User Manual

AFL2-W15A-N270 Panel PC
Page 23
Short 7-9 COM1 RI Pin use +5 V (Default)
Table 2-5: COM1 Pin 9 Setting Jumper Settings
The COM1 Pin 9 Setting jumper locations are shown in Figure 2-12 below.
Figure 2-12: COM1 Pin 9 Setting Jumper Location
2.7.5 COM 3 Port Pin 9 Select
Jumper Label: JP7
Jumper Type:
6-pin header
Jumper Settings:
See
Table 2-6
Jumper Location:
See
Figure 2-13
The jumper configures pin 9 on COM3 DB-9 connectors. Pin 9 on the COM3 DB-9
connector can be set as the ring (RI) signal, +5 V or +12 V. The COM3 Pin 9 Setting
jumper selection options are shown in
Table 2-5.
JP7 Description
Short 1-2 COM3 RI Pin use +12 V
Short 3-4 COM3 RI Pin use RI (Default)