Muratec MFX-C4000 Field Engineering Manual page 47

2.3.2.9 SCF/HCF PBA
A SCF PBA is a option cassette controlling. A max. of 2 cassettes are connected on a purpose of
feeding paper. It consists one controller (S3F443FX) and two motor drive IC to control feeding timing through
Uart communication with a Main controller.
This PBA is also used in HCF. Key function is same with SCF and HCF & SCF can be able to be composed
together.
No. Signal Name
1 24V
2 3.3V
3 GND
4 TxD
5 RxD
6 nBUSY
7 nCMDREQ
8 Reserved1
9 Reserved2
Service Manual
Product Specifications and Features
Direction Active Level
POWER
POWER
POWER
OUT
IN
OUT
OUT
I/O
I/O
2-33
-
-
-
- Data Transmission
-
LOW SCF TxD Line Busy
LOW Command Request
LOW
LOW
Description
+24V Power
+3.3V Power
Signal Ground
Data Receive
Reserved
Reserved