Key Features of the Dual CT1/E1 GPIM
The Dual 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)
