Oki RS-422 - Manual (Page 9)

RS-232C/RS-422 Serial Interface Option 1-3
4. Slide the cover towards the rear of the printer and then downwards to remove it.
5. Turning thumbscrews counter-clockwise, remove the blank metal plate covering one of the avail-
able network ports on the controller bracket.
NOTE: It is not necessary to remove the controller from your printer to install the serial interface. For
clarity, the following illustrations depict a controller removed from the printer. When facing the
front of the controller as shown below, network port 1 is on the right and network port 2 is on the
left. However, when installed in the printer, network port 1 is on the bottom and network port 2 is on
top. In the following few steps, a serial network interface is being installed in network port 2.