IEI Technology AFL3-W15B-H81, User Manual, Page: 38 / 138

AFL3-W15B-H81 Panel PC
Page 24
The COM1 DB-9 serial port pin 9 setting jumper location is shown in
Figure 3-8
below.
Figure 3-8: COM1 DB-9 Serial Port Pin 9 Setting Jumper Location
3.8 RS-232 or RS-422/485 Selection for COM1 Serial Port
The COM1_SEL1 jumper sets the communication protocol used by the COM1 serial
communications port as RS-232 or RS-422/485. The jumper selection options are shown
in
Table 3-2
.
NOTE:
The
Device Mode
BIOS option in the
Serial Port 1 Configuration
menu should have the same settings as set in the COM1_SEL1 jumper.
COM_SEL1 Description
Open 1-2, 3-4, 5-6 & 7-8 RS-232 (Default)
Short 1-2, 3-4, 5-6 & 7-8 RS-422/485
Table 3-2: COM1_SEL1 Jumper Settings