Serial Interface Pin Assignments - Oki OKIPAGE14i Manual

Serial Interface Pin Assignments

Pin Signal
1 Frame
Ground
2 Transmitted
Data
3 Received
Data
Request to
4
Send
5 —
6 —
7 Signal
Ground
8-17 —
18 +5V
19 —
20 Data
Terminal
Ready
21-25 —
236
Abbreviation
FG
TD
RD
RTS
—
—
SG
—
+5V
—
DTR
—
Direction Function
— Frame ground
from printer Transmitted
data
to printer Received data
Stay space
from printer
level
— Not connected
— Not connected
— Sognal ground
— Not connected
from printer +5V (50mA
max.)
— Not connected
from printer Data terminal
ready
— Not connected