The ZBT-ES***4E switch is fully compliant with IEEE **2.3
Ethernet standards。Its standard **-inch size and intelligent
management make it suitable for small, middle and large networks.The ZBT-ES***4E switch provides powerful management functions, includes the system, port, network, Spanning Tree protocol, IEEE **2.1x protocol, VLAN, Trunk, IGMP Snooping, SNMP protocol, priority and security etc.

•Fully compliant with IEEE **2.3 ã€ **2.3u standard
l •*4 *0/**0BaseT/TX RJ**5 ports with auto-MDI/MDIX
l• Supports IEEE **2.3x flow control for full-duplex mode and collision-based backpressure for half-duplex mode
l• supports MAC address and interface binding
l •Non-blocking store-and-forward shared-memory architecture
l •Supports static convergence
l •Supports port-based VLAN and IEEE **2.1Q VLAN
l• Supports cross-VLAN multicast copy
l •Supports IEEE **2.1X Port-Based Network Access Control protocol;
l •Supports static MAC address table management;
l •Supports broadcast message controlï¼›
l •Provides IGMP snooping v1/v2/v3
l •Supports IEEE **2.1D Spanning Tree protocol
l •Supports **2.1P, DSCP/TOS priority and Remarkï¼›
l •Supports MAC address learning and aging with programmable age time
l• Supports SNMP v1/v2/v3
l •Supports command-line interface（CLI）
l •Supports WEB network management
l •Supports Console interface configuration
l• Provides one console port for out-of band management
l •Supports firmware upgrade, configuration backup and restore by