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Elo TouchSystems 15A2 User Guide 43
COM1, COM2 Connector(RS232 Mode)
Pin # Signal Name
1 Ground
2 Receive Data (RD)
3 Clear to send (CTS)
4 Signal ground
5 Transmit Data (TD)
6 Request to Send (RTS)
7 +5 vdc
8 +5 vdc return
RS422 Mode Pin Definition(for COM2 only)
Pin # Signal Name
1 Ground
2 TX+
3 TX-
4 Signal ground
5 RX+
6 RX-
7 +5 vdc
8 +5 vdc return
RS485 Mode Pin Definition(for COM2 only)
Pin # Signal Name
1 Ground
2DATA+
3DATA-
4 Signal ground
5
6
7 +5 vdc
8 +5 vdc return