41356801TH Rev.1 133 /Appendix A RS-232C SERIAL INTERFACE (option)1) Connector• Printer side : 25-pin receptacleType DB-25S (made by Canon) or equivalent• Cable side : 25-pin plugType DB-25S (made by Canon)ShellType DB-C8-J10-F2-1 (made by Nihon Kouku Denshi) or equivalentNote: Plug shall be fixable with a lock screw.2) Cable• Cable length : 6 ft (1.8 m) max. (cable shall be shielded)Note: Cable is not provided.3) Interface signalPin No. Signal name Abbreviation Signal direction Functions1 Frame Ground FG Frame Ground2 Transmitted Data TD PR Transmitted Data3 Received Data RD PR Received Data4 Request to Send RTS PR Stay space level5 - (Not connected)6 - (Not connected)18 - (Not connected)7 Signal Ground SG Signal Ground9- (Not connected)1719 - (Not connected)20 Data Terminal Ready DTR PR Data terminal ready2125- (Not connected)~~• Connector pin arrangementWhen the Ready/Busy protocol is used for the buffer busy control method, the busy signal can beset to Pin-20 (DTR) in the menu.13251(View from the cable side)14
