Advantech EKI-1221

3 EKI-1221/1222/1224 User Manual
Chapter 1 Introduction
1.3 Specifications
LAN
 Speed: 10/100 Mbps auto sensing
 No. of Ports: 2
 Port Connector: RJ45 x 2 (with LED)
 Protection: Built-in 1.5 KV magnetic isolation
Serial Interface
 Port Type: RS-232/422/485, software selectable
 No. of Ports:
– EKI-1221: 1
– EKI-1222: 2
– EKI-1224: 4
 Port Connector: DB9 (Male)
 Baud Rate: 50 bps to 921.6 Kbps
 Parity: None, Odd, Even, Space, Mark
 Data Bits: 7, 8
 Stop Bits: 1, 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
Software
 Utility: Advantech Serial Device Server Configuration Utility
 OS Support: Windows 2000/XP/Vista (x86)
 Operation Mode: RTU Master, RTU Slave, ASCII Master, ASCII Slave
General
 LED indicators:
– System: Power1, Power2, System Status
– LAN: Speed, Link/Active
– Serial: Tx, Rx
Power
 Power input: 12 to 48 VDC x 2
 Power connector: Terminal block
 Power Consumption:
– EKI-1221: 2W
– EKI-1222: 2.5W
– EKI-1224: 4W
 Power Line Protection: 1 KV burst (EN61000-4-4), 0.5 KV surge (EN51000-4-5)