IEI Integration ECW-281B_B2-D525 - Manual (Page 51)

ECW-281B/B2-D525 Embedded System
Page 38
4.2.4.5 COM 1 Pin 9 Setting Jumper
Jumper Label: JP2
Jumper Type: 6-pin header
Jumper Settings: See
5
Table 4-6
Jumper Location:
See
5
Figure 4-6
The COM 1 Pin 9 Setting jumper configures pin 9 on COM 1 as either a +5 V, +12 V power
source or as a ring-in (RI) line. The COM 1 Pin 9 Setting jumper selection options are
shown in
5
Table 4-6.
Setting Description
Short 1-3 COM 1 RI Pin use +5 V
Short 3-5 COM 1 RI Pin use +12 V
Short 3-4 COM 1 RI Pin use RI (Default)
Table 4-6: COM 1 Pin 9 Setting Jumper Settings
Figure 4-6: COM 1 Pin 9 Setting Jumper Location