Specifications

7. INTERFACE CIRCUIT
The copier CPU and the DF CPU communicate via the interface board and
fiber optics. The interface board changes the optical signals to electrical
signals (and vice versa).
Copier Main Board (PCB1)
Interface Board (PCB6) DF Main Board (PCB1)
CN133-A14
CN133-B14
CN106-4
CN106-3
CN133-A1
CN133-B1
CN201-A14
CN201-B14
CN201-B3
CN201-A3
CN201-A1
CN201-B1
+5V CN206
CPU
RXD
Fiber Optics
Fiber Optics
CN106
+5V
+5V
TXD
RXD
CPU
TXD
1 December 1990
8-9