IEI Integration AFL-15i-HM55 v2.00 - Manual (Page 40)

AFL-HM55 Series Panel PC
Page 29
3.9.4 COM1 Pin 9 Setting
Jumper Label: JP7 and JP8
Jumper Type: 6-pin header
Jumper Settings: See Table 3-4 and Table 3-5
Jumper Location: See 1Figure 3-8 and Figure 3-8
Two jumpers (JP7 and JP8) 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 the
tables below.
JP7 Description
Short 1-2 COM1 RI +12 V
Short 3-4 COM1 RI Normal
Short 5-6 COM1 RI Pin +5 V
Table 3-4: COM1 Pin 9 Setting Jumper Settings
The JP7 jumper location is shown below.