Electrical Connections Epic 950 OEM Integration Manual
95-05245 Rev G Page 39
Dual Port RS232 Communications Interface PCB
The Dual Port RS232 Communications interface contains three connectors
§ RS232 Communications14 position Molex Minifit Jr®., part number 39-30-1140
which mates with Molex part number 39-01-2040 or equivalent.
§ I2C Communications -2 two modular RJH connections for a secondary I
2
C port.
The two modular connectors are electrically connected to allow daisy chaining of
multiple devices.
1 2 3 4 5 6 7
8 9 10 11 12 13 14
1 2 3 4
1 2 3 4
NETPLEX Communication PCB Pin-Outs
RS 232 Connector
Pin # FUNCTION I/O
1 MRESET (Active low) I
2 Not Connected N/C
3 +12 VDC I
4 Not Connected N/C
5 GND -
6 +24VDC -
7 GND -
8 +24VDC -
9 Bezel Lamp – Switched +24VDC O
10 FGND -
11 RS232 RXD I
12 RS232 TXD O
13 DTR O
14 RTS O
I
2
C Port
Pin # FUNCTION
1 RESET I
2 SCL I
3 SDA I/O
4 GND
Table 6. Dual Port RS232 Communication PCB Pin-Outs
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