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FPC 5084 User Manual
Hardware Installation
11
2.2 Serial Ports Interface
The
FPC 5084
has two onboard serial ports, COM1 (RS-232/
422/ 485) and COM2 (RS-232).
The following table shows you the pin assignments of this connector:
Pin
Signal
Pin
Signal
1
Data Carrier Detect (DCD)
6
Data Set Ready (DSR)
2
Receive Data (RXD)
7
Request To Send (RTS)
3
Transmit Data (TXD)
8
Clear To Send (CTS)
4
Data Terminal Ready (DTR)
9
Ring Indicator (RI)
5
Ground (GND)
In addition, COM1 can be set for RS-232/422/485 by jumper. The
jump setting is listed as below:
CO
M1
JP
11
JP
12
JP
13
RS-232 (default)
3-5, 4-6
3-5, 4-6
1-2
RS-422
1-3, 2-4
1-3, 2-4
3-4, 7-8
RS-485
1-3, 2-4
1-3, 2-4
5-6, 7-8