3 EKI-1521/1522/1524 User Manual
Chapter 1 Overview
1.2 Features
Expand up 255 serial ports for one Windows 2000/XP/Vista (x86) host
Provides dual 10/100 Mbps auto-sensing Ethernet ports: establish two separate
Ethernet connection
Supports high transmission speed up to 921.6 Kbps
Supports various operation mode: COM port redirection (Virtual COM port),
TCP server/client, UDP server/client mode
Supports LED indicators: easy to diagnose
Supports integrated Configuration Utility and Port-Mapping Utility: easy to con-
figure and manage 255 COM ports and self-diagnostic
Supports multi-access features: allows maximum of five hosts to access one
serial port simultaneously
Allows maximum 16 hosts to access TCP client and command response mode
Easy to locate specific EKI-1500 serial device server
Mounts on DIN rail, or panel
Surge protection for RS-422/485 line and power supply
SNMP MIB-II for network managment
1.3 Specifications
LAN
Ethernet: 10/100 Mbps auto sensing
No. of Ports: 2
Port Connector: RJ45
Protection: Built-in 1.5 KV magnetic isolation
Serial Interface
Interface: RS-232/422/485, software selectable
No. of Ports:
– EKI-1521: 1
– EKI-1522: 2
– EKI-1524: 4
Port Connector: DB9 male
Baud Rate: 50 bps to 921.6 Kbps
Parity: None, Even, Odd, Space, Mark
Data bits: 5, 6, 7, 8
Stop bits: 1, 1.5, 2
Flow control: RTS/CTS, XON/XOFF, DTR/DSR
Signals:
– RS-232: TxD, RxD, CTS, RTS, DTR, DSR, DCD, RI, GND
– RS-422: TxD+, TxD-, RxD+, RxD-, GND
– RS-485: Data+, Data-, GND
Protection: 15 KV ESD for all signals, enhanced protection for RS-422/485 lines
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