Switch Module for CS-6306RThe CS6-S4Q Chassis Switch provides 4 40G QSFP+ ports. The board performs Layer 2 and Layer 3 wire-speed switching and ports trunking, and connects core layer and access layer to enable port and user QoS.CS6-S4Q Interface- 4 40G QSFP+ ports and supports QSFP+ 40G..