Ricoh D017 Service Manual page 134

Controller Options
2.23 CONTROLLER OPTIONS
2.23.1 CONTROLLER BOARD SLOTS
Interface Board, SD Card Slots
The machine controller box has one board slot and two SD card slots.
Only one interface board option can be installed.
Only two SD cards are available for applications and maintenance.
Board Slots
No. Name
1 ISDN
2 Line 3
3 Line 1
SM
Jack for ISDN connection (Japan Only)
Not used. (G4 is not available for installation outside
Japan at this time.)
Jack for the main telephone line from the outside for
connection to Fax Option (D361).
2-88
Description
D017/D018/D019/D020/D084/D085