Ricoh D025 Service Manual page 1362

10. Reinstall the controller box.
11. Attach the ferrite core to the telephone cord for single SG3 board installation, or the
two ferrite cores to the telephone cords for double-SG3 board installation.
12. Connect the telephone cord to the "LINE 2" jack for single SG3 board installation, or
connect the telephone cords to the "LINE2" and "LINE3" jacks for double-SG3 board
installation.
13. Connect the power plug to a power outlet and turn on the main power switch.
14. Enter the service mode. Set bit 1 of communication switch 16 to "1" (SP1-104-023).
15. Set bit 3 of communication switch 16 to "1" (SP1-104-023) if you have installed two
SG3 boards.
16. Exit the service mode.
17. Turn the main power switch off and on.
18. Print out the system parameter list. Then check that "G3" shows as an option.
19. Set up and program the items required for PSTN-2 communications.
SM
G3 Interface Unit (D393)
21 D393