Optical Transmission Devices

The Loop-AM 3440 is an access DCS-MUX that can combine various digital access interfaces into E1 or T1 lines for convenient transport and switching. The Loop-AM 3440 Access DCS-MUX provides access for a variety of interfaces, including Quad E1/T1, 10/100baseT Router, MDSL, G.703, U type, RS232, V.35, E&M, FXS, and FXO. These interfaces are compatible with other Loop products such as the Loop-H 3900 (MDSL) and the Loop-U 3500 (U). Using these products, a DTE interface can be extended over RS232 copper wire pairs. Up to 120 time slots for the MDSL, U, RS232, X.21, V.36 and V.35 interfaces are then multiplexed to fill an E1 or T1 line, with full flexibility of time slot interchange.