IEI Integration NANO-PV-D4251_N4551_D5251 - Manual (Page 62)

NANO-PV-D4251/N4551/D5251 EPIC SBC
Page 49
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
Figure 4-6: COM 3 RS-422/485 Function Select Jumper Location
4.5.6 CompactFlash® Card Setup
Jumper Label: JCF1
Jumper Type: 2-pin header
Jumper Settings: See Table 4-7
Jumper Location: See Figure 4-4
The CompactFlash® slot is connected through an IDE connection. This jumper sets the
CompactFlash® card as the master or slave IDE device.