7.
Connection Diagram
43984801TH Rev.1
121 /
Oki Data CONFIDENTIAL
• CN4 Connector Pin Allocation
(Connection to USB I/F)
Pin No. I/O
Signal
Function
1
I
vbus
Power
2
I/O
D-
Serial Data
3
I/O
D+
Serial Data
4
C
GND
Logic Ground
• CN5 Connector Pin Allocation
(Connection to LAN I/F)
Pin No. I/O
Signal
Function
1
O
TXD+
Transmission
2
O
TXD-
Transmission signal -
3
I
RXD+
Reception
4
-
NC
Not used
5
-
NC
Not used
6
I
RXD-
Reception signal -
7
-
NC
Not used
8
-
NC
Not used
• PW Connector Pin Allocation
(Connection to the low-voltage power)
Pin No. I/O
Signal
Function
1
1
O
HEATON-N
Heater ON
2
2
I
+5V
Logic Circuit Power Supply
3
3
I
+5V
Logic Circuit Power Supply
4
4
C
GND
Logic Ground
5
5
C
GND
Logic Ground
6
6
I
ZCROSS
AC zero cross signal
7
7
C
0VP
Analog Ground
8
8
I
+24V
Motor/ Fan/ Clutch Drive Power
