Major features
- Line Interface: Supports dual STM-1/STM-4/STM-16 optical interfaces.
- Tributary Interface: Provides access to 16 E1 channels with VC-12 mapping.
- Cross-Connect: Supports VC-4/VC-3/VC-12 cross-connections for flexible service grooming and switching.
- Clock & Timing: Supports external 2048 kHz/2048 kbit/s clock interfaces, synchronization, and timing distribution.