Com Port Rs422/485 Termination Resistor Setting; Bios Update Setting - Advantech UNO-148 User Manual

A.7.3

COM Port RS422/485 Termination Resistor Setting

SW1
Description
Default
COM1
COM2
SW2
Description
Default
COM3
COM4
A.8

BIOS Update Setting

Use SW4 to set BIOS1/2 update selection, BIOS1 (Default), BIOS2 (PCIex4) for Fac-
tory Engineering staff use.
BIOS1: Configure to Setting 1 (Default)
Termination Resistor Setting
This switch is used to select Termination Resistor (120 ohm) for
long distance transmission or device matching.
Bit3 off & Bit8 off
Bit3 on
Bit8 on
Termination Resistor Setting
This switch is used to select Termination Resistor (120 ohm) for
long distance transmission or device matching.
Bit3 off & Bit8 off
Bit3 on
Bit8 on
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BIOS2: Configure to Setting 3
UNO-148 User Manual