• Granular Ingress/Egress Bandwidth Control per port, per queue and per ACL Rule. • Port Base VLAN & 4K 802.1Q VLAN Group. • Supports flexible QinQ • Support 1,2 or 4 channel TDM port • Comply with ITU-T G.703 • Support framed / unframed E1 Interface for TDM Payload to/from PSN Interface, NRZ Serial Interface with LOS/AIS detection • Support 4 independent hardware-based adaptive clock recovery, Recovered clock jitter compliant to ITU-T G.823 (E1 Jitter Control)