* 16 E1 or T1 line interfaces
* 16 HDLC controllers
* H.110 interface
* 2048 timeslot switch matrix
* 1-2-4 bit subchanneling support
* 32 bit Compact PCI
* Front status LEDs for each line
* Clock synchronisation from internal or external source
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* 4 E1 or T1 line interfaces
* D-phone Interface
* Enhanced MVIP bus interface
* Internal Switch matrix
* 16 Bits ISA Interface
* Clock synchronisation from internal or external source
* Optional high precision on board oscillator
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* STM-1/OC-3 Framer
* Electrical and optical interface
* High performance ATM SAR
* AAL0, AAL3/4, AAL5 support in hardware
* AAL1, AAL2 support in software
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* Up to 1024 HDLC
* Layer 2 support for several protocol (LAPB, LAPD, Frame Relay, SS7, ...)
* Transparent mode for specified framing requirements
* Per-channel protocol mode selection
* Standard Ds0 (64 kb/s), Sub-channelling (N x 8kb/s) or Hyper-channel (N x 64 kb/s) support
* Per-channel DMA buffer management
* H.110 interface and 2048 timeslot switch matrix
* 1-2-4 bit subchannelling support
* cPCI bus interface 32/64-bit, 33/66 MHz, high performance
* 4 optional D-phone devices
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* Up to 128 HDLC channels
* 8 - 2048 Kb/s channel bit rate 
* HDLC or transparent mode
* MVIP & SCSA bus interface
* 33 MHz PCI interface
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