4 com port pin 9 select, Figure 4-7: clear cmos jumper, Table 4-4: com1 pin 9 setting jumper settings – IEI Integration AFL-xxA-N270-Series v1.03 User Manual
Page 54: Table 4-5: com3 pin 9 setting jumper settings, See figure 4-7, Own in figure 4-7
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AFL-xxA-N270 Series Panel PC
Page 38
Figure 4-7: Clear CMOS Jumper
4.9.4 COM Port Pin 9 Select
Jumper Label:
JP8
and JP10
Jumper Settings:
Jumper Location:
Two jumpers (JP8 and JP10) configure pin 9 on COM1 and COM3 DB-9 connectors. Pin 9
on the COM1 and the COM3 DB-9 connectors can be set as the ring (RI) signal, +5 V or
+12 V. The COM1 and COM3 Pin 9 Setting jumper selection options are shown in Table
JP8
Description
Short 1-3
COM1 RI Pin use +12 V
Short 5-7
COM1 RI Pin use +5 V
Short 7-9
COM1 RI Pin use RI
Default
Table 4-4: COM1 Pin 9 Setting Jumper Settings
JP10
Description
Short 1-2
COM3 RI Pin use +12 V
Short 3-4
COM3 RI Pin use RI
Default
Short 5-6
COM3 RI Pin use +5 V
Table 4-5: COM3 Pin 9 Setting Jumper Settings
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