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1-Port Clear Channel DS3/E3 GPIM Key Features


The 1-Port Clear Channel DS3/E3 Gigabit-Backplane Physical Interface Module (GPIM) provides the following key features:

  • Framed and unframed DS3/E3 modes

  • Line encoding for DS3/E3 modes

  • Support for Frame Relay, PPP, and HDLC serial encapsulation protocols

  • External and internal clocking support

  • Support for DS3/E3 network alarms

  • Support for chassis clusters

  • Support for anti-counterfeit check

  • Loopback (local, remote, and payload) and BERT, PRBS, and QRSS diagnostics support

  • Support for generation and detection of loopback control codes (line-loopback activate and deactivate) and FEAC codes

  • Maximum transmission unit (MTU) size of 4474 bytes (default) and 9192 bytes (maximum)