IEI Integration AFL-W19A_W19B_17D_W15A-N270 v1.06 - Manual (Page 34)

AFL-W19A/W19B/17D/W15A-N270 Panel PC
Page 22
2.5.5 COM Port Pin 9 Select
Jumper Label: JP6 and JP7
Jumper Settings: See Table 2-6
Jumper Type: 6-pin header
Jumper Location:
See Figure 2-10
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
2-6.
JP6 Description
Short 1-2 COM1 RI Pin use +12 V
Short 3-4 COM1 RI Pin use RI
Short 5-6 COM1 RI Pin use +5 V
Table 2-6: COM1 Pin 9 Setting Jumper Settings
JP7 Description
Short 1-2 COM3 RI Pin use +12 V
Short 3-4 COM3 RI Pin use RI
Short 5-6 COM3 RI Pin use +5 V
Table 2-7: COM3 Pin 9 Setting Jumper Settings
The COM1 and COM3 Pin 9 Setting jumper locations are shown in Figure 2-10 below.