- Max. 1000Base-X (SFP) 16port or 10/100/1000Base-T 16port or 10GBase-R (XFP) 4port

- Max. 4 Interface module, Hot-Swap

- CS3400-4F : 1GE 4port SFP module (1000Base-X)

- CS3400-4T : 1GE 4port Tx module (1000Base-T)

- CS3400-1X : 10GE 1port module

- 128Gbps Switch Fabric

- 80Gbps (full-duplex) Non-Blocking Switch Fabric

- 59Mpps Throughput, 512MB Main Memory,

- 256MB Flash Memory

- Up to 16K MAC Address Support for Switching

- Up to 4K VLANs Support

- Y.1731 Fault, Management, Performance Management

- IEEE802.1ag Connectivity Fault Management

- Connectivity Check, Link Trace, Loopback

- IEEE 802.1ad Provider Bridge

- G.8032 Ethernet Ring Protection Switching