User manual

NANO-GX User Manual
Page 68
Figure 4-3: AT Power Mode Select Jumper Pinout Location
4.3.2 COM1/2 Port RI and Voltage Select ( Optional )
Jumper Label: JP6
Jumper Type:
10-pin header
Jumper Settings:
See
Table 4-3
Jumper Location:
See
Figure 4-5
The COM 1/2 Port RI and Voltage Select jumper configures pin 9 on COM 1 and COM 2
as either a +5V, +12V power source or as a ring-in (RI) line. The jumper selection options
are shown in
Table 4-3. The jumper location is shown in Figure 4-4.
JP6 Description
Short 1 – 3 COM 1 RI Pin use +12V
Short 3 – 5 COM 1 RI Pin use +5V
Short 7 – 9 COM 1 RI Pin use RI Default
Short 2 – 4 COM 2 RI Pin use +12V
Short 4 – 6 COM 2 RI Pin use +5V
Short 8 – 10 COM 2 RI Pin use RI Default
Table 4-3: COM 1/2 RI and Voltage Select Jumper Settings