Owner's manual
Table Of Contents
- 42AFL-xxA-N270 Series Flat Panel PC
- 1 Introduction
- 2 Detailed Specifications
- 3 Unpacking
- 4 Installation
- 4.1 Anti-static Precautions
- 4.2 Installation Precautions
- 4.3 Preinstalled Components
- 4.4 Installation and Configuration Steps
- 4.5 Removing the Back Cover
- 4.6 CF Card Installation
- 4.7 HDD Installation (AF-12A-N270 Only)
- 4.8 AT/ATX Mode Selection
- 4.9 Jumper Settings
- 4.10 Mounting the System
- 4.11 Bottom Panel Connectors
- 5 System Maintenance
- 6 AMI BIOS Setup
- 7 Software Drivers
- A System Specifications
- B Safety Precautions
- C BIOS Configuration Options
- D Watchdog Timer
- E Hazardous Materials Disclosure
- F Index
AFL-xxA-N270 Series Panel PC
Page 40
4.9.5 COM3 RX Function Select Jumper
Jumper Label:
JP9
Jumper Type:
8-pin header
Jumper Settings:
See
Table 4-8
Jumper Location:
See
Figure 4-9
The COM3 RX Function Select jumper sets the communication protocol used by the RX
serial communications port COM3 as RS-232, RS-422 or RS-485. The COM3 RX
Function Select jumper settings are shown in
Table 4-8.
COM3 RX Function Select Description
Short 3-4 RS-232 Default
Short 1-2, 5-6 RS-422
Short 1-2, 7-8 RS-485
Table 4-8: COM3 RX Function Select Jumper Settings
The COM3 RX Function Select jumper location is shown in Figure 4-9.
Figure 4-9: COM3 RX Function Select Jumper Location