24-Port 10/100/1000Base-T RJ-45 copper with IEEE 802.3at/802.3af Power over Ethernet Injector function
4 100/1000Base-SX/LX DDM SFP shared interfaces
RS-232 DB9 console interface
Power over Ethernet
Complies with IEEE 802.3at High Power over Ethernet End-Span PSE
Complies with IEEE 802.3af Power over Ethernet End-Span PSE
Up to 24 ports of IEEE 802.3at/802.3af devices powered
Supports PoE power up to 30.8 watts for each PoE port
Auto detects powered device (PD)
Circuit protection prevents power interference between ports
Remote power feeding up to 100m
PoE Management
- Total PoE power budget control- Per port PoE function enable/disable- PoE port power feeding priority- Per PoE port power limit- PD classification detection- PD alive-check- PoE schedule- PD power recycling scheduleLayer2 Features
Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)
High performance of Store-and-Forward architecture and runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth
Storm Control support
- Broadcast/Multicast/Unknown unicast
SupportsVLAN
- IEEE 802.1Q Tagged VLAN- Up to 255 VLANs groups, out of 4094 VLAN IDs- Supports provider bridging (VLAN Q-in-Q, IEEE 802.1ad)- Private VLAN Edge (PVE)- Protocol-based VLAN- MAC-based VLAN- Voice VLAN
Supports Spanning Tree Protocol
- STP, IEEE 802.1D Spanning Tree Protocol- RSTP, IEEE 802.1w Rapid Spanning Tree Protocol- MSTP, IEEE 802.1s Multiple Spanning Tree Protocol, spanning tree by VLAN- BPDU Guard
SupportsLink Aggregation
- 802.3ad Link Aggregation Control Protocol (LACP)- Cisco ether-channel (Static Trunk)- Maximum 10 trunk groups, up to 16 ports per trunk group- Up to 32Gbps bandwidth (Full Duplex Mode)
Provides Port Mirror (many-to-1)
Port Mirroring to monitor the incoming or outgoing traffic on a particular port
Loop protection to avoid broadcast loops
Quality of Service
Ingress Shaper and Egress Rate Limit per port bandwidth control
8 priority queues on all switch ports
Traffic classification
- IEEE 802.1p CoS- TOS / DSCP / IP Precedence of IPv4/IPv6 packets- IP TCP/UDP port number- Typical network application
Strict priority and Weighted Round Robin (WRR) CoS policies
Supports QoS and In/Out bandwidth control on each port
