OKI ML3390 01091308*01256402 Manuale Utente

D-12

Appendix D: Interface Data

1

Protective Ground, FG

      ---

Connected to the printer’s
casing

3 *

Flow Control, SSD+

from printer

With the Ready/Busy
protocol this signal indicates

21

Flow Control, SSD-

from printer

that the printer is ready.

4

Send Data, SD+

from printer

Data sent from printer.

22

Send Data, SD-

from printer

6

Receive Data, RD+

to printer

Data sent to printer.

24

Receive Data, RD-

to printer

7 *

Ready to Send, RS+

from printer

With the Ready/Busy
protocol this signal indicates

25

Ready to Send, RS-

from printer

that the printer is ready.

9

Clear to Send, CS+

to printer

Data transmission starts
when printer confirms

27

Clear to Send, CS-

to printer

the signal as "Space".

11 **

Ready to Send, DM+

to printer

Indicates that data
can be sent. The data is
received as soon as
the printer confirms

29

Ready to Send, DM-

from printer

this signal as "Space".

12 *

Terminal Ready, TR+

from printer

With the Ready/Busy
protocol this signal indicates
whether the printer is ready

30Terminal Ready, TR-

from printer

to receive data.

2, 5, 8, 10,

Not assigned.

13 to 18,
20, 23, 26, 28
31 to 37

19

Signal Ground, SG

        ---

Signal Ground

Pin assignment

Shielded twisted-pair data
transmission cable IBM Type 1.
UL- and CSA-certified. The
printer has a 37-pin DC-37S
connector.