2K3/2L3
2-3-13
YC19 1 EH_CLK O 0/3.3 V DC(pulse) Document finisher clock signal
Connected to 
document 
finsher
2 EH_SI I 0/3.3 V DC(pulse) Serial communication data signal
3 EH_SO O 0/3.3 V DC(pulse) Serial communication data signal
4 BR_SEL O 0/3.3 V DC Bridge unit select signal
5 DF_SEL O 0/3.3 V DC Document finisher select signal
6 DF_RDY I 0/3.3 V DC Document finisher ready signal
7 DF_SET O 0/3.3 V DC Document finisher set signal
8 3.3V4 O 3.3 V DC 3.3 V DC power output to DF
9 3.3V4 O 3.3 V DC 3.3 V DC power output to DF
10 GND - - Ground
11 GND - - Ground
YC20 1 EH_CLK O 0/3.3 V DC(pulse) Paper feeder clock signal
Connected to 
paper feeder
2 EH_SI I 0/3.3 V DC(pulse) Serial communication data signal
3 EH_SO O 0/3.3 V DC(pulse) Serial communication data signal
4 PF_SEL O 0/3.3 V DC Paper feeder select signal
5 PF_RDY I 0/3.3 V DC Paper feeder ready signal
6 PF_SET O 0/3.3 V DC Paper feeder set signal
7 PF_PAUSE O 0/3.3 V DC Paper feeder control signal
8 24V4 O 24 V DC 24 V DC power output to paper feeder
9 3.3V0 O 3.3 V DC 3.3 V DC power output to paper feeder
10 3.3V4 O 3.3 V DC 3.3 V DC power output to paper feeder
11 GND - - Ground
12 GND - - Ground
YC21 1 GND - - Ground
Connected to 
power source 
PWB and 
temperature 
sensor
2 HUM_DATA I Analog TEMS detection voltage(Humidity)
3 HUM_CLK2 O 0/3.3 V DC(pulse) TEMS clock sijgnal
4 HUM_CLK1 O 0/3.3 V DC(pulse) TEMS clock sijgnal
5 TEM_DATA I Analog TEMS detection voltage(Temperature)
6 3.3V4 O 3.3 V DC 3.3 V DC power output to TEMS
7 ILVCC O 3.3 V DC 3.3 V DC power output to PSPWB
8 CHREM O 0/3.3 V DC CH: On/Off
9 SHREM O 0/3.3 V DC FH2: On/Off
10 MHREM O 0/3.3 V DC FH1: On/Off
11 RELAYREM O 0/3.3 V DC Power relay signal: On/Off
12 ZCROSS I 0/3.3 V DC(pulse) Zero-cross signal
13 SELECT O 0/3.3 V DC Destination selection signal
Connector Pin Signal I/O Voltage Description