Pacific Scientific OC950 - Serial Port J51

MA950 3-13
332Ω
332Ω
332Ω
10Ω
10Ω
1000PF
1000PF
1000PF
GND
GND
SERIAL PORT
J51
GND
GND
GND
GND GND GND GND
GND
GND GND
+12B
+5VB
USER_+5V
+5V
TO MPU
-12B
1
1
1
1
1
1
1
4
4
4
4
3
3
3
3
3
R
VCC-
GND
RXD
TXD
74AC08
RS-485_ENABLE
GND
GND
SN75155
75176
75176
VCC+
VCC
VCC
T
TXD232
9CONT
TXD485+
RXD485+
TXD485-
RXD485-
RXD232
COM_+5V
5
5
6
5
5
7
7
7
7
6
6
8
8
9
8
8
2
2
2
2
2
2
2
OC950 Serial
Communications
Transceiver
Schematic