4 Port IMA/TC PHY Device
The MT90222/223/224 family of devices provide ATM system designers with a flexible architecture when implementing broadband ATM access over existing trunk interfaces using inverse multiplexing techniques. In addition to the design of ATM UNI specifications for T1/E1 rates, the devices are compliant with the the ATM Forum IMA specifications for controlling IMA groups of up to 16 trunks in a single chip. The MT90222/223/224 can be configured to operate in different modes to facilitate the implementation of the IMA function both at the CPE and Central Office sites. For systems targeting ATM over T1/E1 with IMA and TC operating simultaneously, the devices provide the ideal architecture and capabilities.
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