48-port 10/100/1000Base-T RJ-45 copper with IEEE 802.3at / 802.3af Power over Ethernet Injector function
4 SFP shared combo interfaces, SFP(Mini-GBIC) supports 100/1000X dual mode, shared with Port-45 to Port-48
RJ-45 to RS-232 console interface for basic management and setup
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 48 ports of IEEE 802.3af / 802.3at 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 100 meters
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 schedule
Layer 2 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
Supports VLAN
- IEEE 802.1Q Tagged VLAN- Up to 255 VLANs groups, out of 4094 VLAN IDs- Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)- Private VLAN Edge (PVE)- Protocol-based VLAN- MAC-based VLAN- Voice VLAN- IP Subnet 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
Supports Link Aggregation
- 802.3ad Link Aggregation Control Protocol (LACP)- Cisco ether-channel (Static Trunk)- Maximum 24 trunk groups, up to 8 ports per trunk group- Up to 16Gbps 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
Layer 3 IP Routing Features
Supports maximum 128 static routes and route summarization
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
