Serial Ports Interface - AXIOMTEK IFO2175-830 Series User Manual

2.4

Serial Ports Interface

The IFO2175-830 series 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
1 Data Carrier Detect (DCD)
2 Receive Data (RXD)
3 Transmit Data (TXD)
4 Data Terminal Ready (DTR)
5 Ground (GND)
In addition, COM1 can be set for RS-232/422/485 by jumper. The jump
setting is listed as below:
COM1
RS-232 (default)
RS-422
RS-485
Hardware Installation
IFO2175-830 Series Panel PC User's Manual
Pin
6 Data Set Ready (DSR)
7 Request To Send (RTS)
8 Clear To Send (CTS)
9 Ring Indicator (RI)
JP11 JP12
3-5, 4-6 3-5, 4-6
1-3, 2-4 1-3, 2-4
1-3, 2-4 1-3, 2-4
Signal
JP13
1-2
3-4, 7-8
5-6, 7-8
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