- Supports CAUI-10, CAUI-4, 100GAUI-2, 100GAUI-4, and runtime switchable between CAUI-4 and CAUI-10 modes
- 512-bit segmented local bus (LBUS) user interface/AXI4-Stream (AXIS) user interface at ~322 MHz
- 32-bit interface to the serial transceiver for CAUI-10 lanes, 80-bit interface to the serial transceiver for CAUI-4/100GAUI-4 lanes and 160-bit interface to the serial transceiver for 100GAUI-2 lanes
- IEEE 1588-2008 (http://standards.ieee.org/findstds/standard/1588-2008.html) one-step and two-step hardware timestamping at ingress and egress at full 80 bits
- Pause frame processing including priority based flow control per IEEE std 802.3-2012 (https://standards.ieee.org/ieee/802.3/5084)
- Optional fee-based Auto-Negotiation and Link Training feature for CAUI-4 mode
- Optional built-in 802.3bj-2014 Clause 91 RS-FEC block in CAUI-4 and runtime switch CAUI-4 modes
- Receive side OTN interface
- Optional soft TX OTN interface support