Com Connector; Audio Connector - Advantech ITA-5831 Series User Manual

2.3.1

COM connector

ITA-5831 provides two RS-232/422/485 DB9 connectors. The default setting is RS-
232.
Table 2.5: COM Connector Pin Definition
RS-232
Pin Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
2.3.2

Audio connector

Table 2.6: Audio Connector Pin Definition
Pin Signal Name
1 MICR
2 GND_AUD
3 GND_AUD
4 MIC_JD
5 MICL
ITA-5831 User Manual
RS-422
Signal Name
Tx-
Tx+
Rx+
Rx-
NC
NC
NC
NC
NC
Pin Signal Name
6 LOUTR
7 GND_AUD
8 Front_JD
9 LOUTL
12
RS-485
Signal Name
DATA-
DATA+
NC
NC
NC
NC
NC
NC
NC