User manual

53 TPC-1071H/1271H/1571H/1771H User Manu-
Appendix A Main Board Connector and Switch Settings
2. Enter into Advanced tab and select SuperIO Configuration
3. Select Serial Port3 Mode (COM3) for RS-422/ 485 mode setting. Also, select Serial
Port6 Mode (COM6) for RS-422/ 485 mode setting. The default setting is RS-422 mode.