Pin Assignment - Oki Microline 3390 User Manual

Appendix D: Interface Data

Pin assignment

D-12
Shielded twisted-pair
transmission cable IBM Type 1.
UL- and CSA-certified. The
printer has a 37-pin DC-37S
connector.
Pin Signal
1 Protective Ground, FG
3 * Flow Control, SSD+
21 Flow Control, SSD-
4 Send Data, SD+
22 Send Data, SD-
6 Receive Data, RD+
24 Receive Data, RD-
7 * Ready to Send, RS+
25 Ready to Send, RS-
9 Clear to Send, CS+
27 Clear to Send, CS-
11 ** Ready to Send, DM+
29 Ready to Send, DM-
12 * Terminal Ready, TR+
30Terminal Ready, TR-
2, 5, 8, 10,
13 to 18,
20, 23, 26, 28
31 to 37
19 Signal Ground, SG
data
Direction Description
--- Connected to the printer's
casing
from printer With the Ready/Busy
protocol this signal indicates
from printer that the printer is ready.
from printer
Data sent from printer.
from printer
to printer
Data sent to printer.
to printer
from printer With the Ready/Busy
protocol this signal indicates
from printer that the printer is ready.
to printer Data transmission starts
when printer confirms
to printer the signal as "Space".
to printer Indicates that data
can be sent. The data is
received as soon as
the printer confirms
from printer this signal as "Space".
from printer With the Ready/Busy
protocol this signal indicates
whether the printer is ready
from printer to receive data.
Not assigned.
--- Signal Ground