IBM Infoprint 6700 Series User Manual page 37

If your printer is equipped with the optional Wireless and Optional GPIO it
will appear as illustrated below.
Wireless And GPIO Interface Panel
c. Coax Connection
Attach a suitable coaxial cable from the computer to the coax
connector located in the I/O plate in the back of the printer.
d. Twinax Connection
Attach a suitable twinax cable from the computer to the twinax
connector located in the I/O plate in the back of the printer.
e. Ethernet Connection
Insert a suitable Ethernet cable from your hub or switch to the
Ethernet connector located in the I/O panel in the rear of your printer.
Installation
Wireless
Antenna
Wireless
Interface
37