DS33Z44 mapper equivalent, quad ethernet mapper.
§ Four 10/100 IEEE 802.3 Ethernet MACs (MII and RMII) Half/Full Duplex with Automatic Flow Control Four 52Mbps Synchronous TDM Serial Ports with independent transmit and .
Transparent LAN Service LAN Extension Ethernet Delivery Over T1/E1/J1, T3/E3, OC-1/EC-1, G.SHDSL, or HDSL2/4
FUNCTIONAL.
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