User manual

TPC-1071H/1271H/1571H/1771H User Manual 50
A.3 Serial Port Settings
TPC-1x71 series has 3 RS-232 serial ports (2 external ports with isolation and 1
internal port without isolation) and 2 RS-422/485 serial ports (1 external port with iso-
lation and 1 internal port without isolation) which are:
The connector location is shown in the following figure.
RS-232 RS-422/485
External
(w/ isolation)
COM1, COM2 COM3
Internal (Option)
(w/o isolation)
COM5 COM6