Samsung SCX-6545N Service Manual page 58

2.3.1.3 Interface between Finisher and Engine
< Block Diagram >
[ Engine ]
UART
< Protocol Specification >
- Transmission System: Serial, UART, Full Duplex
- Voltage Level: TTL Level (3.3V)
- Baud Rate: 38,400 bps 3%
- Data Length: 8 bit
- Stop bit: 1 bit
- Parity: No
Service Manual
Finisher
3.3V
5.0V
24.0V
nFIN_RESET
FIN_DETECT
TxD R
TTL
RxD T
TTL
Power
TTL
TTL
2-46
[ Finisher ]
xD
UART
xD
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