Advantech ITA-460 Series User Manual page 23

2.2.2.4 COM port RS-485 termination option
ITA-460 single board computer contains a jumper that can set Watchdog mode.
Table 2.5: TERM1 (COM port RS-485 termination option)
TERM1
FootPrint
Setting
(1-2)
(1-3)
(4-6)
(5-6)
COM port RS-485 termination option
3 x 2 Pin
open
closed (1-3) and (4-6)
Function
COM1 RS-485 has termination
COM1 RS-485 has no termination (Default)
COM2 RS-485 has no termination (Default)
COM2 RS-485 has termination
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