IEI Integration PCISA-PV-D4251_N4551_D5251 - Manual (Page 61)

PCISA-PV-D4251/N4551/D5251 CPU Card
Page 48
The location of the clear CMOS jumper is shown in Figure 4-4 below.
Figure 4-4: Clear CMOS Jumper
4.4.3 COM 2 Function Select Jumper
Jumper Label: JP2
Jumper Type: 6-pin header
Jumper Settings: See Table 4-4
Jumper Location: See Figure 4-5
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. The COM 2 Function
Select settings are shown in Table 4-4.
COM 2 Function Select Description
Short 1-2 RS-232 Default
Short 3-4 RS-422
Short 5-6 RS-485
Table 4-4: COM 2 Function Select Jumper Settings
The COM 2 Function Select jumper location is shown in Figure 4-5.