IEI Integration AFL-08B-N270 v2.30 - Manual (Page 34)

AFL-08B-N270 User Manual
Page 34
Figure 2-5: Clear CMOS Jumper
2.5.4 COM Port Pin 9 Select
Jumper Label: JP8 and JP10
Jumper Settings: See
5
Table 2-4
Jumper Location: See
5
Figure 2-6
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
5
Table
2-4 .
JP8 Description
Short 1-3 COM1 RI Pin use +12 V
Short 3-5 COM1 RI Pin use +5 V
Short 7-9 COM1 RI Pin use RI Default
Table 2-4: 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 2-5: COM3 Pin 9 Setting Jumper Settings
The COM1 and COM3 Pin 9 Setting jumper locations are shown in
5
Figure 2-6 below.