1 RS-232/422/485 serial port for secured serial data over Ethernet transmission
Software-configurable termination (120 Ω) and pull high/low resistor (1K ohms or 150K ohms) integrated to the RS-485 mode to avoid signal reflection
Secured operation modes – Secure Real COM, Secure TCP Server / Client, Secure Serial Tunneling Server / Client,Console Management (SSH), and Console Management Direct (SSH)
Standard operation modes – Real COM, TCP Server / Client, Serial Tunneling Server / Client, UDP, Console Management (Telnet), and Console Management Direct (Telnet)
Real COM, Real TTY, and Fixed TTY drivers for Windows, Linux, and UNIX
Convenient console management access via Java viewer (SSH / Telnet) or third-party clients such as PuTTY
Easy console port access via Java viewer and Sun Solaris ready (“break-safe”)
Multiple users can simultaneously access the same port – up to 16 connections per port
Support Modbus gateway to convert between Modbus TCP and Modbus RTU / ASCII protocols
Hardware
Redundant power input (power jack and terminal block) for fail-safe power
Surge protection for serial, Ethernet, and power
DIN-rail mounting, wall mounting, rack mounting, and desktop installation available
Supports secured login from browsers with TLS 1.2 data encryption and RSA 2048-bit certificates
Configurable user permissions for port access and control
Local and remote authentication and login
Third-party authentication (e.g. RADIUS)
IP address filter for security protection
System Management
Browser access with an intuitive GUI design
Web-based quick setup wizard for fast configuration
Terminal-based access with a menu-driven UI via Telnet / SSH
Online / Offline detection of connected serial devices (including terminal blocks) – automatically sending event notifications when the devices are offline (e.g. power failure) for device status monitoring
System event logs and port logs will be saved to an internal memory or Syslog server
SNMP agent (v1 / v2c)
Event notification – supports notification of SMTP email and SNMP Trap (v1 / v2c)
Backup / Restore system configuration and upgradeable firmware
64 KB port buffer prevents data loss when the network is down