Lantronix 485 2.7 Technical Specifications

Introduction

2.7 Technical Specifications

Table 3 - Technical Specs

The transceiver used in the NET485 is intended for balanced data transmission and complies with both EIA

Standards RS-485 and RS-422. It contains a differential line driver and a differential line receiver, and is

suitable for half-duplex transfer. The input impedance is 19KOhm allowing up to 50 transceivers to be

connected on the bus.

Category Description

CPU DSTni-EX 186 CPU, 256 KB zero wait state SRAM

2048KB Flash, 16KB Boot ROM, 1024KB SRAM

Firmware Upgradeable via TFTP

Reset Circuit Reset In is low active. (Software reset only)

Serial Interface RS422/485. Baudrate software selectable (300 to 921600)

Serial Line Formats 7 or 8 data bits, 1-2 Stop bits, Parity: odd, even, none

Network Interface RJ45 Ethernet 10Base-T or 100Base-TX (Auto-sensing)

Compatibility Ethernet: Version 2.0/IEEE 802.3

Protocols Supported ARP, UDP, TCP, Telnet, ICMP, SNMP, DHCP, BOOTP, TFTP, Auto IP, SMTP, and

HTTP

Power Input 8VDC to 24VDC, approximately 200ma.

LEDs 10Base-T & 100Base-TX Activity, Full/half duplex.

Management Internal web server, SNMP (read only) Serial login, Telnet login

Security Password protection, Locking features, optional Rijndael 128-bit encryption

Internal Web Server Serves static web pages and Java applets

Weight 1.7oz

Material Case: Flame Retardant

Temperature Operating range: -40°C to +85°C (-40°F to 185°F) High performance mode has an

upper temperature limit of 75°C.

Relative Humidity Operating: 5% to 95% non-condensing

Warranty 1-year limited warranty

Included Software Windows™ 98/NT/2000/XP based Device Installer configuration software, Windows™

based Comm Port Redirector.

EMI Compliance Radiated & conducted emissions - complies with Class B limits of EN 55022:1998

Direct & Indirect ESD - complies with EN55024:1998

RF Electromagnetic Field Immunity - complies with EN55024:1998

Electrical Fast Transient/Burst Immunity - complies with EN55024:1998

Power Frequency Magnetic Field Immunity - complies with EN55024:1998

RF Common Mode Conducted Susceptibility - complies with EN55024:1998

2-6 NET485 User Guide

Contents

Main NET485 RS422/485 Serial to Ethernet Adapter Page Copyright and Trademark Grid Connect Technical Support Disclaimer and Revisions Warranty Table of Contents Page List of Figures List of Tables Page 1. NET485 Overview 1.1 Overview 1.2 Overview of RS422 / RS485 1.2.1 The RS485 Enable Signal 1.2.2 NET485 Wiring Overview NET485 User Guide 1-3 D R U2 U4 1.3 RS422 / RS485 Network connections 1.3.1 RS422 Networks Overview 1.3.2 RS485 Networks NET485 User Guide 1-5 Figure 3 - RS485 Network Page 2. Introduction 2.1 Protocol Support 2.2 Serial RS422/485 Interface 2.3 Power Supply 2.4 Ethernet Interface 2.5 Product CD 2.6 Additional Documentation 2.7 Technical Specifications 3. Device Installer 3.1.1 Microsoft NET Framework 3.1.2 Install Device Installer 3.1.3 RUN Device Installer 3.1.4 Device Found 3.1.5 Assign IP 3.1.6 Assignment 3.2 Using Device Installer 3.2.1 Viewing the Current Configuration Device Installer 3-6 NET485 User Guide 3.3 Configuration Using Web Manager 3.3.1 Accessing XPort Using Device Installer 3.4 Network Configuration 3.4.1 Automatic IP Address Configuration 3.4.2 Static IP Address Configuration 3.4.3 Ethernet Configuration 3.5 Server Configuration 3.6 Host List Configuration 3.7 Channel 1 Configuration Device Installer Port Settings NET485 User Guide 3-13 Pack Control Flush Input Buffer (Serial to Network) 3.7.1 Connection Settings - TCP Device Installer 2. In the available fields, enter or modify the following information: Connect Protocol NET485 User Guide 3-15 Connect Mode: Passive Connection Connect Mode: Active Connection Endpoint Configuration Disconnect Mode 3-16 NET485 User Guide 3. When you are finished, click the OK button. 4. On the main menu, click Apply Settings. 3.7.2 Connection Settings - UDP 3.8 Email Settings 3.8.1 Trigger Configuration 3.9 Configurable Pin Settings 3.10 Apply Settings 3.11 Apply Factory Defaults 3.12 Configuration Using Telnet 3.12.1 Telnet Connection Device Installer 3.12.2 Telnet Messages 3-22 NET485 User Guide 3. The window displays: Device Installer Figure 10 - Setup Mode Window NET485 User Guide 3-23 3.13 Server Configuration (Option 0 Network Configuration) 3.13.1 IP Address 3.13.2 Set Gateway IP Address 3.13.3 Netmask: Number of Bits for Host Part Table 5 - Netmask Examples Netmask Host Bits 3.13.4 Change Telnet configuration password 3.13.5 DHCP Naming 3.14 Channel 1 Configuration (Serial Port Parameters) 3.14.1 Baudrate 3.14.2 I/F (Interface) Mode 3.14.3 Flow 3.14.4 Port Number 3.14.5 Connect Mode Table 10 - Connect Mode Options Connect Mode Option 7 6 5 4 3 2 1 0 Page Page Page Page 3.14.6 Send the Escape Sequence (+++) in Modem Mode 3.14.7 Auto Increment Source Port 3.14.8 Remote IP Address 3.14.9 Remote Port 3.14.10 DisConnMode 3.14.11 Flush Mode (Buffer Flushing) 3.14.12 Pack Control 3.14.13 DisConnTime (Inactivity Timeout) 3.14.14 Send Characters 3.14.15 Telnet Terminal Type 3.14.16 Channel (Port) Password 3.15 E-mail Settings 3.15.1 E-mail Setup 3.15.2 Trigger Setup 3.16 Expert Settings 3.16.1 TCP Keepalive time in seconds 3.16.2 ARP Cache timeout in seconds 3.16.3 Enable High Performance 3.16.4 Disable Monitor Mode at Bootup Page 3.17 Security Settings 3.17.1 Disable SNMP 3.17.2 SNMP Community Name 3.17.3 Disable Telnet Setup 3.17.4 Disable TFTP Firmware Upgrade 3.17.5 Disable Port 77FE (Hex) 3.17.6 Disable Web Server 3.17.7 Disable Web Setup 3.17.8 Disable ECHO Ports 3.17.9 Enable Encryption 3.18 Defaults 3.19 Exit Configuration Mode 4. Monitoring the Network 4.1.1 Entering Monitor Mode via the Network Port 4.1.2 Monitor Mode Commands Page 5. Updating Firmware 5.1 Obtaining Firmware 5.1.1 Reloading Firmware 5.1.2 Via Device Installer Page Troubleshooting 6. Troubleshooting NET485 User Guide 6-1 6.1.1 Problems and Error Messages Problem/Message Reason Solution Problem/Message Reason Solution Troubleshooting 6-2 NET485 User Guide 7. Binary to Hex Conversion 7.1.1 Conversion Table 7.1.2 Scientific Calculator