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)