNECTION FOR SERIAL PRINTER CALBLE(25P)
PRINTER D-SUB 25P (Male)
Pin No.
Signal Name
Signal Direction
Contents
1
FRAME GND
-
Frame Ground
2
RXD
Input
Receive Data
3
TXD
Output
Transmit Data
5
GND
-
Signal Ground
Pin No.
Signal Name
Signal Direction
Contents
1
FRAME GND
-
Frame Ground
2
RXD
Input
Receive Data
3
TXD
Output
Transmit Data
7
GND
-
Signal Ground
ST-150(F) PRINTER(25P)
(F.G) 1
(TXD) 2
(RXD) 3
(S.G) 4
(F.G) 1
(TXD) 2
(RXD) 3
(S.G) 7