SeeTech ST-150 Service Manual page 45

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