TOPSCCC EX-93821, Manual

Page: 44 / 123

EX-93821/EX-93823 Flat Panel PC
Page 44
JP3 Description
Short 1-2 COM3 pin-9 is 12V output
Short 3-4 COM3 pin-9 is RI input Default
Short 5-6 COM3 pin-9 is 5V output
Table 3-5: COM3 Pin-9 Signal Select Jumper Settings
The location of the COM3 Pin-9 Signal Select jumper is shown in
Figure 3-4
below.
Figure 3-4: COM3 Pin-9 Signal Select Jumper Location
3.7.3 COM1 and COM2 Pin-9 Signal Select Jumper Settings
Jumper Label: JP4
Jumper Type:
2-pin header
Jumper Settings:
See
Table 3-6
Jumper Location:
See
Figure 3-5
The COM1 and COM2 pin-9 signal can be selected as 12V, 5V or Ring.