IEI Integration AFL-15A-N270 v2.10 - Manual (Page 47)

AFOLUX AFL-15A-N270 Panel PC
Page 47
Figure 4-7: Clear CMOS Jumper
4.9.5 COM Port Pin 9 Select
Jumper Label: JP6 and JP7
Jumper Settings: See Table 4-5
Jumper Type: 6-pin header
Jumper Location: See Figure 4-8
Two jumpers (JP6 and JP7) 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
4-5 .
JP6 Description
Short 1-2 COM1 RI Pin use +12 V
Short 3-4 COM1 RI Pin use RI Default
Short 5-6 COM1 RI Pin use +5 V
Table 4-5: COM1 Pin 9 Setting Jumper Settings