MT90220 Octal IMA/UNI PHY Device Features • • • • • • Cost effective, single chip, 8-port ATM IMA and UNI processor Up to 4 IMA groups over 8 T1/E1 links can be implemented Supports MIXED mode; links not assigned to an IMA group can be used in UNI mode Versatile PCM Interface to most popular T1 or E1 framers, reducing development time Supports Symmetrical and Asymmetrical Operation Supports both Common Transmit Clock (CTC) and Independent Transmit Clock (ITC) clocking modes Supports T1 ISDN lines Provides UTOPIA Level 2 MPHY Interface (MT90220 device slaved to ATM device) Complies with ITU G.
804 recommendations for performing cell mapping into T1 and E1 transmission systems Provides ATM fram...

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