MP9400 multi-band DDN multiplexer with network management is a powerful transmission multiplex access platform developed by Sichuan Maipu Data Communication Co., Ltd.

Routing time slot exchange card
Four E1 interfaces, one Ethernet interface, cross connects data from E1 to DDN node or other MP9400 products.

Frequency-band Modem access card
Four-subscriber 33.6K/56K frequency-band Modem access card??supporting modulations such as V.34, V.32, V.32bis and remotely low-speed access based on standard HCM and X.50 sub-rate multiplexing protocols.

base-band Modem access card
Four-subscriber 128K base-band Modem card??supporting locally low-speed or 64K/128K access based on standard HCM and X.50 sub-rate multiplexing protocols.