Oki OKIPAGE 10i Service Manual page 162

When the Ready/Busy protocol is used for the buffer busy control method, the busy signal can be set to
Pin-20 (DTR) in the menu.
4) Signal Level


MARK polarity: -3V to -15V (LOGIC =1)


SPACE polarity: +3V to +15V (LOGIC = 0)
5) Interface Circuit
a) Receiving Circuit
b) Sending Circuit
Note: The signal levels described above is for the case where 3K Ohms x 15pF is connected to the
terminal.
6) Receive Margin
37% min. at all reception rates.
7) Communications Protocol
a) READY/BUSY protocol
b) X-ON/X-OFF protocol
8) Interface Parameter Setting
The following settings are possible by pressing the ENTER key, after selecting the display contents of the
LCD of the operator panel by using the
Settings are retained even when the printer power is turned off.
By press the ON LINE key, menu setting mode is completed an the printer returns to on-line state.
and keys.