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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.
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-What is the warranty for the product?