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Features
❑ Auto-detecting 10/100 Mbps Ethernet
❑ 1/2/4 port RS-232/422/485 serial interface
❑ LCD IP address display and configuration
❑ Built-in Ethernet and TCP/IP protocol
❑ Supports Driver, TCP Server, TCP Client, UDP Server/Client, and Pair
Connection (only for DE-301/331) operation modes
❑ Ports on multiport units can be individually configured with different
operation modes
❑ Supports Windows Real COM drivers and Linux real tty drivers
❑ Automatic network connection recovery
❑ Suitable for both desktop and DIN-Rail installation
Product Specifications
Hardware
Processor 16 bit CPU
I/O controller:
DE-301/331
DE-302/332
DE-304/334
16C550C or compatible × 1
16C550C or compatible × 2
16C550C or compatible × 4
Memory 512 KB
Connector type Male DB9
Interface
LAN Auto-detecting 100Base-TX (10/100 Mbps)
Serial RS-232 or RS-422/485
No. of ports 1/2/4
Signals:
RS-232
RS-422
RS-485
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
TxD+/-, RxD+/-, RTS+/-, CTS+/-, GND
Data+/-, GND
Performance
Speed 50 bps – 230.4 Kbps
Max. No. of ports 256 (per Windows NT/2000/XP host)
128 (per Windows 95/98 host)