E1 to V.35/V.24/X.21 Converter ASIC-based high rate synchronous short range modem Operating at several selectable data rates. E1 to V.35/V.24/X.21 Converter Features: Convenient diagnosis function, test of analog loopback of local terminal and G.703 digital circular of remote terminal There are many director LEDs on the front panel to display work status and alarm signals of the equipment. G.703 ...