A SERVICE OF

logo

l Serial interface
I I
Pin No.
Signal
Name
Direction
Function
1 GND
Chassis ground.
2
TXD OUT
C&es data from the printer.
3
RXD
IN
Carries data to the printer.
14 1 RTS 1 OUT
1 On when the printer is ready to 1
receive data.
t Unused.
7 - -.‘-
GND -
8-19
N/C
20 --
DTR
OUT
I I I I receive data. I
121-25 1 N/C
1 Unused.
-
102