ADAM-4572 & EKI-122X Series User Manual 10
2.2.2 EKI-1221D/1222D
LAN
Ethernet 10/100Mbps, RJ45
No. of Ports 2
Protection Built-in 1.5 KV magnetic isolation
Serial Interface
Interface RS-232/422/485
No. of Ports EKI-1221D: 1
EKI-1222D: 2
Connector Type D-Sub 9 male
Parity None, Even, Odd, Space, Mark
Data bits 7, 8
Stop bits 1, 2
Flow Control RTS/CTS, XON/XOFF
Speed 50 bps to 921.6 kbps
Signals
RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND
RS-422 Tx+, Tx-, Rx+, Rx-, GND
RS-485 Data+, Data-, GND
Protection 15 KV ESD for all signals
Software Features
Operation Mode Modbus RTU master/slave, Modbus ASCII master/slave
Configuration Serial Device Server Configuration Utility
Power Requirements
Power Input 12 to 48 VDC
Power Connector Terminal block
Power Consumption 300 mA (max.)
Environment
Operating Temperature 0 to 60 °C (32 to 140 °F)
Storage Temperature -20 to 80 °C (-4 to 176 °F)
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