E1 G.703 to 8channel RS232 converter , 8 channel RS232 over E1 G.703 converter CHARACTERISTIC RS232 rate support 0~115200Kbps self-adapt; Support RS232 interface (TXD, RXD, GND) RS232 support hot-plug, connection to DTE or TCE device; offer 2 kinds of loop-return function, namely E1 self-looping at local e more...