Com 2 Function Select Jumper; Figure 4-7: Pci-104 Voltage Jumper Location; Table 4-6: Pci-104 Voltage Jumper Settings; Table 4-7: Com 2 Function Select Jumper Settings - IEI Technology PM-PV-N4551/D5251 User Manual

Setting Description
1-2 +5.0 V
2-3 +3.3 V

Table 4-6: PCI-104 Voltage Jumper Settings

Figure 4-7: PCI-104 Voltage Jumper Location

4.6.6 COM 2 Function Select Jumper

Jumper Label:
Jumper Type:
Jumper Settings:
Jumper Location:
The COM 2 Function Select jumper sets the communication protocol used by the second
serial communications port (COM 2) as RS-232, RS-422 or RS-485.
Setting
1-2
3-4
5-6

Table 4-7: COM 2 Function Select Jumper Settings

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PM-PV-N4551/D5251 User Manual
JP2
6-pin header
See Table 4-7
See Figure 4-8
Description
RS-232
RS-422
RS-485