IEI Integration NANO-PV-D4252_N4552_D5252 - Manual (Page 63)

NANO-PV-D4252/N4552/D5252 EPIC SBC
Page 49
Figure 4-5: COM 3 Function Select Jumper Location
4.5.5 COM 3 RS-422/485 Function Select Jumper
Jumper Label: J6
Jumper Type: 6-pin header
Jumper Settings: See Table 4-5
Jumper Location: See Figure 4-5
The COM 3 Function Select jumper sets the communication protocol used by the second
serial communications port (COM 3) as RS-422 or RS-485. The COM 3 Function Select
settings are shown below.
Setting Description
1-3, 2-4 RS-422
3-5, 4-6 RS-485
Table 4-6: COM 3 RS-422/485 Function Select Jumper Settings