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Quad CT1/E1 GPIM Key Features


The Quad CT1/E1 Gigabit-Backplane Physical Interface Module (GPIM) provides the following common key features for both T1 and E1 modes:

  • Channel service unit/data service unit (CSU/DSU) to eliminate the need for a separate external device

  • 56-Kbps and 64-Kbps operating modes

  • Independent internal and external clocking option

  • Alarm reporting with a 24-hour history maintained

  • Loopback (local and remote) and BERT/PRBS diagnostics

  • Multilink Frame Relay and Multilink PPP support

  • MTU size of 9000 bytes (maximum)